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java.lang.Object org.apache.jackrabbit.core.query.QueryNode org.apache.jackrabbit.core.query.QueryRootNode
Implements the root node of a query tree.
Field Summary |
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 | |
QueryRootNode()
Creates a new QueryRootNode 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 . |
void |
addSelectProperty(QName propName)
Adds a new select property to the query. |
boolean |
equals(Object obj)
Returns true if obj is the same type of
QueryNode as this node and is equal to
this node. |
PathQueryNode |
getLocationNode()
Returns the PathQueryNode or null if this query does
not have a location node. |
OrderQueryNode |
getOrderNode()
Returns the order node. |
QName[] |
getSelectProperties()
Returns an array of select properties. |
int |
getType()
Returns the type of this node. |
void |
setLocationNode(PathQueryNode locationNode)
Sets the location node. |
void |
setOrderNode(OrderQueryNode orderNode)
Sets a new order node. |
Methods inherited from class org.apache.jackrabbit.core.query.QueryNode |
dump, getParent |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public QueryRootNode()
QueryRootNode
instance.
Method Detail |
public PathQueryNode getLocationNode()
PathQueryNode
or null
if this query does
not have a location node.
PathQueryNode
or null
if this query does
not have a location node.public void setLocationNode(PathQueryNode locationNode)
locationNode
- the new location node.public void addSelectProperty(QName propName)
propName
- the name of the property to select.public QName[] getSelectProperties()
public OrderQueryNode getOrderNode()
public void setOrderNode(OrderQueryNode orderNode)
orderNode
- the new order node.public Object accept(QueryNodeVisitor visitor, Object data)
QueryNodeVisitor
and calls the apropriate visit
method on the visitor depending on the concrete implementation of
this QueryNode
.
accept
in class QueryNode
visitor
- the visitor to call back.data
- arbitrary data for the visitor.
visitor.visit()
call.public int getType()
getType
in class QueryNode
public boolean equals(Object obj)
QueryNode
true
if obj
is the same type of
QueryNode
as this
node and is equal to
this
node.
equals
in class QueryNode
obj
- the reference object with which to compare.
true
if obj
is equal to
this
; false
otherwise.
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