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

Class QueryRootNode

java.lang.Object
org.apache.jackrabbit.spi.commons.query.QueryNode
org.apache.jackrabbit.spi.commons.query.QueryRootNode
public class QueryRootNode extends QueryNode
Implements the root node of a query tree.

  • Method Details

    • getLocationNode

      public PathQueryNode getLocationNode()
      Returns the PathQueryNode or null if this query does not have a location node.
      Returns:
      the PathQueryNode or null if this query does not have a location node.

    • setLocationNode

      public void setLocationNode(PathQueryNode locationNode)
      Sets the location node.
      Parameters:
      locationNode - the new location node.

    • addSelectProperty

      public void addSelectProperty(Name propName)
      Adds a new select property to the query.
      Parameters:
      propName - the name of the property to select.

    • getSelectProperties

      public Name[] getSelectProperties()
      Returns an array of select properties.
      Returns:
      an array of select properties.

    • getOrderNode

      public OrderQueryNode getOrderNode()
      Returns the order node or null if no order is specified.
      Returns:
      the order node.

    • setOrderNode

      public void setOrderNode(OrderQueryNode orderNode)
      Sets a new order node.
      Parameters:
      orderNode - the new order node.

    • 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)
      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.