org.apache.commons.jexl2.parser
Class JexlNode

java.lang.Object
  org.apache.commons.jexl2.parser.SimpleNode
      org.apache.commons.jexl2.parser.JexlNode

All Implemented Interfaces:

JexlInfo, Node

Direct Known Subclasses:

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, ASTNumberLiteral, ASTOrNode, ASTReference, ASTReturnStatement, ASTSizeFunction, ASTSizeMethod, ASTStringLiteral, ASTTernaryNode, ASTTrueNode, ASTUnaryMinusNode, ASTWhileStatement

public abstract class JexlNode
extends SimpleNode
implements JexlInfo

Base class for parser nodes - holds an 'image' of the token for later use.

Since:

2.0

Nested Class Summary

static interface

JexlNode.Literal<T> A marker interface for literals.

Field Summary

String

image token value.

Fields inherited from class org.apache.commons.jexl2.parser.SimpleNode

children, id, parent, value

Constructor Summary

JexlNode(int id)

JexlNode(Parser p, int id)

Method Summary

DebugInfo	debugInfo() Gets the underlying debugging information.
String	debugString() Formats this information for debugging purpose.
boolean	isConstant() Whether this node is a constant node Its value can not change after the first evaluation and can be cached indefinitely.
protected boolean	isConstant(boolean literal)

Methods inherited from class org.apache.commons.jexl2.parser.SimpleNode

childrenAccept, dump, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtGetValue, jjtOpen, jjtSetParent, jjtSetValue, toString, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

image

public String image

token value.

Constructor Detail

JexlNode

public JexlNode(int id)

JexlNode

public JexlNode(Parser p,
                int id)

Method Detail

debugInfo

public DebugInfo debugInfo()

Gets the underlying debugging information.

Specified by:

debugInfo in interface JexlInfo

Returns:

a debug info instance

debugString

public String debugString()

Formats this information for debugging purpose.

Specified by:

debugString in interface JexlInfo

Returns:

a human readable string.

isConstant

public final boolean isConstant()

Whether this node is a constant node Its value can not change after the first evaluation and can be cached indefinitely.

Returns:

true if constant, false otherwise

isConstant

protected boolean isConstant(boolean literal)