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| <li>Summary: </li> |
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| <h2 title="Class DeterministicCodeOptimizer" class="title">Class DeterministicCodeOptimizer</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">org.apache.calcite.linq4j.tree.Shuttle</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">org.apache.calcite.linq4j.tree.ClassDeclarationFinder</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.linq4j.tree.DeterministicCodeOptimizer</li> |
| </ul> |
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| <pre>public class <span class="typeNameLabel">DeterministicCodeOptimizer</span> |
| extends <a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></pre> |
| <div class="block">Factors out deterministic expressions to final static fields. |
| Instances of this class should not be reused, so new visitor should be |
| created for optimizing a new expression tree.</div> |
| </li> |
| </ul> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected java.util.Map<<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>,​java.lang.Boolean></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#constants">constants</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The map contains known to be effectively-final expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected java.util.Map<<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>,​<a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#dedup">dedup</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The map that de-duplicates expressions, so the same expressions may reuse |
| the same final static fields.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static java.util.Set<java.lang.Class></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DETERMINISTIC_CLASSES">DETERMINISTIC_CLASSES</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#FIELD_PREFIX">FIELD_PREFIX</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected java.util.Map<java.lang.String,​<a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fieldsByName">fieldsByName</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The map of all the added final static fields.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static java.util.regex.Pattern</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NON_ASCII">NON_ASCII</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static java.util.regex.Pattern</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PREFIX_PATTERN">PREFIX_PATTERN</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a id="fields.inherited.from.class.org.apache.calcite.linq4j.tree.ClassDeclarationFinder"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.calcite.linq4j.tree.<a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></h3> |
| <code><a href="ClassDeclarationFinder.html#addedDeclarations">addedDeclarations</a>, <a href="ClassDeclarationFinder.html#parent">parent</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.linq4j.tree.ClassDeclarationFinder)">DeterministicCodeOptimizer</a></span>​(<a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a> parent)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a child optimizer.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#allMethodsDeterministic(java.lang.Class)">allMethodsDeterministic</a></span>​(java.lang.Class klass)</code></th> |
| <td class="colLast"> |
| <div class="block">Checks if all the methods in given class are deterministic (i.e.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createField(org.apache.calcite.linq4j.tree.Expression)">createField</a></span>​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates final static field to hold the given expression.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected <a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findDeclaredExpression(org.apache.calcite.linq4j.tree.Expression)">findDeclaredExpression</a></span>​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds if there exists ready for reuse declaration for given expression.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private <C> java.lang.reflect.Constructor<C></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConstructor(java.lang.Class)">getConstructor</a></span>​(java.lang.Class<C> klass)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected <a href="DeterministicCodeOptimizer.html" title="class in org.apache.calcite.linq4j.tree">DeterministicCodeOptimizer</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#goDeeper()">goDeeper</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Creates child visitor.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasField(java.lang.String)">hasField</a></span>​(java.lang.String name)</code></th> |
| <td class="colLast"> |
| <div class="block">Verifies if the variable name is already in use.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#inventFieldName(org.apache.calcite.linq4j.tree.Expression)">inventFieldName</a></span>​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> |
| <div class="block">Generates field name to store given expression.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isConstant(org.apache.calcite.linq4j.tree.Expression)">isConstant</a></span>​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> |
| <div class="block">Verifies if the expression is effectively constant.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isConstructorDeterministic(org.apache.calcite.linq4j.tree.NewExpression)">isConstructorDeterministic</a></span>​(<a href="NewExpression.html" title="class in org.apache.calcite.linq4j.tree">NewExpression</a> newExpression)</code></th> |
| <td class="colLast"> |
| <div class="block">Checks if new instance creation can be reused.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isMethodDeterministic(java.lang.reflect.Method)">isMethodDeterministic</a></span>​(java.lang.reflect.Method method)</code></th> |
| <td class="colLast"> |
| <div class="block">Checks if given method is deterministic (i.e.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#learnFinalStaticDeclarations(java.util.List)">learnFinalStaticDeclarations</a></span>​(java.util.List<<a href="MemberDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MemberDeclaration</a>> memberDeclarations)</code></th> |
