19f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 29f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Licensed to the Apache Software Foundation (ASF) under one 39f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * or more contributor license agreements. See the NOTICE file 49f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed with this work for additional information 59f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * regarding copyright ownership. The ASF licenses this file 69f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * to you under the Apache License, Version 2.0 (the "License"); 79f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * you may not use this file except in compliance with the License. 89f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * You may obtain a copy of the License at 99f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Unless required by applicable law or agreed to in writing, software 139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * See the License for the specific language governing permissions and 169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * limitations under the License. 179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * $Id: BasicTestIterator.java 469314 2006-10-30 23:31:59Z minchau $ 209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpackage org.apache.xpath.axes; 229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTM; 249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTMFilter; 259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTMIterator; 269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.utils.PrefixResolver; 279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.compiler.Compiler; 289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.compiler.OpMap; 299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/** 319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Base for iterators that handle predicates. Does the basic next 329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * node logic, so all the derived iterator has to do is get the 339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * next node. 349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpublic abstract class BasicTestIterator extends LocPathIterator 369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson{ 379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson static final long serialVersionUID = 3505378079378096623L; 389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Create a LocPathIterator object. 409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param nscontext The namespace context for this iterator, 429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * should be OK if null. 439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson protected BasicTestIterator() 459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Create a LocPathIterator object. 519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param nscontext The namespace context for this iterator, 539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * should be OK if null. 549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson protected BasicTestIterator(PrefixResolver nscontext) 569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson super(nscontext); 599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Create a LocPathIterator object, including creation 639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * of step walkers from the opcode list, and call back 649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * into the Compiler to create predicate expressions. 659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param compiler The Compiler which is creating 679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * this expression. 689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param opPos The position of this iterator in the 699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * opcode list from the compiler. 709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson protected BasicTestIterator(Compiler compiler, int opPos, int analysis) 749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson throws javax.xml.transform.TransformerException 759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson super(compiler, opPos, analysis, false); 779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int firstStepPos = OpMap.getFirstChildPos(opPos); 799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int whatToShow = compiler.getWhatToShow(firstStepPos); 809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if ((0 == (whatToShow 829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson & (DTMFilter.SHOW_ATTRIBUTE 839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson | DTMFilter.SHOW_NAMESPACE 849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson | DTMFilter.SHOW_ELEMENT 859f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson | DTMFilter.SHOW_PROCESSING_INSTRUCTION))) 869f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson || (whatToShow == DTMFilter.SHOW_ALL)) 879f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson initNodeTest(whatToShow); 889f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 899f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 909f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson initNodeTest(whatToShow, compiler.getStepNS(firstStepPos), 919f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson compiler.getStepLocalName(firstStepPos)); 929f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 939f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson initPredicateInfo(compiler, firstStepPos); 949f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 959f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 969f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 979f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Create a LocPathIterator object, including creation 989f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * of step walkers from the opcode list, and call back 999f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * into the Compiler to create predicate expressions. 1009f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1019f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param compiler The Compiler which is creating 1029f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * this expression. 1039f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param opPos The position of this iterator in the 1049f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * opcode list from the compiler. 1059f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param shouldLoadWalkers True if walkers should be 1069f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * loaded, or false if this is a derived iterator and 1079f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * it doesn't wish to load child walkers. 1089f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1099f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 1109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson protected BasicTestIterator( 1129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson Compiler compiler, int opPos, int analysis, boolean shouldLoadWalkers) 1139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson throws javax.xml.transform.TransformerException 1149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson super(compiler, opPos, analysis, shouldLoadWalkers); 1169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Get the next node via getNextXXX. Bottlenecked for derived class override. 1219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return The next node on the axis, or DTM.NULL. 1229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson protected abstract int getNextNode(); 1249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Returns the next node in the set and advances the position of the 1279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * iterator in the set. After a NodeIterator is created, the first call 1289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * to nextNode() returns the first node in the set. 1299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return The next <code>Node</code> in the set being iterated over, or 1319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * <code>null</code> if there are no more members in that set. 1329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public int nextNode() 1349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if(m_foundLast) 1369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_lastFetched = DTM.NULL; 1389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return DTM.NULL; 1399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if(DTM.NULL == m_lastFetched) 1429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson resetProximityPositions(); 1449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int next; 1479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson org.apache.xpath.VariableStack vars; 1499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int savedStart; 1509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (-1 != m_stackFrame) 1519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson vars = m_execContext.getVarStack(); 1539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // These three statements need to be combined into one operation. 1559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson savedStart = vars.getStackFrame(); 1569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson vars.setStackFrame(m_stackFrame); 1589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 1609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // Yuck. Just to shut up the compiler! 1629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson vars = null; 1639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson savedStart = 0; 1649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson try 1679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson do 1699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson next = getNextNode(); 1719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (DTM.NULL != next) 1739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if(DTMIterator.FILTER_ACCEPT == acceptNode(next)) 1759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson break; 1769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 1779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson continue; 1789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 1809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson break; 1819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson while (next != DTM.NULL); 1839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (DTM.NULL != next) 1859f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1869f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_pos++; 1879f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return next; 1889f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1899f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 1909f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1919f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_foundLast = true; 1929f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1939f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return DTM.NULL; 1949f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1959f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1969f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson finally 1979f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1989f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (-1 != m_stackFrame) 1999f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 2009f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // These two statements need to be combined into one operation. 2019f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson vars.setStackFrame(savedStart); 2029f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2039f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2049f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2059f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2069f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 2079f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Get a cloned Iterator that is reset to the beginning 2089f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * of the query. 2099f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 2109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return A cloned NodeIterator set of the start of the query. 2119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 2129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws CloneNotSupportedException 2139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 2149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public DTMIterator cloneWithReset() throws CloneNotSupportedException 2159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 2169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson ChildTestIterator clone = (ChildTestIterator) super.cloneWithReset(); 2189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson clone.resetProximityPositions(); 2209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return clone; 2229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson} 2269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 227