pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / index / FormatPostingsFieldsWriter.java

diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/FormatPostingsFieldsWriter.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/FormatPostingsFieldsWriter.java
new file mode 100644 (file)
index 0000000..a909282
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/FormatPostingsFieldsWriter.java
@@ -0,0 +1,72 @@
+package org.apache.lucene.index;
+
+/**
+ * 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.store.Directory;
+import org.apache.lucene.util.IOUtils;
+
+final class FormatPostingsFieldsWriter extends FormatPostingsFieldsConsumer {
+
+  final Directory dir;
+  final String segment;
+  TermInfosWriter termsOut;
+  final FieldInfos fieldInfos;
+  FormatPostingsTermsWriter termsWriter;
+  final DefaultSkipListWriter skipListWriter;
+  final int totalNumDocs;
+
+  public FormatPostingsFieldsWriter(SegmentWriteState state, FieldInfos fieldInfos) throws IOException {
+    dir = state.directory;
+    segment = state.segmentName;
+    totalNumDocs = state.numDocs;
+    this.fieldInfos = fieldInfos;
+    boolean success = false;
+    try {
+      termsOut = new TermInfosWriter(dir, segment, fieldInfos, state.termIndexInterval);
+      
+      // TODO: this is a nasty abstraction violation (that we
+      // peek down to find freqOut/proxOut) -- we need a
+      // better abstraction here whereby these child consumers
+      // can provide skip data or not
+      skipListWriter = new DefaultSkipListWriter(termsOut.skipInterval,
+          termsOut.maxSkipLevels, totalNumDocs, null, null);
+      
+      termsWriter = new FormatPostingsTermsWriter(state, this);
+      success = true;
+    } finally {
+      if (!success) {
+        IOUtils.closeWhileHandlingException(termsOut, termsWriter);
+      }
+    }
+  }
+
+  /** Add a new field */
+  @Override
+  FormatPostingsTermsConsumer addField(FieldInfo field) {
+    termsWriter.setField(field);
+    return termsWriter;
+  }
+
+  /** Called when we are done adding everything. */
+  @Override
+  void finish() throws IOException {
+    IOUtils.close(termsOut, termsWriter);
+  }
+}