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annotate lucene/src/luan/modules/lucene/LuanQueryNodeProcessor.java @ 325:78a6a71afbfd

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use SimplyHTML git-svn-id: https://luan-java.googlecode.com/svn/trunk@326 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 03 Mar 2015 06:00:59 +0000
parents d34be4588556
children
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.modules.lucene;
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3 import java.util.List;
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4 import org.apache.lucene.queryparser.flexible.core.processors.QueryNodeProcessor;
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5 import org.apache.lucene.queryparser.flexible.core.config.QueryConfigHandler;
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6 import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;
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7 import org.apache.lucene.queryparser.flexible.core.nodes.FieldQueryNode;
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8 import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
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11 public class LuanQueryNodeProcessor implements QueryNodeProcessor {
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12 private final LuceneIndex index;
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13 private final QueryNodeProcessor qnp;
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15 public LuanQueryNodeProcessor(LuceneIndex index,QueryNodeProcessor qnp) {
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16 this.index = index;
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17 this.qnp = qnp;
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18 }
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20 public QueryConfigHandler getQueryConfigHandler() {
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21 return qnp.getQueryConfigHandler();
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22 }
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24 public void setQueryConfigHandler(QueryConfigHandler queryConfigHandler) {
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25 qnp.setQueryConfigHandler(queryConfigHandler);
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26 }
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28 public QueryNode process(QueryNode queryTree) throws QueryNodeException {
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29 fix(queryTree);
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30 // System.out.println(queryTree);
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31 return qnp.process(queryTree);
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32 }
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34 private void fix(QueryNode queryTree) {
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35 if( queryTree instanceof FieldQueryNode ) {
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36 FieldQueryNode fqn = (FieldQueryNode)queryTree;
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37 CharSequence fldSeq = fqn.getField();
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38 if( fldSeq == null )
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39 throw new RuntimeException("missing field for value: "+fqn.getText());
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40 String fld = fldSeq.toString();
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41 fld = index.map_field_name(fld);
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42 // System.out.println("field = "+fld);
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43 fqn.setField(fld);
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44 }
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45 List<QueryNode> list = queryTree.getChildren();
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46 if( list != null ) {
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47 for( QueryNode qn : list ) {
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48 fix(qn);
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49 }
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50 }
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51 }
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52 }