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 <div class="subTitle">org.apache.cayenne.exp</div>
 <h2 title="Class Expression" class="title">Class Expression</h2>
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 <ul class="inheritance">
 <li><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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 <li>org.apache.cayenne.exp.Expression</li>
 </ul>
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 </ul>
 <div class="description">
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 <dl>
 <dt>All Implemented Interfaces:</dt>
 <dd><a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../org/apache/cayenne/util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></dd>
 </dl>
 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><a href="../../../../org/apache/cayenne/exp/parser/SimpleNode.html" title="class in org.apache.cayenne.exp.parser">SimpleNode</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public abstract class <span class="typeNameLabel">Expression</span>
 extends <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
 implements <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../org/apache/cayenne/util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></pre>
 <div class="block">Superclass of Cayenne expressions that defines basic API for expressions use.</div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../serialized-form.html#org.apache.cayenne.exp.Expression">Serialized Form</a></dd>
 </dl>
 </li>
 </ul>
 </div>
 <div class="summary">
 <ul class="blockList">
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 <!-- =========== FIELD SUMMARY =========== -->
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 <li class="blockList"><a name="field.summary">
 <!--   -->
 </a>
 <h3>Field Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#ADD">ADD</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#AND">AND</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#ASTERISK">ASTERISK</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BETWEEN">BETWEEN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BITWISE_AND">BITWISE_AND</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BITWISE_LEFT_SHIFT">BITWISE_LEFT_SHIFT</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BITWISE_NOT">BITWISE_NOT</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BITWISE_OR">BITWISE_OR</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BITWISE_RIGHT_SHIFT">BITWISE_RIGHT_SHIFT</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#BITWISE_XOR">BITWISE_XOR</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#DB_PATH">DB_PATH</a></span></code>
 <div class="block">Expression describes a path relative to a DbEntity.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#DIVIDE">DIVIDE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#EQUAL_TO">EQUAL_TO</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#FALSE">FALSE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#FULL_OBJECT">FULL_OBJECT</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#FUNCTION_CALL">FUNCTION_CALL</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#GREATER_THAN">GREATER_THAN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#GREATER_THAN_EQUAL_TO">GREATER_THAN_EQUAL_TO</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#IN">IN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#LESS_THAN">LESS_THAN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#LESS_THAN_EQUAL_TO">LESS_THAN_EQUAL_TO</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#LIKE">LIKE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#LIKE_IGNORE_CASE">LIKE_IGNORE_CASE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#LIST">LIST</a></span></code>
 <div class="block">Interpreted as a comma-separated list of literals.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#MULTIPLY">MULTIPLY</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NEGATIVE">NEGATIVE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NOT">NOT</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NOT_BETWEEN">NOT_BETWEEN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NOT_EQUAL_TO">NOT_EQUAL_TO</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NOT_IN">NOT_IN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NOT_LIKE">NOT_LIKE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#NOT_LIKE_IGNORE_CASE">NOT_LIKE_IGNORE_CASE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#OBJ_PATH">OBJ_PATH</a></span></code>
 <div class="block">Expression describes a path relative to an ObjEntity.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#OR">OR</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#PRUNED_NODE">PRUNED_NODE</a></span></code>
 <div class="block">A value that a Transformer might return to indicate that a node has to be
  pruned from the expression during the transformation.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#SUBTRACT">SUBTRACT</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#TRUE">TRUE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#type">type</a></span></code>&nbsp;</td>
 </tr>
 </table>
 </li>
 </ul>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
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 <!--   -->
 </a>
 <h3>Constructor Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#Expression--">Expression</a></span>()</code>&nbsp;</td>
 </tr>
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 <!-- ========== METHOD SUMMARY =========== -->
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 <!--   -->
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 <h3>Method Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tr id="i0" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#andExp-org.apache.cayenne.exp.Expression-">andExp</a></span>(<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp)</code>
 <div class="block">Chains this expression with another expression using "and".</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#andExp-org.apache.cayenne.exp.Expression-org.apache.cayenne.exp.Expression...-">andExp</a></span>(<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp,
       <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>...&nbsp;expressions)</code>
 <div class="block">Chains this expression with other expressions using "and".</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsEJBQL-java.lang.Appendable-java.lang.String-">appendAsEJBQL</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;out,
              <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</code>
 <div class="block">Stores a String representation of Expression as EJBQL using a provided
