1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Oct 2017
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xpath.internal.axes;
  23 
  24 import com.sun.org.apache.xml.internal.dtm.DTMIterator;
  25 import com.sun.org.apache.xml.internal.utils.QName;
  26 import com.sun.org.apache.xpath.internal.XPathContext;
  27 import com.sun.org.apache.xpath.internal.objects.XObject;
  28 import com.sun.org.apache.xpath.internal.patterns.NodeTest;
  29 import java.util.List;
  30 
  31 /**
  32  * This class defines a simplified type of union iterator that only
  33  * tests along the child axes.  If the conditions are right, it is
  34  * much faster than using a UnionPathIterator.


  35  */
  36 public class UnionChildIterator extends ChildTestIterator
  37 {
  38     static final long serialVersionUID = 3500298482193003495L;
  39   /**
  40    * Even though these may hold full LocPathIterators, this array does
  41    * not have to be cloned, since only the node test and predicate
  42    * portion are used, and these only need static information.  However,
  43    * also note that index predicates can not be used!
  44    */
  45   private PredicatedNodeTest[] m_nodeTests = null;
  46 
  47   /**
  48    * Constructor for UnionChildIterator
  49    */
  50   public UnionChildIterator()
  51   {
  52     super(null);
  53   }
  54 

   1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xpath.internal.axes;
  22 
  23 import com.sun.org.apache.xml.internal.dtm.DTMIterator;
  24 import com.sun.org.apache.xml.internal.utils.QName;
  25 import com.sun.org.apache.xpath.internal.XPathContext;
  26 import com.sun.org.apache.xpath.internal.objects.XObject;
  27 import com.sun.org.apache.xpath.internal.patterns.NodeTest;
  28 import java.util.List;
  29 
  30 /**
  31  * This class defines a simplified type of union iterator that only
  32  * tests along the child axes.  If the conditions are right, it is
  33  * much faster than using a UnionPathIterator.
  34  *
  35  * @LastModified: Oct 2017
  36  */
  37 public class UnionChildIterator extends ChildTestIterator
  38 {
  39     static final long serialVersionUID = 3500298482193003495L;
  40   /**
  41    * Even though these may hold full LocPathIterators, this array does
  42    * not have to be cloned, since only the node test and predicate
  43    * portion are used, and these only need static information.  However,
  44    * also note that index predicates can not be used!
  45    */
  46   private PredicatedNodeTest[] m_nodeTests = null;
  47 
  48   /**
  49    * Constructor for UnionChildIterator
  50    */
  51   public UnionChildIterator()
  52   {
  53     super(null);
  54   }
  55