Package 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

Nested Classes

Modifier and Type	Class	Description
static interface	JexlNode.Literal<T>	A marker interface for literals.

Field Summary

Fields

Modifier and Type	Field	Description
java.lang.String	image	token value.

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

children, id, parent, value

Constructor Summary

Constructors

Constructor	Description
JexlNode(int id)
JexlNode(Parser p, int id)

Method Summary

Modifier and Type	Method	Description
DebugInfo	debugInfo()	Gets the underlying debugging information.
java.lang.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 java.lang.Object

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

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

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

Field Detail

image

public java.lang.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 java.lang.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)