  Appendable.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsEJBQL-java.util.List-java.lang.Appendable-java.lang.String-">appendAsEJBQL</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;parameterAccumulator,
              <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;out,
              <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</code>
 <div class="block">Stores a String representation of Expression as EJBQL using a provided
  PrintWriter.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsString-java.lang.Appendable-">appendAsString</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;out)</code>
 <div class="block">Appends own content as a String to the provided Appendable.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#deepCopy--">deepCopy</a></span>()</code>
 <div class="block">Clones this expression.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#encodeAsEJBQL-java.io.PrintWriter-java.lang.String-">encodeAsEJBQL</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a>&nbsp;pw,
              <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsEJBQL-java.lang.Appendable-java.lang.String-"><code>appendAsEJBQL(Appendable, String)</code></a></span></div>
 </div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#encodeAsString-java.io.PrintWriter-">encodeAsString</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a>&nbsp;pw)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsString-java.lang.Appendable-"><code>appendAsString(Appendable)</code></a>.</span></div>
 </div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#encodeAsXML-org.apache.cayenne.util.XMLEncoder-">encodeAsXML</a></span>(<a href="../../../../org/apache/cayenne/util/XMLEncoder.html" title="class in org.apache.cayenne.util">XMLEncoder</a>&nbsp;encoder)</code>
 <div class="block">Encodes itself, wrapping the string into XML CDATA section.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;object)</code>&nbsp;</td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>abstract <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#evaluate-java.lang.Object-">evaluate</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</code>
 <div class="block">Calculates expression value with object as a context for path
  expressions.</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#expName--">expName</a></span>()</code>
 <div class="block">Returns String label for this expression.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#expWithParameters-java.util.Map-">expWithParameters</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,?&gt;&nbsp;parameters)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#params-java.util.Map-"><code>params(Map)</code></a></span></div>
 </div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#expWithParameters-java.util.Map-boolean-">expWithParameters</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,?&gt;&nbsp;parameters,
                  boolean&nbsp;pruneMissing)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#params-java.util.Map-boolean-"><code>params(Map, boolean)</code></a> instead.</span></div>
 </div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#filter-java.util.Collection-java.util.Collection-">filter</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;T&gt;&nbsp;source,
       <a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;T&gt;&nbsp;target)</code>
 <div class="block">Adds objects matching this expression from the source collection to the
  target collection.</div>
 </td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#filterObjects-java.util.Collection-">filterObjects</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;T&gt;&nbsp;objects)</code>
 <div class="block">Returns a list of objects that match the expression.</div>
 </td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code>&lt;T&gt;&nbsp;T</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#first-java.util.List-">first</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;&nbsp;objects)</code>
 <div class="block">Returns the first object in the list that matches the expression.</div>
 </td>
 </tr>
 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>protected abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#flattenTree--">flattenTree</a></span>()</code>
 <div class="block">Restructures expression to make sure that there are no children of the
  same type as this expression.</div>
 </td>
 </tr>
 <tr id="i18" class="altColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#fromString-java.lang.String-">fromString</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;expressionString)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">since 4.0 use
              <a href="../../../../org/apache/cayenne/exp/ExpressionFactory.html#exp-java.lang.String-java.lang.Object...-"><code>ExpressionFactory.exp(String, Object...)</code></a></span></div>
 </div>
 </td>
 </tr>
 <tr id="i19" class="rowColor">
 <td class="colFirst"><code>abstract <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#getOperand-int-">getOperand</a></span>(int&nbsp;index)</code>
 <div class="block">Returns a value of operand at <code>index</code>.</div>
 </td>
 </tr>
 <tr id="i20" class="altColor">
 <td class="colFirst"><code>abstract int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#getOperandCount--">getOperandCount</a></span>()</code>
 <div class="block">Returns a count of operands of this expression.</div>
 </td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>abstract <a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#getPathAliases--">getPathAliases</a></span>()</code>
 <div class="block">Returns a map of path aliases for this expression.</div>
 </td>
 </tr>
 <tr id="i22" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#getType--">getType</a></span>()</code>
 <div class="block">Returns a type of expression.</div>
 </td>
 </tr>
 <tr id="i23" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i24" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#joinExp-int-org.apache.cayenne.exp.Expression-">joinExp</a></span>(int&nbsp;type,
        <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp)</code>
 <div class="block">Creates a new expression that joins this object with another expression,
  using specified join type.</div>
 </td>
 </tr>
 <tr id="i25" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#joinExp-int-org.apache.cayenne.exp.Expression-org.apache.cayenne.exp.Expression...-">joinExp</a></span>(int&nbsp;type,
        <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp,
        <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>...&nbsp;expressions)</code>
 <div class="block">Creates a new expression that joins this object with other expressions,
