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| <li>Summary: </li> |
| <li>Nested | </li> |
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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../../module-summary.html">org.apache.jena.arq</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.jena.sparql.expr</a></div> |
| <h1 title="Class ExprNode" class="title">Class ExprNode</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.jena.sparql.expr.ExprNode</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="ExprAggregator.html" title="class in org.apache.jena.sparql.expr">ExprAggregator</a></code>, <code><a href="ExprFunction.html" title="class in org.apache.jena.sparql.expr">ExprFunction</a></code>, <code><a href="ExprNone.html" title="class in org.apache.jena.sparql.expr">ExprNone</a></code>, <code><a href="ExprTripleTerm.html" title="class in org.apache.jena.sparql.expr">ExprTripleTerm</a></code>, <code><a href="ExprVar.html" title="class in org.apache.jena.sparql.expr">ExprVar</a></code>, <code><a href="NodeValue.html" title="class in org.apache.jena.sparql.expr">NodeValue</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">ExprNode</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> |
| implements <a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></span></div> |
| <div class="block">A node that is a constraint expression that can be evaluated |
| An <a href="Expr.html" title="interface in org.apache.jena.sparql.expr"><code>Expr</code></a> is already a Constraint - ExprNode is the base implementation |
| of all <a href="Expr.html" title="interface in org.apache.jena.sparql.expr"><code>Expr</code></a> classes that provides the Constraint machinery.</div> |
| </section> |
| <section class="summary"> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.jena.sparql.expr.Expr">Fields inherited from interface org.apache.jena.sparql.expr.<a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></h3> |
| <code><a href="Expr.html#CMP_EQUAL">CMP_EQUAL</a>, <a href="Expr.html#CMP_GREATER">CMP_GREATER</a>, <a href="Expr.html#CMP_INDETERMINATE">CMP_INDETERMINATE</a>, <a href="Expr.html#CMP_LESS">CMP_LESS</a>, <a href="Expr.html#CMP_UNEQUAL">CMP_UNEQUAL</a>, <a href="Expr.html#NONE">NONE</a></code></div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">ExprNode</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract <a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#applyNodeTransform(org.apache.jena.sparql.graph.NodeTransform)" class="member-name-link">applyNodeTransform</a><wbr>(<a href="../graph/NodeTransform.html" title="interface in org.apache.jena.sparql.graph">NodeTransform</a> transform)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Rewrite, applying a node->node transformation</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../core/Var.html" title="class in org.apache.jena.sparql.core">Var</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#asVar()" class="member-name-link">asVar</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Convert to a Var variable.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract <a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#copySubstitute(org.apache.jena.sparql.engine.binding.Binding)" class="member-name-link">copySubstitute</a><wbr>(<a href="../engine/binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a> binding)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Deep copy with substitution</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deepCopy()" class="member-name-link">deepCopy</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Deep copy</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#equals(java.lang.Object)" class="member-name-link">equals</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> other)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#equals(org.apache.jena.sparql.expr.Expr,boolean)" class="member-name-link">equals</a><wbr>(<a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a> other, |
| boolean bySyntax)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">General equality operation - consider this to be 'protected'</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#equalsBySyntax(org.apache.jena.sparql.expr.Expr)" class="member-name-link">equalsBySyntax</a><wbr>(<a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a> other)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract <a href="NodeValue.html" title="class in org.apache.jena.sparql.expr">NodeValue</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#eval(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)" class="member-name-link">eval</a><wbr>(<a href="../engine/binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a> binding, |
| <a href="../function/FunctionEnv.html" title="interface in org.apache.jena.sparql.function">FunctionEnv</a> env)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Evaluate this expression against the binding</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="NodeValue.html" title="class in org.apache.jena.sparql.expr">NodeValue</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getConstant()" class="member-name-link">getConstant</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">NodeValue constant (returns null if not a constant)</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getExpr()" class="member-name-link">getExpr</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="ExprVar.html" title="class in org.apache.jena.sparql.expr">ExprVar</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getExprVar()" class="member-name-link">getExprVar</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Variable (or null)</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="ExprFunction.html" title="class in org.apache.jena.sparql.expr">ExprFunction</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFunction()" class="member-name-link">getFunction</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Get the function (returns null if not a function)</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../algebra/Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getGraphPattern()" class="member-name-link">getGraphPattern</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVarName()" class="member-name-link">getVarName</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Variable name (returns null if not a variable)</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a><<a href="../core/Var.html" title="class in org.apache.jena.sparql.core">Var</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVarsMentioned()" class="member-name-link">getVarsMentioned</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Variables used by this expression.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#hashCode()" class="member-name-link">hashCode</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block"><code>Expr</code> are used in both syntax and algebra.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isConstant()" class="member-name-link">isConstant</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Answer whether this is a constant expression - false includes "don't know" |
