org.apache.jackrabbit.core.query
Class DerefQueryNode
java.lang.Object
org.apache.jackrabbit.core.query.QueryNode
org.apache.jackrabbit.core.query.NAryQueryNode
org.apache.jackrabbit.core.query.LocationStepQueryNode
org.apache.jackrabbit.core.query.DerefQueryNode
- public class DerefQueryNode
- extends LocationStepQueryNode
Represents query node that dereferences a reference property into a node and
does an optional name test on the target node.
Fields inherited from class org.apache.jackrabbit.core.query.QueryNode |
TYPE_AND, TYPE_DEREF, TYPE_EXACT, TYPE_LOCATION, TYPE_NODETYPE, TYPE_NOT, TYPE_OR, TYPE_ORDER, TYPE_PATH, TYPE_RELATION, TYPE_ROOT, TYPE_TEXTSEARCH |
Constructor Summary |
DerefQueryNode(QueryNode parent,
QName nameTest,
boolean descendants)
Creates a new DerefQueryNode without a name set for the
reference property. |
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. |
QName |
getRefProperty()
Returns the name of the reference property or null if
none is set. |
int |
getType()
Returns the type of this query node. |
void |
setRefProperty(QName propertyName)
Sets a new name for the reference property. |
DerefQueryNode
public DerefQueryNode(QueryNode parent,
QName nameTest,
boolean descendants)
- Creates a new
DerefQueryNode
without a name set for the
reference property.
- Parameters:
parent
- the parent query node.nameTest
- the name test on the target node, or null
if no name test should be performed on the target node.descendants
- if true
this location step uses the
descendant-or-self axis; otherwise the child axis.
setRefProperty
public void setRefProperty(QName propertyName)
- Sets a new name for the reference property.
- Parameters:
propertyName
- the name of the reference property.
getRefProperty
public QName getRefProperty()
- Returns the name of the reference property or
null
if
none is set.
- Returns:
- the name of the reference property or
null
if
none is set.
getType
public int getType()
- Returns the type of this query node.
- Overrides:
getType
in class LocationStepQueryNode
accept
public 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
.
- Overrides:
accept
in class LocationStepQueryNode
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 LocationStepQueryNode
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