How to use

needsSystemTree

method

in

org.apache.jackrabbit.spi.commons.query.QueryRootNode

/**
 * Returns <code>true</code> if this query node needs items under
 * /jcr:system to be queried.
 *
 * @return <code>true</code> if this query node needs content under
 *         /jcr:system to be queried; <code>false</code> otherwise.
 */
public boolean needsSystemTree() {
  return this.root.needsSystemTree();
}

/**
 * Returns <code>true</code> if this query node needs items under
 * /jcr:system to be queried.
 *
 * @return <code>true</code> if this query node needs content under
 *         /jcr:system to be queried; <code>false</code> otherwise.
 */
public boolean needsSystemTree() {
  return this.root.needsSystemTree();
}

  public void testNeedsSystemTreeForAllNodesByNodeType() throws Exception {
    QueryRootNode queryRootNode = XPathQueryBuilder.createQuery("//element(*, nt:resource)", JCR_RESOLVER, QUERY_NODE_FACTORY);
    assertFalse(queryRootNode.needsSystemTree());

    queryRootNode = XPathQueryBuilder.createQuery("//element(*, nt:resource)[@jcr:test = 'foo']", JCR_RESOLVER, QUERY_NODE_FACTORY);
    assertFalse(queryRootNode.needsSystemTree());

    queryRootNode = XPathQueryBuilder.createQuery("//element(*, nt:nodeType)", JCR_RESOLVER, QUERY_NODE_FACTORY);
    assertTrue(queryRootNode.needsSystemTree());
  }
}

public void testNeedsSystemTree() throws Exception {
  QueryRootNode queryRootNode = XPathQueryBuilder.createQuery("/jcr:root/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
  assertTrue(queryRootNode.needsSystemTree());
  queryRootNode = XPathQueryBuilder.createQuery("/jcr:root/test/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
  assertFalse(queryRootNode.needsSystemTree());
  queryRootNode = XPathQueryBuilder.createQuery("*", JCR_RESOLVER, QUERY_NODE_FACTORY);
  assertTrue(queryRootNode.needsSystemTree());
  queryRootNode = XPathQueryBuilder.createQuery("jcr:system/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
  assertTrue(queryRootNode.needsSystemTree());
  queryRootNode = XPathQueryBuilder.createQuery("test//*", JCR_RESOLVER, QUERY_NODE_FACTORY);
  assertFalse(queryRootNode.needsSystemTree());
  queryRootNode = XPathQueryBuilder.createQuery("//test/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
  assertTrue(queryRootNode.needsSystemTree());
}