SimpleNode (Velocity 1.4 API)
Keywords: org.apache.velocity.runtime.parser.node.SimpleNode class

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## org.apache.velocity.runtime.parser.node
Class SimpleNode

    java.lang.Object
      org.apache.velocity.runtime.parser.node.SimpleNode

All Implemented Interfaces:
  Node

Direct Known Subclasses:
  ASTAddNode, ASTAndNode, ASTAssignment, ASTBlock, ASTComment, ASTDirective, ASTDivNode, ASTElseIfStatement, ASTElseStatement, ASTEQNode, ASTEscape, ASTEscapedDirective, ASTExpression, ASTFalse, ASTGENode, ASTGTNode, ASTIdentifier, ASTIfStatement, ASTIncludeStatement, ASTIntegerRange, ASTLENode, ASTLTNode, ASTMethod, ASTModNode, ASTMulNode, ASTNENode, ASTNotNode, ASTNumberLiteral, ASTObjectArray, ASTOrNode, ASTParameters, ASTprocess, ASTReference, ASTSetDirective, ASTStringLiteral, ASTSubtractNode, ASTText, ASTTrue, ASTVariable, ASTWord

public class SimpleNode
extends java.lang.Object
implements Node

Field Summary
`protected Node[]` | `children`
`protected Token` | `first`
`protected int` | `id`
`protected int` | `info`
`protected boolean` | `invalid`
`protected Token` | `last`
`protected Node` | `parent`
`protected Parser` | `parser`
`protected RuntimeServices` | `rsvc`
`boolean` | `state`

Constructor Summary
`SimpleNode(int i)`
`SimpleNode(Parser p, int i)`

Method Summary
`java.lang.Object` | `childrenAccept(ParserVisitor visitor, java.lang.Object data)` Accept the visitor.
`void` | `dump(java.lang.String prefix)`
`boolean` | `evaluate(InternalContextAdapter context)`
`java.lang.Object` | `execute(java.lang.Object o, InternalContextAdapter context)`
`int` | `getColumn()`
`Token` | `getFirstToken()`
`int` | `getInfo()`
`Token` | `getLastToken()`
`int` | `getLine()`
`int` | `getType()`
`java.lang.Object` | `init(InternalContextAdapter context, java.lang.Object data)`
`boolean` | `isInvalid()`
`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.
`java.lang.String` | `literal()`
`boolean` | `render(InternalContextAdapter context, java.io.Writer writer)`
`void` | `setFirstToken(Token t)`
`void` | `setInfo(int info)`
`void` | `setInvalid()`
`java.lang.String` | `toString(java.lang.String prefix)`
`java.lang.Object` | `value(InternalContextAdapter context)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### rsvc

    protected RuntimeServices rsvc

### parent

    protected Node parent

### children

    protected Node[] children

### id

    protected int id

### parser

    protected Parser parser

### info

    protected int info

### state

    public boolean state

### invalid

    protected boolean invalid

### first

    protected Token first

### last

    protected Token last

Constructor Detail

### SimpleNode

    public SimpleNode(int i)

### SimpleNode

    public SimpleNode(Parser p,
                      int i)

Method Detail

### jjtOpen

    public void jjtOpen()

  Description copied from interface: `Node`
  This method is called after the node has been made the current node. It indicates that child nodes can now be added to it.

  Specified by:
    `jjtOpen` in interface `Node`

### jjtClose

    public void jjtClose()

  Description copied from interface: `Node`
  This method is called after all the child nodes have been added.

  Specified by:
    `jjtClose` in interface `Node`

### setFirstToken

    public void setFirstToken(Token t)

### getFirstToken

    public Token getFirstToken()

  Specified by:
    `getFirstToken` in interface `Node`

### getLastToken

    public Token getLastToken()

  Specified by:
    `getLastToken` in interface `Node`

### jjtSetParent

    public void jjtSetParent(Node n)

  Description copied from interface: `Node`
  This pair of methods are used to inform the node of its parent.

  Specified by:
    `jjtSetParent` in interface `Node`

### jjtGetParent

    public Node jjtGetParent()

  Specified by:
    `jjtGetParent` in interface `Node`

### jjtAddChild

    public void jjtAddChild(Node n,
                            int i)

  Description copied from interface: `Node`
  This method tells the node to add its argument to the node's list of children.

  Specified by:
    `jjtAddChild` in interface `Node`

### jjtGetChild

    public Node jjtGetChild(int i)

  Description copied from interface: `Node`
  This method returns a child node. The children are numbered from zero, left to right.

  Specified by:
    `jjtGetChild` in interface `Node`

### jjtGetNumChildren

    public int jjtGetNumChildren()

  Description copied from interface: `Node`
  Return the number of children the node has.

  Specified by:
    `jjtGetNumChildren` in interface `Node`

### jjtAccept

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

  Accept the visitor.

  Specified by:
    `jjtAccept` in interface `Node`

### childrenAccept

    public java.lang.Object childrenAccept(ParserVisitor visitor,
                                           java.lang.Object data)

  Accept the visitor.

  Specified by:
    `childrenAccept` in interface `Node`

### toString

    public java.lang.String toString(java.lang.String prefix)

### dump

    public void dump(java.lang.String prefix)

### literal

    public java.lang.String literal()

  Specified by:
    `literal` in interface `Node`

### init

    public java.lang.Object init(InternalContextAdapter context,
                                 java.lang.Object data)
                          throws java.lang.Exception

  Specified by:
    `init` in interface `Node`
  Throws:
    `java.lang.Exception`

### evaluate

    public boolean evaluate(InternalContextAdapter context)
                     throws MethodInvocationException

  Specified by:
    `evaluate` in interface `Node`
  Throws:
    `MethodInvocationException`

### value

    public java.lang.Object value(InternalContextAdapter context)
                           throws MethodInvocationException

  Specified by:
    `value` in interface `Node`
  Throws:
    `MethodInvocationException`

### render

    public boolean render(InternalContextAdapter context,
                          java.io.Writer writer)
                   throws java.io.IOException,
                          MethodInvocationException,
                          ParseErrorException,
                          ResourceNotFoundException

  Specified by:
    `render` in interface `Node`
  Throws:
    `java.io.IOException`
    `MethodInvocationException`
    `ParseErrorException`
    `ResourceNotFoundException`

### execute

    public java.lang.Object execute(java.lang.Object o,
                                    InternalContextAdapter context)
                             throws MethodInvocationException

  Specified by:
    `execute` in interface `Node`
  Throws:
    `MethodInvocationException`

### getType

    public int getType()

  Specified by:
    `getType` in interface `Node`

### setInfo

    public void setInfo(int info)

  Specified by:
    `setInfo` in interface `Node`

### getInfo

    public int getInfo()

  Specified by:
    `getInfo` in interface `Node`

### setInvalid

    public void setInvalid()

  Specified by:
    `setInvalid` in interface `Node`

### isInvalid

    public boolean isInvalid()

  Specified by:
    `isInvalid` in interface `Node`

### getLine

    public int getLine()

  Specified by:
    `getLine` in interface `Node`

### getColumn

    public int getColumn()

  Specified by:
    `getColumn` in interface `Node`

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