org.apache.jdo.impl.jdoql.tree
Class CandidateClassImpl

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.CandidateClassImpl

All Implemented Interfaces:

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

public final class CandidateClassImpl
extends NodeImpl
implements CandidateClass

This node represents the candidate class of a query. The candidate class defines the type of instances in the candidate collection on which the filter expression is applied.

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

CandidateClassImpl()
The noarg constructor is needed for ANTLR support and deserialization.

CandidateClassImpl(antlr.Token token)
The noarg constructor is needed for ANTLR support.

Method Summary

void	arrive(NodeVisitor visitor) Delegates to the argument visitor.
java.lang.Object	leave(NodeVisitor visitor, java.lang.Object[] results) Delegates to the argument visitor.
void	setCandidateClass(java.lang.Class clazz) Sets the candidate class for this instance.

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

CandidateClassImpl

public CandidateClassImpl()

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.

CandidateClassImpl

public CandidateClassImpl(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

setCandidateClass

public void setCandidateClass(java.lang.Class clazz)

Sets the candidate class for this instance. This method is used by semantic analysis only.

Parameters:

clazz - the candidate clazz

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