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

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.OrQueryNode

public class OrQueryNode
extends NAryQueryNode<QueryNode>

Implements a query node that defines an OR operation between arbitrary other QueryNodes.


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 OrQueryNode(QueryNode parent)
          Creates a new OrQueryNode with a parent query node.
 
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

OrQueryNode

protected OrQueryNode(QueryNode parent)
Creates a new OrQueryNode with a parent query node.

Parameters:
parent - the parent of this OrQueryNode.
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.


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