| <td class="colLast"> |
| <div class="block">Processes the list of declarations and learns final static ones as |
| effectively constant.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>protected <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tryOptimizeMethodCall(org.apache.calcite.linq4j.tree.MethodCallExpression)">tryOptimizeMethodCall</a></span>​(<a href="MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a> methodCallExpression)</code></th> |
| <td class="colLast"> |
| <div class="block">Optimized method call, possibly converting it to final static field.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>protected <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tryOptimizeNewInstance(org.apache.calcite.linq4j.tree.NewExpression)">tryOptimizeNewInstance</a></span>​(<a href="NewExpression.html" title="class in org.apache.calcite.linq4j.tree">NewExpression</a> newExpression)</code></th> |
| <td class="colLast"> |
| <div class="block">Optimizes <code>new Type()</code> constructs,</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.BinaryExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)">visit</a></span>​(<a href="BinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">BinaryExpression</a> binaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression0, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression1)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="MemberDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MemberDeclaration</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.FieldDeclaration,org.apache.calcite.linq4j.tree.Expression)">visit</a></span>​(<a href="FieldDeclaration.html" title="class in org.apache.calcite.linq4j.tree">FieldDeclaration</a> fieldDeclaration, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> initializer)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.MemberExpression,org.apache.calcite.linq4j.tree.Expression)">visit</a></span>​(<a href="MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a> memberExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.MethodCallExpression,org.apache.calcite.linq4j.tree.Expression,java.util.List)">visit</a></span>​(<a href="MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a> methodCallExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> targetExpression, |
| java.util.List<<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> expressions)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.TernaryExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)">visit</a></span>​(<a href="TernaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TernaryExpression</a> ternaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression0, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression1, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression2)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.TypeBinaryExpression,org.apache.calcite.linq4j.tree.Expression)">visit</a></span>​(<a href="TypeBinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TypeBinaryExpression</a> typeBinaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visit(org.apache.calcite.linq4j.tree.UnaryExpression,org.apache.calcite.linq4j.tree.Expression)">visit</a></span>​(<a href="UnaryExpression.html" title="class in org.apache.calcite.linq4j.tree">UnaryExpression</a> unaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| <h3>Methods inherited from class org.apache.calcite.linq4j.tree.<a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></h3> |
| <code><a href="ClassDeclarationFinder.html#create()">create</a>, <a href="ClassDeclarationFinder.html#create(java.lang.Class)">create</a>, <a href="ClassDeclarationFinder.html#create(org.apache.calcite.linq4j.function.Function1)">create</a>, <a href="ClassDeclarationFinder.html#isConstant(java.lang.Iterable)">isConstant</a>, <a href="ClassDeclarationFinder.html#optimizeDeclarations(java.util.List)">optimizeDeclarations</a>, <a href="ClassDeclarationFinder.html#preVisit(org.apache.calcite.linq4j.tree.ClassDeclaration)">preVisit</a>, <a href="ClassDeclarationFinder.html#preVisit(org.apache.calcite.linq4j.tree.NewExpression)">preVisit</a>, <a href="ClassDeclarationFinder.html#visit(org.apache.calcite.linq4j.tree.ClassDeclaration,java.util.List)">visit</a>, <a href="ClassDeclarationFinder.html#visit(org.apache.calcite.linq4j.tree.NewExpression,java.util.List,java.util.List)">visit</a></code></li> |
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| <h3>Methods inherited from class org.apache.calcite.linq4j.tree.<a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></h3> |
| <code><a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.BinaryExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.BlockStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.ConditionalStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.ConstructorDeclaration)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.DeclarationStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.FieldDeclaration)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.ForEachStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.ForStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.FunctionExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.GotoStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.IndexExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.MemberExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.MethodCallExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.MethodDeclaration)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.NewArrayExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.TernaryExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.ThrowStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.TryStatement)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.TypeBinaryExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.UnaryExpression)">preVisit</a>, <a