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Java Source Code / Java Documentation » Library » Apache commons jexl 1.1 src » org.apache.commons.jexl.parser   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.jexl.parser.SimpleNode All known Subclasses:   org.apache.commons.jexl.parser.ASTAssignment,  org.apache.commons.jexl.parser.ASTArrayAccess,  org.apache.commons.jexl.parser.ASTFloatLiteral,  org.apache.commons.jexl.parser.ASTModNode,  org.apache.commons.jexl.parser.ASTExpression,  org.apache.commons.jexl.parser.ASTOrNode,  org.apache.commons.jexl.parser.ASTStringLiteral,  org.apache.commons.jexl.parser.ASTGENode,  org.apache.commons.jexl.parser.ASTNotNode,  org.apache.commons.jexl.parser.ASTNullLiteral,  org.apache.commons.jexl.parser.ASTDivNode,  org.apache.commons.jexl.parser.ASTBlock,  org.apache.commons.jexl.parser.ASTJexlScript,  org.apache.commons.jexl.parser.ASTStatementExpression,  org.apache.commons.jexl.parser.ASTForeachStatement,  org.apache.commons.jexl.parser.ASTSizeMethod,  org.apache.commons.jexl.parser.ASTIfStatement,  org.apache.commons.jexl.parser.ASTReferenceExpression,  org.apache.commons.jexl.parser.ASTTrueNode,  org.apache.commons.jexl.parser.ASTBitwiseComplNode,  org.apache.commons.jexl.parser.ASTWhileStatement,  org.apache.commons.jexl.parser.ASTMulNode,  org.apache.commons.jexl.parser.ASTSubtractNode,  org.apache.commons.jexl.parser.ASTLENode,  org.apache.commons.jexl.parser.ASTBitwiseXorNode,  org.apache.commons.jexl.parser.ASTFalseNode,  org.apache.commons.jexl.parser.ASTLTNode,  org.apache.commons.jexl.parser.ASTReference,  org.apache.commons.jexl.parser.ASTIdentifier,  org.apache.commons.jexl.parser.ASTEmptyFunction,  org.apache.commons.jexl.parser.ASTIntegerLiteral,  org.apache.commons.jexl.parser.ASTBitwiseAndNode,  org.apache.commons.jexl.parser.ASTAddNode,  org.apache.commons.jexl.parser.ASTSizeFunction,  org.apache.commons.jexl.parser.ASTMethod,  org.apache.commons.jexl.parser.ASTEQNode,  org.apache.commons.jexl.parser.ASTNENode,  org.apache.commons.jexl.parser.ASTGTNode,  org.apache.commons.jexl.parser.ASTBitwiseOrNode,  org.apache.commons.jexl.parser.ASTUnaryMinusNode,  org.apache.commons.jexl.parser.ASTAndNode,  org.apache.commons.jexl.parser.ASTExpressionExpression, SimpleNode public class SimpleNode implements Node(Code) A Useful implementation of Node . Mostly autogenerated by javacc author:    Geir Magnusson Jr. version:    $Id: SimpleNode.java 398328 2006-04-30 12:46:59Z dion $ Field Summary protected  Node[] children      children of this node. protected  int id      id of the node. protected  Node parent      parent node. protected  Parser parser      parser that created the node. Constructor Summary public   SimpleNode(int i)      Create the node given an id. public   SimpleNode(Parser p, int i)      Create a node with the given parser and id. Method Summary public  Object childrenAccept(ParserVisitor visitor, Object data)      Visit all children. Parameters:   visitor - a ParserVisitor. Parameters:   data - data to be passed along to the visitor. public  void dump(String prefix)      Dump the node and all children. public  Object execute(Object o, JexlContext ctx)      Used to let a node calcuate it's value.. Parameters:   o - the object to calculate with. Parameters:   ctx - the context to retrieve values from. throws:   Exception - when calculating the value fails. public  boolean interpret(JexlContext pc)      basic interpret - just invoke interpret on all children. Parameters:   pc - the JexlContext context to interpret against. public  Object jjtAccept(ParserVisitor visitor, Object data)      Accept the visitor. Parameters:   visitor - a ParserVisitor. Parameters:   data - data to be passed along to the visitor. public  void jjtAddChild(Node n, int i)      public  void jjtClose()      End of the node. public  Node jjtGetChild(int i)      public  int jjtGetNumChildren()      public  Node jjtGetParent()      public  void jjtOpen()      Start of the node. public  void jjtSetParent(Node n)      public  Object setValue(JexlContext context, Object value)      Sets the value for the node - again, only makes sense for some nodes but lazyness tempts me to put it here. public  String toString()      Gets a string representation of the node. public  String toString(String prefix)      Used during dumping to output the node with a prefix. public  Object value(JexlContext context)      Gets the value of this node. Parameters:   context - the context to retrieve values from. Field Detail children protected Node[] children(Code) children of this node. id protected int id(Code) id of the node. parent protected Node parent(Code) parent node. parser protected Parser parser(Code) parser that created the node. Constructor Detail SimpleNode public SimpleNode(int i)(Code) Create the node given an id. Parameters:   i - node id. SimpleNode public SimpleNode(Parser p, int i)(Code) Create a node with the given parser and id. Parameters:   p - a parser. Parameters:   i - node id. Method Detail childrenAccept public Object childrenAccept(ParserVisitor visitor, Object data)(Code) Visit all children. Parameters:   visitor - a ParserVisitor. Parameters:   data - data to be passed along to the visitor. the value from visiting. See Also:   ParserVisitor.visit dump public void dump(String prefix)(Code) Dump the node and all children. Parameters:   prefix - text to prefix the node output. execute public Object execute(Object o, JexlContext ctx) throws Exception(Code) Used to let a node calcuate it's value.. Parameters:   o - the object to calculate with. Parameters:   ctx - the context to retrieve values from. throws:   Exception - when calculating the value fails. the result of the calculation. interpret public boolean interpret(JexlContext pc) throws Exception(Code) basic interpret - just invoke interpret on all children. Parameters:   pc - the JexlContext context to interpret against. true if interpretation worked. throws:   Exception - on any error. jjtAccept public Object jjtAccept(ParserVisitor visitor, Object data)(Code) Accept the visitor. Parameters:   visitor - a ParserVisitor. Parameters:   data - data to be passed along to the visitor. the value from visiting. See Also:   ParserVisitor.visit jjtAddChild public void jjtAddChild(Node n, int i)(Code) jjtClose public void jjtClose()(Code) End of the node. jjtGetChild public Node jjtGetChild(int i)(Code) jjtGetNumChildren public int jjtGetNumChildren()(Code) jjtGetParent public Node jjtGetParent()(Code) jjtOpen public void jjtOpen()(Code) Start of the node. jjtSetParent public void jjtSetParent(Node n)(Code) setValue public Object setValue(JexlContext context, Object value) throws Exception(Code) Sets the value for the node - again, only makes sense for some nodes but lazyness tempts me to put it here. Keeps things simple. Parameters:   context - the context to retrieve values from. Parameters:   value - the value. the result. throws:   Exception - when evaluating the operands fails. toString public String toString()(Code) Gets a string representation of the node. the node name. toString public String toString(String prefix)(Code) Used during dumping to output the node with a prefix. Parameters:   prefix - text to prefix SimpleNode.toString() text. value public Object value(JexlContext context) throws Exception(Code) Gets the value of this node. Parameters:   context - the context to retrieve values from. the value of the node. throws:   Exception - when evaluating the operands fails. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)