Dissolve gerrit-lucene top-level directory

Change-Id: I30df0e9479f809f5f4db3ca2cdfda365d3c63c84
2017-08-23 00:32:57 +02:00
parent 3bd157787e
commit 54c8b0f00e
21 changed files with 10 additions and 12 deletions
--- a/java/com/google/gerrit/lucene/AutoCommitWriter.java
+++ b/java/com/google/gerrit/lucene/AutoCommitWriter.java
@@ -0,0 +1,116 @@
+// Copyright (C) 2014 The Android Open Source Project
+//
+// Licensed 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.
+
+package com.google.gerrit.lucene;
+
+import java.io.IOException;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.IndexableField;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.store.Directory;
+
+/** Writer that optionally flushes/commits after every write. */
+public class AutoCommitWriter extends IndexWriter {
+  private boolean autoCommit;
+
+  AutoCommitWriter(Directory dir, IndexWriterConfig config) throws IOException {
+    this(dir, config, false);
+  }
+
+  AutoCommitWriter(Directory dir, IndexWriterConfig config, boolean autoCommit) throws IOException {
+    super(dir, config);
+    setAutoCommit(autoCommit);
+  }
+
+  /**
+   * This method will override Gerrit configuration index.name.commitWithin until next Gerrit
+   * restart (or reconfiguration through this method).
+   *
+   * @param enable auto commit
+   */
+  public void setAutoCommit(boolean enable) {
+    this.autoCommit = enable;
+  }
+
+  @Override
+  public void addDocument(Iterable<? extends IndexableField> doc) throws IOException {
+    super.addDocument(doc);
+    autoFlush();
+  }
+
+  @Override
+  public void addDocuments(Iterable<? extends Iterable<? extends IndexableField>> docs)
+      throws IOException {
+    super.addDocuments(docs);
+    autoFlush();
+  }
+
+  @Override
+  public void updateDocuments(
+      Term delTerm, Iterable<? extends Iterable<? extends IndexableField>> docs)
+      throws IOException {
+    super.updateDocuments(delTerm, docs);
+    autoFlush();
+  }
+
+  @Override
+  public void deleteDocuments(Term... term) throws IOException {
+    super.deleteDocuments(term);
+    autoFlush();
+  }
+
+  @Override
+  public synchronized boolean tryDeleteDocument(IndexReader readerIn, int docID)
+      throws IOException {
+    boolean ret = super.tryDeleteDocument(readerIn, docID);
+    if (ret) {
+      autoFlush();
+    }
+    return ret;
+  }
+
+  @Override
+  public void deleteDocuments(Query... queries) throws IOException {
+    super.deleteDocuments(queries);
+    autoFlush();
+  }
+
+  @Override
+  public void updateDocument(Term term, Iterable<? extends IndexableField> doc) throws IOException {
+    super.updateDocument(term, doc);
+    autoFlush();
+  }
+
+  @Override
+  public void deleteAll() throws IOException {
+    super.deleteAll();
+    autoFlush();
+  }
+
+  void manualFlush() throws IOException {
+    flush();
+    if (autoCommit) {
+      commit();
+    }
+  }
+
+  public void autoFlush() throws IOException {
+    if (autoCommit) {
+      manualFlush();
+    }
+  }
+}