org.apache.jdo.impl.jdoql.tree

Class CastExpr

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

org.apache.jdo.impl.jdoql.tree.CastExpr

All Implemented Interfaces:

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

public final class CastExpr
extends Expr
implements CastExpression

This node represents a cast expression. It has a result type and a child which corresponds with the expression to cast.

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
CastExpr() The noarg constructor is needed for ANTLR support and deserialization.
CastExpr(antlr.Token token) The noarg constructor is needed for ANTLR support.

Method Summary

Methods

Modifier and Type	Method and Description
void	arrive(NodeVisitor visitor) Delegates to the argument visitor.
Expression	getExpression() Returns the node's cast expression.
java.lang.String	getTypeName() Returns the string representation of the Java class, to which this node's expression is casted.
java.lang.Object	leave(NodeVisitor visitor, java.lang.Object[] results) Delegates to the argument visitor.

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

clone, getChildren, getJavaClass, getObject, getParent, getTokenType, 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

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

Constructor Detail

CastExpr

public CastExpr()

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.

CastExpr

public CastExpr(antlr.Token token)

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

Method Detail

getTypeName

public java.lang.String getTypeName()

Returns the string representation of the Java class, to which this node's expression is casted.

Specified by:

getTypeName in interface CastExpression

Returns:

the Java type name

getExpression

public Expression getExpression()

Returns the node's cast expression.

Specified by:

getExpression in interface CastExpression

Returns:

the node's cast expression

arrive

public void arrive(NodeVisitor visitor)

Delegates to the argument visitor.

Specified by:

arrive in interface Node

Overrides:

arrive in class NodeImpl

Parameters:

visitor - the node visitor

leave

public java.lang.Object leave(NodeVisitor visitor,
                     java.lang.Object[] results)

Delegates to the argument visitor.

Specified by:

leave in interface Node

Overrides:

leave in class NodeImpl

Parameters:

visitor - the node visitor

results - the result array

Returns:

the object returned by the visitor instance