| No constant folding so "false" from an expression that evaluates to a constant</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isExpr()" class="member-name-link">isExpr</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isFunction()" class="member-name-link">isFunction</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Answer whether this is a function.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isGraphPattern()" class="member-name-link">isGraphPattern</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isSatisfied(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)" class="member-name-link">isSatisfied</a><wbr>(<a href="../engine/binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a> binding, |
| <a href="../function/FunctionEnv.html" title="interface in org.apache.jena.sparql.function">FunctionEnv</a> funcEnv)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Test whether a Constraint is satisfied, given a set of bindings |
| Includes error propagation and Effective Boolean Value rules.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isVariable()" class="member-name-link">isVariable</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Answer whether this is a variable.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.jena.sparql.expr.Expr">Methods inherited from interface org.apache.jena.sparql.expr.<a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></h3> |
| <code><a href="Expr.html#visit(org.apache.jena.sparql.expr.ExprVisitor)">visit</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>ExprNode</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">ExprNode</span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="isSatisfied(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)"> |
| <h3>isSatisfied</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isSatisfied</span><wbr><span class="parameters">(<a href="../engine/binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a> binding, |
| <a href="../function/FunctionEnv.html" title="interface in org.apache.jena.sparql.function">FunctionEnv</a> funcEnv)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#isSatisfied(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)">Expr</a></code></span></div> |
| <div class="block">Test whether a Constraint is satisfied, given a set of bindings |
| Includes error propagation and Effective Boolean Value rules.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#isSatisfied(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)">isSatisfied</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>binding</code> - The bindings</dd> |
| <dd><code>funcEnv</code> - FunctionEnv</dd> |
| <dt>Returns:</dt> |
| <dd>true or false</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isExpr()"> |
| <h3>isExpr</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isExpr</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getExpr()"> |
| <h3>getExpr</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type"><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></span> <span class="element-name">getExpr</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="eval(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)"> |
| <h3>eval</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type"><a href="NodeValue.html" title="class in org.apache.jena.sparql.expr">NodeValue</a></span> <span class="element-name">eval</span><wbr><span class="parameters">(<a href="../engine/binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a> binding, |
| <a href="../function/FunctionEnv.html" title="interface in org.apache.jena.sparql.function">FunctionEnv</a> env)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#eval(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)">Expr</a></code></span></div> |
| <div class="block">Evaluate this expression against the binding</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#eval(org.apache.jena.sparql.engine.binding.Binding,org.apache.jena.sparql.function.FunctionEnv)">eval</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getVarsMentioned()"> |
| <h3>getVarsMentioned</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a><<a href="../core/Var.html" title="class in org.apache.jena.sparql.core">Var</a>></span> <span class="element-name">getVarsMentioned</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#getVarsMentioned()">Expr</a></code></span></div> |
| <div class="block">Variables used by this expression.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#getVarsMentioned()">getVarsMentioned</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list-long"> |
| <li><a href="ExprVars.html#getVarNamesMentioned(org.apache.jena.sparql.expr.Expr)"><code>ExprVars.getVarNamesMentioned(org.apache.jena.sparql.expr.Expr)</code></a></li> |
| <li><a href="ExprVars.html#getNonOpVarNamesMentioned(org.apache.jena.sparql.expr.Expr)"><code>ExprVars.getNonOpVarNamesMentioned(org.apache.jena.sparql.expr.Expr)</code></a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="hashCode()"> |
| <h3>hashCode</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">int</span> <span class="element-name">hashCode</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#hashCode()">Expr</a></code></span></div> |
| <div class="block"><code>Expr</code> are used in both syntax and algebra. There is no syntax |
| to algebra translation step because the parser uses operator precedence |
| to build the right evaluation structure directly. |
| <p> |
| The exceptions to this are the <code>NOT EXISTS</code> and |
| <code>EXISTS</code> expressions which involve a query pattern. As a |
| result there are different ways in syntax to produce the same algebra |
| form. |
| <p> |
| Two <code>Expr</code> are considered equal if they are equal as algebra |
| expressions. <code>hashCode</code> and <code>equals</code> must implement |
| that. |
| <p> |
| There is also <code>equalsBySyntax</code>. Because two different syntax |
| forms can yield the same algebra, but two different algebra forms |
| must be different syntax, <code>equalsBySyntax</code> implies <code>equals</code> |
| (by algebra). |
| <p> |
| Hence, different <code>hashCode</code> => not <code>equalsBySyntax</code>.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#hashCode()">hashCode</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="equals(java.lang.Object)"> |
| <h3>equals</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type">boolean</span> <span class="element-name">equals</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> other)</span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#equals(java.lang.Object)">equals</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="equalsBySyntax(org.apache.jena.sparql.expr.Expr)"> |
| <h3>equalsBySyntax</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type">boolean</span> <span class="element-name">equalsBySyntax</span><wbr><span class="parameters">(<a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a> other)</span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#equalsBySyntax(org.apache.jena.sparql.expr.Expr)">equalsBySyntax</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="equals(org.apache.jena.sparql.expr.Expr,boolean)"> |