  using specified join type.</div>
 </td>
 </tr>
 <tr id="i26" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#match-java.lang.Object-">match</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</code>
 <div class="block">Calculates expression boolean value with object as a context for path
  expressions.</div>
 </td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code>abstract <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#notExp--">notExp</a></span>()</code>
 <div class="block">Returns a logical NOT of current expression.</div>
 </td>
 </tr>
 <tr id="i28" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#orExp-org.apache.cayenne.exp.Expression-">orExp</a></span>(<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp)</code>
 <div class="block">Chains this expression with another expression using "or".</div>
 </td>
 </tr>
 <tr id="i29" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#orExp-org.apache.cayenne.exp.Expression-org.apache.cayenne.exp.Expression...-">orExp</a></span>(<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp,
      <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>...&nbsp;expressions)</code>
 <div class="block">Chains this expression with other expressions using "or".</div>
 </td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#params-java.util.Map-">params</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,?&gt;&nbsp;parameters)</code>
 <div class="block">Creates and returns a new Expression instance based on this expression,
  but with named parameters substituted with provided values.</div>
 </td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#params-java.util.Map-boolean-">params</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,?&gt;&nbsp;parameters,
       boolean&nbsp;pruneMissing)</code>
 <div class="block">Creates and returns a new Expression instance based on this expression,
  but with named parameters substituted with provided values.If any
  subexpressions containing parameters not matching the "name" argument are
  found, the behavior depends on "pruneMissing" argument.</div>
 </td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#paramsArray-java.lang.Object...-">paramsArray</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>...&nbsp;parameters)</code>
 <div class="block">Creates and returns a new Expression instance based on this expression,
  but with parameters substituted with provided values.</div>
 </td>
 </tr>
 <tr id="i33" class="rowColor">
 <td class="colFirst"><code>protected abstract boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#pruneNodeForPrunedChild-java.lang.Object-">pruneNodeForPrunedChild</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;prunedChild)</code>
 <div class="block">Returns true if this node should be pruned from expression tree in the
  event a child is removed.</div>
 </td>
 </tr>
 <tr id="i34" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#setOperand-int-java.lang.Object-">setOperand</a></span>(int&nbsp;index,
           <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)</code>
 <div class="block">Sets a value of operand at <code>index</code>.</div>
 </td>
 </tr>
 <tr id="i35" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#setType-int-">setType</a></span>(int&nbsp;type)</code>&nbsp;</td>
 </tr>
 <tr id="i36" class="altColor">
 <td class="colFirst"><code>abstract <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#shallowCopy--">shallowCopy</a></span>()</code>
 <div class="block">Creates a copy of this expression node, without copying children.</div>
 </td>
 </tr>
 <tr id="i37" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#toEJBQL-java.util.List-java.lang.String-">toEJBQL</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;parameterAccumulator,
        <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</code>
 <div class="block">Produces an EJBQL string that represents this expression.</div>
 </td>
 </tr>
 <tr id="i38" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#toEJBQL-java.lang.String-">toEJBQL</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</code>
 <div class="block">Produces an EJBQL string that represents this expression.</div>
 </td>
 </tr>
 <tr id="i39" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#toString--">toString</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i40" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#transform-org.apache.commons.collections.Transformer-">transform</a></span>(org.apache.commons.collections.Transformer&nbsp;transformer)</code>
 <div class="block">Creates a transformed copy of this expression, applying transformation
  provided by Transformer to all its nodes.</div>
 </td>
 </tr>
 <tr id="i41" class="rowColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#transformExpression-org.apache.commons.collections.Transformer-">transformExpression</a></span>(org.apache.commons.collections.Transformer&nbsp;transformer)</code>
 <div class="block">A recursive method called from "transform" to do the actual
  transformation.</div>
 </td>
 </tr>
 <tr id="i42" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#traverse-org.apache.cayenne.exp.Expression-org.apache.cayenne.exp.TraversalHandler-">traverse</a></span>(<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;parentExp,
         <a href="../../../../org/apache/cayenne/exp/TraversalHandler.html" title="interface in org.apache.cayenne.exp">TraversalHandler</a>&nbsp;visitor)</code>
 <div class="block">Traverses itself and child expressions, notifying visitor via callback
  methods as it goes.</div>
 </td>
 </tr>
 <tr id="i43" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/exp/Expression.html#traverse-org.apache.cayenne.exp.TraversalHandler-">traverse</a></span>(<a href="../../../../org/apache/cayenne/exp/TraversalHandler.html" title="interface in org.apache.cayenne.exp">TraversalHandler</a>&nbsp;visitor)</code>
 <div class="block">Traverses itself and child expressions, notifying visitor via callback
  methods as it goes.</div>
 </td>
 </tr>
 </table>
 <ul class="blockList">
 <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
 <!--   -->
 </a>
 <h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
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 <div class="block">Creates and returns a new Expression instance based on this expression,
  but with parameters substituted with provided values. This is a
  positional style of binding. If a given parameter name is used more than
  once, only the first occurrence is treated as "position", subsequent
  occurrences are bound with the same value as the first one. If expression
  parameters count is different from the array parameter count, an
  exception will be thrown.