href="Shuttle.html#preVisit(org.apache.calcite.linq4j.tree.WhileStatement)">preVisit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.BlockStatement,java.util.List)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ConditionalStatement,java.util.List)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ConstantExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ConstructorDeclaration,org.apache.calcite.linq4j.tree.BlockStatement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.DeclarationStatement,org.apache.calcite.linq4j.tree.Expression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.DefaultExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.DynamicExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ForEachStatement,org.apache.calcite.linq4j.tree.ParameterExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Statement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ForStatement,java.util.List,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Statement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.FunctionExpression,org.apache.calcite.linq4j.tree.BlockStatement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.GotoStatement,org.apache.calcite.linq4j.tree.Expression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.IndexExpression,org.apache.calcite.linq4j.tree.Expression,java.util.List)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.InvocationExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.LabelStatement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.LambdaExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ListInitExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.MemberInitExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.MethodDeclaration,org.apache.calcite.linq4j.tree.BlockStatement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.NewArrayExpression,int,org.apache.calcite.linq4j.tree.Expression,java.util.List)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ParameterExpression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.SwitchStatement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.ThrowStatement,org.apache.calcite.linq4j.tree.Expression)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.TryStatement,org.apache.calcite.linq4j.tree.Statement,java.util.List,org.apache.calcite.linq4j.tree.Statement)">visit</a>, <a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.WhileStatement,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Statement)">visit</a></code></li> |
| </ul> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="constants"> |
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| </a> |
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| <h4>constants</h4> |
| <pre>protected final java.util.Map<<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>,​java.lang.Boolean> constants</pre> |
| <div class="block">The map contains known to be effectively-final expression. |
| The map uses identity equality. |
| Typically the key is <code>ParameterExpression</code>, however there might be |
| non-factored to final field expression that is known to be constant. |
| For instance, cast expression will not be factored to a field, |
| but we still need to track its constant status.</div> |
| </li> |
| </ul> |
| <a id="dedup"> |
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| <h4>dedup</h4> |
| <pre>protected final java.util.Map<<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>,​<a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>> dedup</pre> |
| <div class="block">The map that de-duplicates expressions, so the same expressions may reuse |
| the same final static fields.</div> |
| </li> |
| </ul> |
| <a id="fieldsByName"> |
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| <h4>fieldsByName</h4> |
| <pre>protected final java.util.Map<java.lang.String,​<a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a>> fieldsByName</pre> |
| <div class="block">The map of all the added final static fields. Allows to identify if the |
| name is occupied or not.</div> |
| </li> |
| </ul> |
| <a id="NON_ASCII"> |
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| <h4>NON_ASCII</h4> |
| <pre>private static final java.util.regex.Pattern NON_ASCII</pre> |
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| <h4>FIELD_PREFIX</h4> |
| <pre>private static final java.lang.String FIELD_PREFIX</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.linq4j.tree.DeterministicCodeOptimizer.FIELD_PREFIX">Constant Field Values</a></dd> |
| </dl> |
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| <h4>PREFIX_PATTERN</h4> |
| <pre>private static final java.util.regex.Pattern PREFIX_PATTERN</pre> |
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| <a id="DETERMINISTIC_CLASSES"> |
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| </a> |
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| <li class="blockList"> |
| <h4>DETERMINISTIC_CLASSES</h4> |
| <pre>private static final java.util.Set<java.lang.Class> DETERMINISTIC_CLASSES</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.linq4j.tree.ClassDeclarationFinder)"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>DeterministicCodeOptimizer</h4> |
| <pre>public DeterministicCodeOptimizer​(<a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a> parent)</pre> |
| <div class="block">Creates a child optimizer. |
| Typically a child is created for each class declaration, |
| so each optimizer collects fields for exactly one class.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>parent</code> - parent optimizer</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="tryOptimizeNewInstance(org.apache.calcite.linq4j.tree.NewExpression)"> |
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| </a> |
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| <li class="blockList"> |
| <h4>tryOptimizeNewInstance</h4> |
| <pre class="methodSignature">protected <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> tryOptimizeNewInstance​(<a href="NewExpression.html" title="class in org.apache.calcite.linq4j.tree">NewExpression</a> newExpression)</pre> |
