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

java.lang.Object
  extended by org.apache.jackrabbit.spi.commons.query.QueryNode
      extended by org.apache.jackrabbit.spi.commons.query.NAryQueryNode<QueryNode>
          extended by 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 appropriate 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 appropriate 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.


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