  <p>
  positional style would not allow subexpression pruning.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Creates and returns a new Expression instance based on this expression,
  but with named parameters substituted with provided values. Any
  subexpressions containing parameters not matching the "name" argument
  will be pruned.
  <p>
  Note that if you want matching against nulls to be preserved, you must
  place NULL values for the corresponding keys in the map.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Creates and returns a new Expression instance based on this expression,
  but with named parameters substituted with provided values.If any
  subexpressions containing parameters not matching the "name" argument are
  found, the behavior depends on "pruneMissing" argument. If it is false an
  Exception will be thrown, otherwise subexpressions with missing
  parameters will be pruned from the resulting expression.
  <p>
  Note that if you want matching against nulls to be preserved, you must
  place NULL values for the corresponding keys in the map.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 public&nbsp;<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;expWithParameters(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,?&gt;&nbsp;parameters)</pre>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#params-java.util.Map-"><code>params(Map)</code></a></span></div>
 <div class="block">A shortcut for <code>expWithParams(params, true)</code>.</div>
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 public&nbsp;<a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;expWithParameters(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,?&gt;&nbsp;parameters,
                                                 boolean&nbsp;pruneMissing)</pre>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#params-java.util.Map-boolean-"><code>params(Map, boolean)</code></a> instead.</span></div>
 <div class="block">Creates and returns a new Expression instance using this expression as a
  prototype. All ExpressionParam operands are substituted with the values
  in the <code>params</code> map.
  <p>
  <i>Null values in the <code>params</code> map should be explicitly
  created in the map for the corresponding key. </i>
  </p></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>parameters</code> - a map of parameters, with each key being a string name of an
             expression parameter, and value being the value that should be
             used in the final expression.</dd>
 <dd><code>pruneMissing</code> - If <code>true</code>, subexpressions that rely on missing
             parameters will be pruned from the resulting tree. If
             <code>false</code> , any missing values will generate an
             exception.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Expression resulting from the substitution of parameters with
          real values, or null if the whole expression was pruned, due to
          the missing parameters.</dd>
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 <div class="block">Creates a new expression that joins this object with another expression,
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  chained expressions, like long AND or OR statements.</div>
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                           <a href="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</a>&nbsp;exp,
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 <div class="block">Creates a new expression that joins this object with other expressions,
  using specified join type. It is very useful for incrementally building
  chained expressions, like long AND or OR statements.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Chains this expression with another expression using "and".</div>
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 <div class="block">Chains this expression with other expressions using "and".</div>
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 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Chains this expression with another expression using "or".</div>
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 <div class="block">Chains this expression with other expressions using "or".</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>4.0</dd>
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 <div class="block">Returns a logical NOT of current expression.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Returns a count of operands of this expression. In real life there are
  unary (count == 1), binary (count == 2) and ternary (count == 3)
  expressions.</div>
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 <div class="block">Returns a value of operand at <code>index</code>. Operand indexing starts
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 <div class="block">Sets a value of operand at <code>index</code>. Operand indexing starts at
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 <div class="block">Calculates expression value with object as a context for path
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 <dl>
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 <div class="block">Calculates expression boolean value with object as a context for path
  expressions.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Returns the first object in the list that matches the expression.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Returns a list of objects that match the expression.</div>
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 <div class="block">Adds objects matching this expression from the source collection to the
  target collection.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
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 <div class="block">Clones this expression.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">Creates a copy of this expression node, without copying children.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
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 <div class="block">Returns true if this node should be pruned from expression tree in the
  event a child is removed.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <h4>flattenTree</h4>
 <pre>protected abstract&nbsp;void&nbsp;flattenTree()</pre>
 <div class="block">Restructures expression to make sure that there are no children of the
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 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
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 <div class="block">Traverses itself and child expressions, notifying visitor via callback
  methods as it goes. This is an Expression-specific implementation of the
  "Visitor" design pattern.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
 </dl>
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                         <a href="../../../../org/apache/cayenne/exp/TraversalHandler.html" title="interface in org.apache.cayenne.exp">TraversalHandler</a>&nbsp;visitor)</pre>
 <div class="block">Traverses itself and child expressions, notifying visitor via callback
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 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
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 <div class="block">Creates a transformed copy of this expression, applying transformation
  provided by Transformer to all its nodes. Null transformer will result in
  an identical deep copy of this expression.
