pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/BoostAttributeImpl.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/BoostAttributeImpl.java
new file mode 100644 (file)
index 0000000..9cdde86
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+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/BoostAttributeImpl.java
@@ -0,0 +1,104 @@
+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.FieldConfig;
+import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
+import org.apache.lucene.queryParser.standard.processors.MultiFieldQueryNodeProcessor;
+import org.apache.lucene.util.AttributeImpl;
+
+/**
+ * This attribute is used by {@link MultiFieldQueryNodeProcessor} processor and
+ * it should be defined in a {@link FieldConfig}. This processor uses this
+ * attribute to define which boost a specific field should have when none is
+ * defined to it. <br/>
+ * <br/>
+ * 
+ * @see org.apache.lucene.queryParser.standard.config.BoostAttribute
+ * 
+ * @deprecated
+ * 
+ */
+@Deprecated
+public class BoostAttributeImpl extends AttributeImpl 
+                               implements BoostAttribute, ConfigAttribute {
+
+  private static final long serialVersionUID = -2104763012523049527L;
+  
+  private AbstractQueryConfig config;
+
+  { enableBackwards = false; }
+  
+  public BoostAttributeImpl() {
+    // empty constructor
+  }
+
+  public void setBoost(float boost) {
+    config.set(ConfigurationKeys.BOOST, boost);
+  }
+
+  public float getBoost() {
+    return config.get(ConfigurationKeys.BOOST, 1.0f);
+  }
+
+  @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 BoostAttributeImpl
+        && ((BoostAttributeImpl) other).getBoost() == getBoost()) {
+
+      return true;
+
+    }
+
+    return false;
+
+  }
+
+  @Override
+  public int hashCode() {
+    return Float.valueOf(getBoost()).hashCode();
+  }
+
+  @Override
+  public String toString() {
+    return "<boostAttribute boost=" + getBoost() + "/>";
+  }
+  
+  public void setQueryConfigHandler(AbstractQueryConfig config) {
+    this.config = config;
+    
+    if (!config.has(ConfigurationKeys.BOOST)) {
+      config.set(ConfigurationKeys.BOOST, 1.0f);
+    }
+    
+  }
+
+}