pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/DefaultOperatorAttributeImpl.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/DefaultOperatorAttributeImpl.java
new file mode 100644 (file)
index 0000000..4669714
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+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/DefaultOperatorAttributeImpl.java
@@ -0,0 +1,129 @@
+package org.apache.lucene.queryParser.standard.config;
+
+/**
+ * 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 org.apache.lucene.queryParser.core.config.AbstractQueryConfig;
+import org.apache.lucene.queryParser.core.config.ConfigAttribute;
+import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
+import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
+import org.apache.lucene.queryParser.standard.processors.GroupQueryNodeProcessor;
+import org.apache.lucene.util.AttributeImpl;
+
+/**
+ * This attribute is used by {@link GroupQueryNodeProcessor} processor and must
+ * be defined in the {@link QueryConfigHandler}. This attribute tells the
+ * processor which is the default boolean operator when no operator is defined
+ * between terms. <br/>
+ * 
+ * @see org.apache.lucene.queryParser.standard.config.DefaultOperatorAttribute
+ * 
+ * @deprecated
+ * 
+ */
+@Deprecated
+public class DefaultOperatorAttributeImpl extends AttributeImpl
+                               implements DefaultOperatorAttribute, ConfigAttribute {
+
+  private static final long serialVersionUID = -6804760312723049526L;
+  
+  private AbstractQueryConfig config;
+
+  { enableBackwards = false; }
+  
+  public DefaultOperatorAttributeImpl() {
+    // empty constructor
+  }
+
+  public void setOperator(Operator operator) {
+
+    if (operator == null) {
+      throw new IllegalArgumentException("default operator cannot be null!");
+    }
+
+    org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator newOperator;
+    
+    if (operator == Operator.AND) {
+      newOperator = org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator.AND;
+    } else {
+      newOperator = org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator.OR;
+    }
+    
+    config.set(ConfigurationKeys.DEFAULT_OPERATOR, newOperator);
+
+  }
+
+  public Operator getOperator() {
+    org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator newOperator = config.get(ConfigurationKeys.DEFAULT_OPERATOR, org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator.OR);
+    Operator oldOperator;
+    
+    if (newOperator == org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator.AND) {
+      oldOperator = Operator.AND;
+    } else {
+      oldOperator = Operator.OR;
+    }
+    
+    return oldOperator;
+  }
+
+  @Override
+  public void clear() {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public void copyTo(AttributeImpl target) {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public boolean equals(Object other) {
+
+    if (other instanceof DefaultOperatorAttributeImpl) {
+       DefaultOperatorAttributeImpl defaultOperatorAttr = (DefaultOperatorAttributeImpl) other;
+
+      if (defaultOperatorAttr.getOperator() == this.getOperator()) {
+        return true;
+
+      }
+
+    }
+
+    return false;
+
+  }
+
+  @Override
+  public int hashCode() {
+    return getOperator().hashCode() * 31;
+  }
+
+  @Override
+  public String toString() {
+    return "<defaultOperatorAttribute operator=" + getOperator().name() + "/>";
+  }
+  
+  public void setQueryConfigHandler(AbstractQueryConfig config) {
+    this.config = config;
+    
+    if (!config.has(ConfigurationKeys.DEFAULT_OPERATOR)) {
+      setOperator(Operator.OR); 
+     }
+    
+  }
+
+}