  <p>
  To force a node and its children to be pruned from the copy, Transformer
  should return Expression.PRUNED_NODE. Otherwise an expectation is that if
  a node is an Expression it must be transformed to null or another
  Expression. Any other object type would result in a ExpressionException.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <div class="block">A recursive method called from "transform" to do the actual
  transformation.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>null, Expression.PRUNED_NODE or transformed expression.</dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.2</dd>
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 <div class="block">Encodes itself, wrapping the string into XML CDATA section.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../org/apache/cayenne/util/XMLSerializable.html#encodeAsXML-org.apache.cayenne.util.XMLEncoder-">encodeAsXML</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/cayenne/util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></code></dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
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 <pre><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
 public abstract&nbsp;void&nbsp;encodeAsString(<a href="https://docs.oracle.com/javase/7/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a>&nbsp;pw)</pre>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsString-java.lang.Appendable-"><code>appendAsString(Appendable)</code></a>.</span></div>
 <div class="block">Stores a String representation of Expression using a provided
  PrintWriter.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
 </dl>
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 <pre>public abstract&nbsp;void&nbsp;appendAsString(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;out)
                              throws <a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Appends own content as a String to the provided Appendable.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>4.0</dd>
 </dl>
 </li>
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 <pre><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
 public abstract&nbsp;void&nbsp;encodeAsEJBQL(<a href="https://docs.oracle.com/javase/7/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a>&nbsp;pw,
                                                <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</pre>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">since 4.0 use <a href="../../../../org/apache/cayenne/exp/Expression.html#appendAsEJBQL-java.lang.Appendable-java.lang.String-"><code>appendAsEJBQL(Appendable, String)</code></a></span></div>
 <div class="block">Stores a String representation of Expression as EJBQL using a provided
  PrintWriter. DB path expressions produce non-standard EJBQL path
  expressions.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>3.0</dd>
 </dl>
 </li>
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 <pre>public&nbsp;void&nbsp;appendAsEJBQL(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;out,
                           <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)
                    throws <a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Stores a String representation of Expression as EJBQL using a provided
  Appendable. DB path expressions produce non-standard EJBQL path
  expressions.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>4.0</dd>
 </dl>
 </li>
 </ul>
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 <pre>public abstract&nbsp;void&nbsp;appendAsEJBQL(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;parameterAccumulator,
                                    <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;out,
                                    <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)
                             throws <a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Stores a String representation of Expression as EJBQL using a provided
  PrintWriter. DB path expressions produce non-standard EJBQL path
  expressions. If the parameterAccumulator is supplied then as the EJBQL is
  output, it may load parameters into this list. In this case, the EJBQL
  output will contain reference to positional parameters. If no
  parameterAccumulator is supplied and a scalar type is encountered for
  which there is no EJBQL literal representation (such as dates) then this
  method will throw a runtime exception to indicate that it was not
  possible to generate a string-only representation of the Expression in
  EJBQL.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>4.0</dd>
 </dl>
 </li>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toEJBQL(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;parameterAccumulator,
                       <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</pre>
 <div class="block">Produces an EJBQL string that represents this expression. If the
  parameterAccumulator is supplied then, where appropriate, parameters to
  the EJBQL may be written into the parameterAccumulator. If this method
  encounters a scalar type which is not able to be represented as an EJBQL
  literal then this method will throw a runtime exception to indicate that
  it was not possible to generate a string-only representation of the
  Expression as EJBQL.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>3.1</dd>
 </dl>
 </li>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toEJBQL(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rootId)</pre>
 <div class="block">Produces an EJBQL string that represents this expression. If this method
  encounters a scalar type which is not able to be represented as an EJBQL
  literal then this method will throw a runtime exception.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>3.0</dd>
 </dl>
 </li>
 </ul>
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