| <div class="block">Optimizes <code>new Type()</code> constructs,</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ClassDeclarationFinder.html#tryOptimizeNewInstance(org.apache.calcite.linq4j.tree.NewExpression)">tryOptimizeNewInstance</a></code> in class <code><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>newExpression</code> - expression to optimize</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>optimized expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.BinaryExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> visit​(<a href="BinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">BinaryExpression</a> binaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression0, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression1)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.BinaryExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.TernaryExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> visit​(<a href="TernaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TernaryExpression</a> ternaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression0, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression1, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression2)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.TernaryExpression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.UnaryExpression,org.apache.calcite.linq4j.tree.Expression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> visit​(<a href="UnaryExpression.html" title="class in org.apache.calcite.linq4j.tree">UnaryExpression</a> unaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.UnaryExpression,org.apache.calcite.linq4j.tree.Expression)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.TypeBinaryExpression,org.apache.calcite.linq4j.tree.Expression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> visit​(<a href="TypeBinaryExpression.html" title="class in org.apache.calcite.linq4j.tree">TypeBinaryExpression</a> typeBinaryExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.TypeBinaryExpression,org.apache.calcite.linq4j.tree.Expression)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="tryOptimizeMethodCall(org.apache.calcite.linq4j.tree.MethodCallExpression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>tryOptimizeMethodCall</h4> |
| <pre class="methodSignature">protected <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> tryOptimizeMethodCall​(<a href="MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a> methodCallExpression)</pre> |
| <div class="block">Optimized method call, possibly converting it to final static field.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>methodCallExpression</code> - method call to optimize</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>optimized expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.MethodCallExpression,org.apache.calcite.linq4j.tree.Expression,java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> visit​(<a href="MethodCallExpression.html" title="class in org.apache.calcite.linq4j.tree">MethodCallExpression</a> methodCallExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> targetExpression, |
| java.util.List<<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> expressions)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.MethodCallExpression,org.apache.calcite.linq4j.tree.Expression,java.util.List)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.MemberExpression,org.apache.calcite.linq4j.tree.Expression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> visit​(<a href="MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a> memberExpression, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.MemberExpression,org.apache.calcite.linq4j.tree.Expression)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="visit(org.apache.calcite.linq4j.tree.FieldDeclaration,org.apache.calcite.linq4j.tree.Expression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre class="methodSignature">public <a href="MemberDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MemberDeclaration</a> visit​(<a href="FieldDeclaration.html" title="class in org.apache.calcite.linq4j.tree">FieldDeclaration</a> fieldDeclaration, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> initializer)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="Shuttle.html#visit(org.apache.calcite.linq4j.tree.FieldDeclaration,org.apache.calcite.linq4j.tree.Expression)">visit</a></code> in class <code><a href="Shuttle.html" title="class in org.apache.calcite.linq4j.tree">Shuttle</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="learnFinalStaticDeclarations(java.util.List)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>learnFinalStaticDeclarations</h4> |
| <pre class="methodSignature">protected void learnFinalStaticDeclarations​(java.util.List<<a href="MemberDeclaration.html" title="class in org.apache.calcite.linq4j.tree">MemberDeclaration</a>> memberDeclarations)</pre> |
| <div class="block">Processes the list of declarations and learns final static ones as |
| effectively constant.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ClassDeclarationFinder.html#learnFinalStaticDeclarations(java.util.List)">learnFinalStaticDeclarations</a></code> in class <code><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>memberDeclarations</code> - list of declarations to search finals from</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="findDeclaredExpression(org.apache.calcite.linq4j.tree.Expression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>findDeclaredExpression</h4> |
| <pre class="methodSignature">protected <a href="ParameterExpression.html" title="class in org.apache.calcite.linq4j.tree">ParameterExpression</a> findDeclaredExpression​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <div class="block">Finds if there exists ready for reuse declaration for given expression.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ClassDeclarationFinder.html#findDeclaredExpression(org.apache.calcite.linq4j.tree.Expression)">findDeclaredExpression</a></code> in class <code><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expression</code> - input expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>parameter of the already existing declaration, or null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="createField(org.apache.calcite.linq4j.tree.Expression)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createField</h4> |
