pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / surround / query / OrQuery.java

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/surround/query/OrQuery.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/surround/query/OrQuery.java
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index 0000000..72fd5f0
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+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/surround/query/OrQuery.java
@@ -0,0 +1,61 @@
+package org.apache.lucene.queryParser.surround.query;
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.List;
+import java.util.Iterator;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.BooleanClause;
+
+import java.io.IOException;
+
+public class OrQuery extends ComposedQuery implements DistanceSubQuery { 
+  public OrQuery(List<SrndQuery> queries, boolean infix, String opName) {
+    super(queries, infix, opName);
+  }
+  
+  @Override
+  public Query makeLuceneQueryFieldNoBoost(String fieldName, BasicQueryFactory qf) {
+    return SrndBooleanQuery.makeBooleanQuery(
+      /* subqueries can be individually boosted */
+      makeLuceneSubQueriesField(fieldName, qf), BooleanClause.Occur.SHOULD);
+  }
+  
+  public String distanceSubQueryNotAllowed() {
+    Iterator sqi = getSubQueriesIterator();
+    while (sqi.hasNext()) {
+      SrndQuery leq = (SrndQuery) sqi.next();
+      if (leq instanceof DistanceSubQuery) {
+        String m = ((DistanceSubQuery)leq).distanceSubQueryNotAllowed();
+        if (m != null) {
+          return m;
+        }
+      } else {
+        return "subquery not allowed: " + leq.toString();
+      }
+    }
+    return null;
+  }
+    
+  public void addSpanQueries(SpanNearClauseFactory sncf) throws IOException {
+    Iterator sqi = getSubQueriesIterator();
+    while (sqi.hasNext()) {
+      ((DistanceSubQuery)sqi.next()).addSpanQueries(sncf);
+    }
+  }
+}
+