pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / standard / builders / AnyQueryNodeBuilder.java

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/AnyQueryNodeBuilder.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/AnyQueryNodeBuilder.java
new file mode 100644 (file)
index 0000000..61e471e
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/AnyQueryNodeBuilder.java
@@ -0,0 +1,77 @@
+package org.apache.lucene.queryParser.standard.builders;
+
+/**
+ * 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 org.apache.lucene.messages.MessageImpl;
+import org.apache.lucene.queryParser.core.QueryNodeException;
+import org.apache.lucene.queryParser.core.builders.QueryTreeBuilder;
+import org.apache.lucene.queryParser.core.messages.QueryParserMessages;
+import org.apache.lucene.queryParser.core.nodes.AnyQueryNode;
+import org.apache.lucene.queryParser.core.nodes.QueryNode;
+import org.apache.lucene.search.BooleanClause;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.BooleanQuery.TooManyClauses;
+
+public class AnyQueryNodeBuilder implements StandardQueryBuilder {
+
+  public AnyQueryNodeBuilder() {
+    // empty constructor
+  }
+
+  public BooleanQuery build(QueryNode queryNode) throws QueryNodeException {
+    AnyQueryNode andNode = (AnyQueryNode) queryNode;
+
+    BooleanQuery bQuery = new BooleanQuery();
+    List<QueryNode> children = andNode.getChildren();
+
+    if (children != null) {
+
+      for (QueryNode child : children) {
+        Object obj = child.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
+
+        if (obj != null) {
+          Query query = (Query) obj;
+
+          try {
+            bQuery.add(query, BooleanClause.Occur.SHOULD);
+          } catch (TooManyClauses ex) {
+
+            throw new QueryNodeException(new MessageImpl(
+            /*
+             * IQQQ.Q0028E_TOO_MANY_BOOLEAN_CLAUSES,
+             * BooleanQuery.getMaxClauseCount()
+             */QueryParserMessages.EMPTY_MESSAGE), ex);
+
+          }
+
+        }
+
+      }
+
+    }
+
+    bQuery.setMinimumNumberShouldMatch(andNode.getMinimumMatchingElements());
+
+    return bQuery;
+
+  }
+
+}