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<div class="subTitle">org.apache.openjpa.kernel.exps</div>
<h2 title="Class AbstractExpressionBuilder" class="title">Class AbstractExpressionBuilder</h2>
</div>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/6/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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<ul class="inheritance">
<li>org.apache.openjpa.kernel.exps.AbstractExpressionBuilder</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/openjpa/kernel/jpql/JPQLExpressionBuilder.html" title="class in org.apache.openjpa.kernel.jpql">JPQLExpressionBuilder</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="strong">AbstractExpressionBuilder</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Abstract base class to help build expressions. Provides
generic language-independent support for variable resolution,
path traversal, and error messages.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Marc Prud'hommeaux</dd></dl>
</li>
</ul>
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<div class="summary">
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<h3>Field Summary</h3>
<table class="overviewSummary" 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><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#CONTAINS_TYPE_ELEMENT">CONTAINS_TYPE_ELEMENT</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#CONTAINS_TYPE_KEY">CONTAINS_TYPE_KEY</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#CONTAINS_TYPE_VALUE">CONTAINS_TYPE_VALUE</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#EX_FATAL">EX_FATAL</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#EX_UNSUPPORTED">EX_UNSUPPORTED</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#EX_USER">EX_USER</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#factory">factory</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/kernel/exps/Resolver.html" title="interface in org.apache.openjpa.kernel.exps">Resolver</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#resolver">resolver</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Character.html?is-external=true" title="class or interface in java.lang">Character</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#TYPE_CHAR_OBJ">TYPE_CHAR_OBJ</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#TYPE_COLLECTION">TYPE_COLLECTION</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#TYPE_MAP">TYPE_MAP</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#TYPE_NUMBER">TYPE_NUMBER</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#TYPE_OBJECT">TYPE_OBJECT</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;<a href="http://docs.oracle.com/javase/6/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><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#TYPE_STRING">TYPE_STRING</a></strong></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#AbstractExpressionBuilder(org.apache.openjpa.kernel.exps.ExpressionFactory,%20org.apache.openjpa.kernel.exps.Resolver)">AbstractExpressionBuilder</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/exps/ExpressionFactory.html" title="interface in org.apache.openjpa.kernel.exps">ExpressionFactory</a>&nbsp;factory,
<a href="../../../../../org/apache/openjpa/kernel/exps/Resolver.html" title="interface in org.apache.openjpa.kernel.exps">Resolver</a>&nbsp;resolver)</code>
<div class="block">Constructor.</div>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#addAccessPath(org.apache.openjpa.meta.ClassMetaData)">addAccessPath</a></strong>(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</code>
<div class="block">Register the specified metadata as being in the query's access path.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#addSchemaToContext(java.lang.String,%20org.apache.openjpa.meta.ClassMetaData)">addSchemaToContext</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;alias,
<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</code>
<div class="block">Register the schema alias to the current JPQL query context.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#addVariableToContext(java.lang.String,%20org.apache.openjpa.kernel.exps.Value)">addVariableToContext</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;var)</code>
<div class="block">Register the variable associated with the schema alias (id) to
the current JPQL query context.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#assertUnboundVariablesValid()">assertUnboundVariablesValid</a></strong>()</code>
<div class="block">Validate that all unbound variables are of a PC type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#bind(org.apache.openjpa.kernel.exps.Value)">bind</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;var)</code>
<div class="block">Record that the given variable is bound.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#convertTypes(org.apache.openjpa.kernel.exps.Value,%20org.apache.openjpa.kernel.exps.Value)">convertTypes</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val1,
<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2)</code>
<div class="block">Perform conversions to make values compatible.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#convertTypesQuotedNumbers(org.apache.openjpa.kernel.exps.Value,%20org.apache.openjpa.kernel.exps.Value)">convertTypesQuotedNumbers</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val1,
<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2)</code>
<div class="block">Perform conversions to make values compatible.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#createVariable(java.lang.String,%20boolean)">createVariable</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
boolean&nbsp;bind)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected abstract <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#currentQuery()">currentQuery</a></strong>()</code>
<div class="block">Returns the current string being parsed; used for error messages.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getAccessPath()">getAccessPath</a></strong>()</code>
<div class="block">Return the recorded query access path.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected abstract <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getClassLoader()">getClassLoader</a></strong>()</code>
<div class="block">Returns the class loader that should be used for resolving
class names (in addition to the resolver in the query).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected abstract <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getDeclaredVariableType(java.lang.String)">getDeclaredVariableType</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
<div class="block">Returns the type of the named variable if it has been declared.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected abstract <a href="../../../../../org/apache/openjpa/lib/util/Localizer.html" title="class in org.apache.openjpa.lib.util">Localizer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getLocalizer()">getLocalizer</a></strong>()</code>
<div class="block">Used for obtaining the <a href="../../../../../org/apache/openjpa/lib/util/Localizer.html" title="class in org.apache.openjpa.lib.util"><code>Localizer</code></a> to use for translating
