org.apache.jdo.impl.jdoql.tree

Class Expr

java.lang.Object

antlr.BaseAST

antlr.CommonAST

org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST

org.apache.jdo.impl.jdoql.tree.NodeImpl

org.apache.jdo.impl.jdoql.tree.Expr

All Implemented Interfaces:

antlr.collections.AST, java.io.Serializable, java.lang.Cloneable, Expression, Node

Direct Known Subclasses:

BinaryExpr, CastExpr, ConstantExpr, IdentifierExpr, MethodCallExpr, UnaryExpr

public abstract class Expr
extends NodeImpl
implements Expression

This node represents a general expression. Examples of general expressions are UnaryExpression, BinaryExpression, FieldAccessExpression, CastExpression and MethodCallExpression.

Author:

Michael Watzek

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST

column, line, typeInfo

Fields inherited from class antlr.BaseAST

down, right

Constructor Summary

Constructors

Constructor and Description
Expr() The noarg constructor is needed for ANTLR support and deserialization.

Method Summary

Methods inherited from class org.apache.jdo.impl.jdoql.tree.NodeImpl

arrive, clone, getChildren, getJavaClass, getObject, getParent, getTokenType, leave, setObject, setParent, toString, walkNextChild

Methods inherited from class org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST

getColumn, getLine, getTypeInfo, initialize, initialize, initialize, setColumn, setLine, setTypeInfo, treeToString

Methods inherited from class antlr.CommonAST

getText, getType, initialize, setText, setType

Methods inherited from class antlr.BaseAST

addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jdo.jdoql.tree.Node

arrive, getChildren, getJavaClass, getObject, getParent, getTokenType, leave, setObject, setParent, walkNextChild

Constructor Detail

Expr

public Expr()

The noarg constructor is needed for ANTLR support and deserialization. The caller must make sure to set the ANTLR tree structure himself or, call setChildren optionally.