Java Doc for ASTReference.java in  » Library » Apache-commons-jexl-1.1-src » org » apache » commons » jexl » parser » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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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       org.apache.commons.jexl.parser.ASTReference ASTReference public class ASTReference extends SimpleNode (Code) reference - any variable expression. author:    Geir Magnusson Jr. version:    $Id: ASTReference.java 398272 2006-04-30 03:14:01Z dion $ Field Summary protected  SimpleNode root      first variable in the expression. Constructor Summary public   ASTReference(int id)      Create the node given an id. public   ASTReference(Parser p, int id)      Create a node with the given parser and id. Method Summary public  Object execute(Object obj, JexlContext jc)      evaluate each piece of the reference. e.g. public  String getRootString()      Gets the variable name of ASTReference.root root . public  Object jjtAccept(ParserVisitor visitor, Object data)      public  void jjtClose()      Store the first child as ASTReference.root root . public  Object value(JexlContext jc)      Field Detail root protected SimpleNode root(Code) first variable in the expression. Constructor Detail ASTReference public ASTReference(int id)(Code) Create the node given an id. Parameters:   id - node id. ASTReference public ASTReference(Parser p, int id)(Code) Create a node with the given parser and id. Parameters:   p - a parser. Parameters:   id - node id. Method Detail execute public Object execute(Object obj, JexlContext jc) throws Exception(Code) evaluate each piece of the reference. e.g. foo.bar.woogie[2].name, foo is our 'root', and we need to evaluate 'bar.woogie[2].name' relative to foo. Parameters:   jc - the JexlContext to evaluate against. Parameters:   obj - not used. root.value(jc) is used instead. the value of the array expression. throws:   Exception - on any error getRootString public String getRootString() throws Exception(Code) Gets the variable name of ASTReference.root root . the identifier. throws:   Exception - on any error See Also:   ASTIdentifier.getIdentifierString See Also:   ASTArrayAccess.getIdentifierString jjtAccept public Object jjtAccept(ParserVisitor visitor, Object data)(Code) jjtClose public void jjtClose()(Code) Store the first child as ASTReference.root root . value public Object value(JexlContext jc) throws Exception(Code) Fields inherited from org.apache.commons.jexl.parser.SimpleNode protected Node[] children(Code)(Java Doc) protected int id(Code)(Java Doc) protected Node parent(Code)(Java Doc) protected Parser parser(Code)(Java Doc) Methods inherited from org.apache.commons.jexl.parser.SimpleNode public Object childrenAccept(ParserVisitor visitor, Object data)(Code)(Java Doc) public void dump(String prefix)(Code)(Java Doc) public Object execute(Object o, JexlContext ctx) throws Exception(Code)(Java Doc) public boolean interpret(JexlContext pc) throws Exception(Code)(Java Doc) public Object jjtAccept(ParserVisitor visitor, Object data)(Code)(Java Doc) public void jjtAddChild(Node n, int i)(Code)(Java Doc) public void jjtClose()(Code)(Java Doc) public Node jjtGetChild(int i)(Code)(Java Doc) public int jjtGetNumChildren()(Code)(Java Doc) public Node jjtGetParent()(Code)(Java Doc) public void jjtOpen()(Code)(Java Doc) public void jjtSetParent(Node n)(Code)(Java Doc) public Object setValue(JexlContext context, Object value) throws Exception(Code)(Java Doc) public String toString()(Code)(Java Doc) public String toString(String prefix)(Code)(Java Doc) public Object value(JexlContext context) throws Exception(Code)(Java Doc) 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)