Package org.apache.jackrabbit.spi.commons.query

Class ExactQueryNode

java.lang.Object

org.apache.jackrabbit.spi.commons.query.QueryNode

org.apache.jackrabbit.spi.commons.query.ExactQueryNode

Direct Known Subclasses:

NodeTypeQueryNode

public class ExactQueryNode
extends QueryNode

Implements a query node that defines an exact match of a property and a value.

Field Summary

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

Constructors

Constructor	Description
ExactQueryNode(QueryNode parent, Name property, Name value)	Creates a new ExactQueryNode instance.

Method Summary

Modifier and Type	Method	Description
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.
Name	getPropertyName()	Returns the name of the property to match.
int	getType()	Returns the type of this query node.
Name	getValue()	Returns the value of the property to match.
boolean	needsSystemTree()	Returns true if this query node needs items under /jcr:system to be queried.

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

ExactQueryNode

public ExactQueryNode(QueryNode parent,
                      Name property,
                      Name value)

Creates a new ExactQueryNode instance.

Parameters:

parent - the parent node for this ExactQueryNode.

property - the name of the property to match.

value - the value of the property to match.

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 query node.

Specified by:

getType in class QueryNode

Returns:

the type of this query node.

getPropertyName

public Name getPropertyName()

Returns the name of the property to match.

Returns:

the name of the property to match.

getValue

public Name getValue()

Returns the value of the property to match.

Returns:

the value of the property to match.

equals

public boolean equals(Object obj)

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

Specified by:

equals in class QueryNode

Parameters:

obj - the reference object with which to compare.

Returns:

true if obj is equal to this; false otherwise.

needsSystemTree

public boolean needsSystemTree()

Returns true if this query node needs items under /jcr:system to be queried.

Specified by:

needsSystemTree in class QueryNode

Returns:

true if this query node needs content under /jcr:system to be queried; false otherwise.