pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / backwards / src / test-framework / org / apache / lucene / util / ThrottledIndexOutput.java

diff --git a/lucene-java-3.4.0/lucene/backwards/src/test-framework/org/apache/lucene/util/ThrottledIndexOutput.java b/lucene-java-3.4.0/lucene/backwards/src/test-framework/org/apache/lucene/util/ThrottledIndexOutput.java
deleted file mode 100644 (file)
index fcded42..0000000
--- a/lucene-java-3.4.0/lucene/backwards/src/test-framework/org/apache/lucene/util/ThrottledIndexOutput.java
+++ /dev/null
@@ -1,149 +0,0 @@
-package org.apache.lucene.util;
-
-/**
- * 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.DataInput;
-import org.apache.lucene.store.IndexOutput;
-
-public class ThrottledIndexOutput extends IndexOutput {
-  public static final int DEFAULT_MIN_WRITTEN_BYTES = 1024;
-  private final int bytesPerSecond;
-  private IndexOutput delegate;
-  private long flushDelayMillis;
-  private long closeDelayMillis;
-  private long seekDelayMillis;
-  private long pendingBytes;
-  private long minBytesWritten;
-  private long timeElapsed;
-  private final byte[] bytes = new byte[1];
-
-  public ThrottledIndexOutput newFromDelegate(IndexOutput output) {
-    return new ThrottledIndexOutput(bytesPerSecond, flushDelayMillis,
-        closeDelayMillis, seekDelayMillis, minBytesWritten, output);
-  }
-
-  public ThrottledIndexOutput(int bytesPerSecond, long delayInMillis,
-      IndexOutput delegate) {
-    this(bytesPerSecond, delayInMillis, delayInMillis, delayInMillis,
-        DEFAULT_MIN_WRITTEN_BYTES, delegate);
-  }
-
-  public ThrottledIndexOutput(int bytesPerSecond, long delays,
-      int minBytesWritten, IndexOutput delegate) {
-    this(bytesPerSecond, delays, delays, delays, minBytesWritten, delegate);
-  }
-
-  public static final int mBitsToBytes(int mbits) {
-    return mbits * 125000;
-  }
-
-  public ThrottledIndexOutput(int bytesPerSecond, long flushDelayMillis,
-      long closeDelayMillis, long seekDelayMillis, long minBytesWritten,
-      IndexOutput delegate) {
-    assert bytesPerSecond > 0;
-    this.delegate = delegate;
-    this.bytesPerSecond = bytesPerSecond;
-    this.flushDelayMillis = flushDelayMillis;
-    this.closeDelayMillis = closeDelayMillis;
-    this.seekDelayMillis = seekDelayMillis;
-    this.minBytesWritten = minBytesWritten;
-  }
-
-  @Override
-  public void flush() throws IOException {
-    sleep(flushDelayMillis);
-    delegate.flush();
-  }
-
-  @Override
-  public void close() throws IOException {
-    try {
-      sleep(closeDelayMillis + getDelay(true));
-    } finally {
-      delegate.close();
-    }
-  }
-
-  @Override
-  public long getFilePointer() {
-    return delegate.getFilePointer();
-  }
-
-  @Override
-  public void seek(long pos) throws IOException {
-    sleep(seekDelayMillis);
-    delegate.seek(pos);
-  }
-
-  @Override
-  public long length() throws IOException {
-    return delegate.length();
-  }
-
-  @Override
-  public void writeByte(byte b) throws IOException {
-    bytes[0] = b;
-    writeBytes(bytes, 0, 1);
-  }
-
-  @Override
-  public void writeBytes(byte[] b, int offset, int length) throws IOException {
-    final long before = System.nanoTime();
-    delegate.writeBytes(b, offset, length);
-    timeElapsed += System.nanoTime() - before;
-    pendingBytes += length;
-    sleep(getDelay(false));
-
-  }
-
-  protected long getDelay(boolean closing) {
-    if (pendingBytes > 0 && (closing || pendingBytes > minBytesWritten)) {
-      long actualBps = (timeElapsed / pendingBytes) * 1000000000l; // nano to sec
-      if (actualBps > bytesPerSecond) {
-        long expected = (pendingBytes * 1000l / bytesPerSecond) ;
-        final long delay = expected - (timeElapsed / 1000000l) ;
-        pendingBytes = 0;
-        timeElapsed = 0;
-        return delay;
-      }
-    }
-    return 0;
-
-  }
-
-  private static final void sleep(long ms) {
-    if (ms <= 0)
-      return;
-    try {
-      Thread.sleep(ms);
-    } catch (InterruptedException e) {
-      throw new ThreadInterruptedException(e);
-    }
-  }
-  
-  @Override
-  public void setLength(long length) throws IOException {
-    delegate.setLength(length);
-  }
-
-  @Override
-  public void copyBytes(DataInput input, long numBytes) throws IOException {
-    delegate.copyBytes(input, numBytes);
-  }
-}