Node (Commons JEXL 2.0.1 API)
Keywords: org.apache.commons.jexl2.parser.Node interface

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## org.apache.commons.jexl2.parser
Interface Node

All Known Implementing Classes:
  ASTAdditiveNode, ASTAdditiveOperator, ASTAmbiguous, ASTAndNode, ASTArrayAccess, ASTArrayLiteral, ASTAssignment, ASTBitwiseAndNode, ASTBitwiseComplNode, ASTBitwiseOrNode, ASTBitwiseXorNode, ASTBlock, ASTConstructorNode, ASTDivNode, ASTEmptyFunction, ASTEQNode, ASTERNode, ASTFalseNode, ASTFloatLiteral, ASTForeachStatement, ASTFunctionNode, ASTGENode, ASTGTNode, ASTIdentifier, ASTIfStatement, ASTIntegerLiteral, ASTJexlScript, ASTLENode, ASTLTNode, ASTMapEntry, ASTMapLiteral, ASTMethodNode, ASTModNode, ASTMulNode, ASTNENode, ASTNotNode, ASTNRNode, ASTNullLiteral, ASTOrNode, ASTReference, ASTSizeFunction, ASTSizeMethod, ASTStringLiteral, ASTTernaryNode, ASTTrueNode, ASTUnaryMinusNode, ASTWhileStatement, JexlNode, SimpleNode

    public interface Node

Method Summary
`java.lang.Object` | `jjtAccept(ParserVisitor visitor, java.lang.Object data)` Accept the visitor.
`void` | `jjtAddChild(Node n, int i)` This method tells the node to add its argument to the node's list of children.
`void` | `jjtClose()` This method is called after all the child nodes have been added.
`Node` | `jjtGetChild(int i)` This method returns a child node.
`int` | `jjtGetNumChildren()` Return the number of children the node has.
`Node` | `jjtGetParent()`
`void` | `jjtOpen()` This method is called after the node has been made the current node.
`void` | `jjtSetParent(Node n)` This pair of methods are used to inform the node of its parent.

Method Detail

### jjtOpen

    void jjtOpen()

  This method is called after the node has been made the current node. It indicates that child nodes can now be added to it.

### jjtClose

    void jjtClose()

  This method is called after all the child nodes have been added.

### jjtSetParent

    void jjtSetParent(Node n)

  This pair of methods are used to inform the node of its parent.

### jjtGetParent

    Node jjtGetParent()

### jjtAddChild

    void jjtAddChild(Node n,
                     int i)

  This method tells the node to add its argument to the node's list of children.

### jjtGetChild

    Node jjtGetChild(int i)

  This method returns a child node. The children are numbered from zero, left to right.

### jjtGetNumChildren

    int jjtGetNumChildren()

  Return the number of children the node has.

### jjtAccept

    java.lang.Object jjtAccept(ParserVisitor visitor,
                               java.lang.Object data)

  Accept the visitor.

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