| <h3>equals</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">boolean</span> <span class="element-name">equals</span><wbr><span class="parameters">(<a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a> other, |
| boolean bySyntax)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#equals(org.apache.jena.sparql.expr.Expr,boolean)">Expr</a></code></span></div> |
| <div class="block">General equality operation - consider this to be 'protected'</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#equals(org.apache.jena.sparql.expr.Expr,boolean)">equals</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deepCopy()"> |
| <h3>deepCopy</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type"><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></span> <span class="element-name">deepCopy</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#deepCopy()">Expr</a></code></span></div> |
| <div class="block">Deep copy</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#deepCopy()">deepCopy</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="copySubstitute(org.apache.jena.sparql.engine.binding.Binding)"> |
| <h3>copySubstitute</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type"><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></span> <span class="element-name">copySubstitute</span><wbr><span class="parameters">(<a href="../engine/binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a> binding)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#copySubstitute(org.apache.jena.sparql.engine.binding.Binding)">Expr</a></code></span></div> |
| <div class="block">Deep copy with substitution</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#copySubstitute(org.apache.jena.sparql.engine.binding.Binding)">copySubstitute</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="applyNodeTransform(org.apache.jena.sparql.graph.NodeTransform)"> |
| <h3>applyNodeTransform</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type"><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></span> <span class="element-name">applyNodeTransform</span><wbr><span class="parameters">(<a href="../graph/NodeTransform.html" title="interface in org.apache.jena.sparql.graph">NodeTransform</a> transform)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#applyNodeTransform(org.apache.jena.sparql.graph.NodeTransform)">Expr</a></code></span></div> |
| <div class="block">Rewrite, applying a node->node transformation</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#applyNodeTransform(org.apache.jena.sparql.graph.NodeTransform)">applyNodeTransform</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isVariable()"> |
| <h3>isVariable</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isVariable</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#isVariable()">Expr</a></code></span></div> |
| <div class="block">Answer whether this is a variable.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#isVariable()">isVariable</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getVarName()"> |
| <h3>getVarName</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">getVarName</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#getVarName()">Expr</a></code></span></div> |
| <div class="block">Variable name (returns null if not a variable)</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#getVarName()">getVarName</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getExprVar()"> |
| <h3>getExprVar</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="ExprVar.html" title="class in org.apache.jena.sparql.expr">ExprVar</a></span> <span class="element-name">getExprVar</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#getExprVar()">Expr</a></code></span></div> |
| <div class="block">Variable (or null)</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#getExprVar()">getExprVar</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="asVar()"> |
| <h3>asVar</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../core/Var.html" title="class in org.apache.jena.sparql.core">Var</a></span> <span class="element-name">asVar</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#asVar()">Expr</a></code></span></div> |
| <div class="block">Convert to a Var variable.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#asVar()">asVar</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isConstant()"> |
| <h3>isConstant</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isConstant</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#isConstant()">Expr</a></code></span></div> |
| <div class="block">Answer whether this is a constant expression - false includes "don't know" |
| No constant folding so "false" from an expression that evaluates to a constant</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#isConstant()">isConstant</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getConstant()"> |
| <h3>getConstant</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="NodeValue.html" title="class in org.apache.jena.sparql.expr">NodeValue</a></span> <span class="element-name">getConstant</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#getConstant()">Expr</a></code></span></div> |
| <div class="block">NodeValue constant (returns null if not a constant)</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#getConstant()">getConstant</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isFunction()"> |
| <h3>isFunction</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isFunction</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#isFunction()">Expr</a></code></span></div> |
| <div class="block">Answer whether this is a function.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#isFunction()">isFunction</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFunction()"> |
| <h3>getFunction</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="ExprFunction.html" title="class in org.apache.jena.sparql.expr">ExprFunction</a></span> <span class="element-name">getFunction</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="Expr.html#getFunction()">Expr</a></code></span></div> |
| <div class="block">Get the function (returns null if not a function)</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="Expr.html#getFunction()">getFunction</a></code> in interface <code><a href="Expr.html" title="interface in org.apache.jena.sparql.expr">Expr</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isGraphPattern()"> |
| <h3>isGraphPattern</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isGraphPattern</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getGraphPattern()"> |
| <h3>getGraphPattern</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../algebra/Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span> <span class="element-name">getGraphPattern</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="toString()"> |
| <h3>toString</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">toString</span>()</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
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