error messages.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getMetaData(java.lang.Class,%20boolean)">getMetaData</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;c,
boolean&nbsp;required)</code>
<div class="block">Convenience method to get metadata for the given type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getMetaData(java.lang.Class,%20boolean,%20java.lang.ClassLoader)">getMetaData</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;c,
boolean&nbsp;required,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a>&nbsp;loader)</code>
<div class="block">Convenience method to get metadata for the given type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected abstract <a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getVariable(java.lang.String)">getVariable</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id)</code>
<div class="block">Returns the variable associated with the schema alias (id).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#getVariable(java.lang.String,%20boolean)">getVariable</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
boolean&nbsp;bind)</code>
<div class="block">Returns a value for the given id.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#isBound(org.apache.openjpa.kernel.exps.Value)">isBound</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;var)</code>
<div class="block">Return true if the given variable has been bound.</div>
</td>
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<td class="colFirst"><code>protected abstract boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/kernel/exps/AbstractExpressionBuilder.html#isDeclaredVariable(java.lang.String)">isDeclaredVariable</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id)</code>
<div class="block">Returns whether the specified variable name has been explicitly
declared.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
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<div class="block">Constructor.</div>
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<div class="block">Returns the class loader that should be used for resolving
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<pre>protected&nbsp;boolean&nbsp;isSeenVariable(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id)</pre>
<div class="block">Return whether the given id has been used as a variable.</div>
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;getMetaData(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;c,
boolean&nbsp;required)</pre>
<div class="block">Convenience method to get metadata for the given type.</div>
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;getMetaData(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;c,
boolean&nbsp;required,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a>&nbsp;loader)</pre>
<div class="block">Convenience method to get metadata for the given type.</div>
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;traversePath(<a href="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</a>&nbsp;path,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;field)</pre>
<div class="block">Traverse the given field in the given path.</div>
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;traverseXPath(<a href="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</a>&nbsp;path,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;field)</pre>
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;traversePath(<a href="../../../../../org/apache/openjpa/kernel/exps/Path.html" title="interface in org.apache.openjpa.kernel.exps">Path</a>&nbsp;path,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;field,
boolean&nbsp;pcOnly,
boolean&nbsp;allowNull)</pre>
<div class="block">Traverse the given field in the given path.</div>
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<a name="traverseStaticField(java.lang.Class, java.lang.String)">
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<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;traverseStaticField(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;field)</pre>
<div class="block">Return a constant containing the value of the given static field.</div>
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<pre>protected abstract&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getDeclaredVariableType(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
<div class="block">Returns the type of the named variable if it has been declared.</div>
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<pre>protected&nbsp;void&nbsp;setImplicitTypes(<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val1,
<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;expected)</pre>
<div class="block">Set the implicit types of the given values based on the fact that
they're used together, and based on the operator type.</div>
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<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2,
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<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2)</pre>
<div class="block">Perform conversions to make values compatible.</div>
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<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2)</pre>
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<pre>public static&nbsp;boolean&nbsp;isNumeric(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;type)</pre>
<div class="block">Return true if given class can be used as a number.</div>
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<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;val2,
int&nbsp;op)</pre>
<div class="block">Set the implicit types of the given values based on the fact that
the first is supposed to contain the second.</div>
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<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;expected)</pre>
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<div class="block">Used for obtaining the <a href="../../../../../org/apache/openjpa/lib/util/Localizer.html" title="class in org.apache.openjpa.lib.util"><code>Localizer</code></a> to use for translating
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<div class="block">Returns the current string being parsed; used for error messages.</div>
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<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</pre>
<div class="block">Register the schema alias to the current JPQL query context.</div>
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<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;var)</pre>
<div class="block">Register the variable associated with the schema alias (id) to
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<pre>protected abstract&nbsp;<a href="../../../../../org/apache/openjpa/kernel/exps/Value.html" title="interface in org.apache.openjpa.kernel.exps">Value</a>&nbsp;getVariable(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id)</pre>
<div class="block">Returns the variable associated with the schema alias (id).</div>
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