pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / benchmark / src / java / org / apache / lucene / benchmark / byTask / feeds / FacetSource.java

diff --git a/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/FacetSource.java b/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/FacetSource.java
new file mode 100644 (file)
index 0000000..1cfa050
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/FacetSource.java
@@ -0,0 +1,45 @@
+package org.apache.lucene.benchmark.byTask.feeds;
+
+/**
+ * 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.io.IOException;
+
+import org.apache.lucene.facet.index.CategoryContainer;
+
+/**
+ * Source items for facets.
+ * <p>
+ * For supported configuration parameters see {@link ContentItemsSource}.
+ */
+public abstract class FacetSource extends ContentItemsSource {
+
+  /** Returns the next {@link CategoryContainer facets content item}. 
+   * Implementations must account for multi-threading, as multiple threads 
+   * can call this method simultaneously. 
+   */
+  public abstract CategoryContainer getNextFacets(CategoryContainer facets) throws NoMoreDataException, IOException;
+
+  @Override
+  public void resetInputs() throws IOException {
+    printStatistics("facets");
+    // re-initiate since properties by round may have changed.
+    setConfig(getConfig());
+    super.resetInputs();
+  }
+  
+}