org.apache.jackrabbit.spi.commons.query
Class NotQueryNode

java.lang.Object
  org.apache.jackrabbit.spi.commons.query.QueryNode
      org.apache.jackrabbit.spi.commons.query.NAryQueryNode<QueryNode>
          org.apache.jackrabbit.spi.commons.query.NotQueryNode

public class NotQueryNode
extends NAryQueryNode<QueryNode>

Implements a query node that defines a not operation on the child query.

Field Summary

Fields inherited from class org.apache.jackrabbit.spi.commons.query.NAryQueryNode

operands

Fields inherited from class org.apache.jackrabbit.spi.commons.query.QueryNode

TYPE_AND, TYPE_DEREF, TYPE_EXACT, TYPE_LOCATION, TYPE_NODETYPE, TYPE_NOT, TYPE_OR, TYPE_ORDER, TYPE_PATH, TYPE_PROP_FUNCTION, TYPE_RELATION, TYPE_ROOT, TYPE_TEXTSEARCH

Constructor Summary

protected

NotQueryNode(QueryNode parent) Creates a new NotQueryNode instance.

Method Summary

Object	accept(QueryNodeVisitor visitor, Object data) Accepts a QueryNodeVisitor and calls the apropriate visit method on the visitor depending on the concrete implementation of this QueryNode.
boolean	equals(Object obj) Returns true if obj is the same type of QueryNode as this node and is equal to this node.
int	getType() Returns the type of this node.

Methods inherited from class org.apache.jackrabbit.spi.commons.query.NAryQueryNode

acceptOperands, addOperand, getNumOperands, getOperands, needsSystemTree, removeOperand

Methods inherited from class org.apache.jackrabbit.spi.commons.query.QueryNode

dump, getParent

Methods inherited from class java.lang.Object

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

Constructor Detail

NotQueryNode

protected NotQueryNode(QueryNode parent)

Creates a new NotQueryNode instance.

Parameters:

parent - the parent node for this query node.

Method Detail

accept

public Object accept(QueryNodeVisitor visitor,
                     Object data)
              throws RepositoryException

Accepts a QueryNodeVisitor and calls the apropriate visit method on the visitor depending on the concrete implementation of this QueryNode.

Specified by:

accept in class QueryNode

Parameters:

visitor - the visitor to call back.

data - arbitrary data for the visitor.

Returns:

the return value of the visitor.visit() call.

Throws:

RepositoryException

getType

public int getType()

Returns the type of this node.

Specified by:

getType in class QueryNode

Returns:

the type of this node.

equals

public boolean equals(Object obj)

Description copied from class: QueryNode

Returns true if obj is the same type of QueryNode as this node and is equal to this node.

Overrides:

equals in class NAryQueryNode<QueryNode>

Parameters:

obj - the reference object with which to compare.

Returns:

true if obj is equal to this; false otherwise.