| <pre class="methodSignature">protected <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> createField​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <div class="block">Creates final static field to hold the given expression. |
| The method might reuse existing declarations if appropriate.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expression</code> - expression to store in final field</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>expression for the given input expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="inventFieldName(org.apache.calcite.linq4j.tree.Expression)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>inventFieldName</h4> |
| <pre class="methodSignature">protected java.lang.String inventFieldName​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <div class="block">Generates field name to store given expression. |
| The expression is converted to string and all the non-ascii/numeric |
| characters are replaced with underscores and <code>"_$L4J$C$"</code> suffix is |
| added to avoid conflicts with other variables. |
| When multiple variables are mangled to the same name, |
| counter is used to avoid conflicts.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expression</code> - input expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>unique name to store given expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isConstant(org.apache.calcite.linq4j.tree.Expression)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isConstant</h4> |
| <pre class="methodSignature">protected boolean isConstant​(<a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</pre> |
| <div class="block">Verifies if the expression is effectively constant. |
| It is assumed the expression is simple (e.g. <code>ConstantExpression</code> or |
| <code>ParameterExpression</code>). |
| The method verifies parent chain since the expression might be defined |
| in enclosing class.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ClassDeclarationFinder.html#isConstant(org.apache.calcite.linq4j.tree.Expression)">isConstant</a></code> in class <code><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expression</code> - expression to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true when the expression is known to be constant</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isMethodDeterministic(java.lang.reflect.Method)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isMethodDeterministic</h4> |
| <pre class="methodSignature">protected boolean isMethodDeterministic​(java.lang.reflect.Method method)</pre> |
| <div class="block">Checks if given method is deterministic (i.e. returns the same output |
| given the same inputs).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>method</code> - method to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true when the method is deterministic</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isConstructorDeterministic(org.apache.calcite.linq4j.tree.NewExpression)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isConstructorDeterministic</h4> |
| <pre class="methodSignature">protected boolean isConstructorDeterministic​(<a href="NewExpression.html" title="class in org.apache.calcite.linq4j.tree">NewExpression</a> newExpression)</pre> |
| <div class="block">Checks if new instance creation can be reused. For instance <code>new |
| BigInteger("42")</code> is effectively final and can be reused.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>newExpression</code> - method to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true when the method is deterministic</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getConstructor(java.lang.Class)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getConstructor</h4> |
| <pre class="methodSignature">private <C> java.lang.reflect.Constructor<C> getConstructor​(java.lang.Class<C> klass)</pre> |
| </li> |
| </ul> |
| <a id="allMethodsDeterministic(java.lang.Class)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allMethodsDeterministic</h4> |
| <pre class="methodSignature">protected boolean allMethodsDeterministic​(java.lang.Class klass)</pre> |
| <div class="block">Checks if all the methods in given class are deterministic (i.e. return |
| the same value given the same inputs)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>klass</code> - class to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true when all the methods including constructors are deterministic</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="hasField(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>hasField</h4> |
| <pre class="methodSignature">protected boolean hasField​(java.lang.String name)</pre> |
| <div class="block">Verifies if the variable name is already in use. |
| Only the variables that are explicitly added to <code>fieldsByName</code> are |
| verified. The method verifies parent chain.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ClassDeclarationFinder.html#hasField(java.lang.String)">hasField</a></code> in class <code><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - name of the variable to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the name is used by one of static final fields</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="goDeeper()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>goDeeper</h4> |
| <pre class="methodSignature">protected <a href="DeterministicCodeOptimizer.html" title="class in org.apache.calcite.linq4j.tree">DeterministicCodeOptimizer</a> goDeeper()</pre> |
| <div class="block">Creates child visitor. It is used to traverse nested class declarations.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ClassDeclarationFinder.html#goDeeper()">goDeeper</a></code> in class <code><a href="ClassDeclarationFinder.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclarationFinder</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>new Visitor that is used to optimize class declarations</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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