コード例 #1
0
ファイル: FileOutStream.java プロジェクト: ConeyLiu/alluxio
  @Override
  public void write(int b) throws IOException {
    if (mShouldCacheCurrentBlock) {
      try {
        if (mCurrentBlockOutStream == null || mCurrentBlockOutStream.remaining() == 0) {
          getNextBlock();
        }
        mCurrentBlockOutStream.write(b);
      } catch (IOException e) {
        handleCacheWriteException(e);
      }
    }

    if (mUnderStorageType.isSyncPersist()) {
      mUnderStorageOutputStream.write(b);
      ClientContext.getClientMetrics().incBytesWrittenUfs(1);
    }
    mBytesWritten++;
  }
コード例 #2
0
ファイル: FileOutStream.java プロジェクト: ConeyLiu/alluxio
  @Override
  public void write(byte[] b, int off, int len) throws IOException {
    Preconditions.checkArgument(b != null, PreconditionMessage.ERR_WRITE_BUFFER_NULL);
    Preconditions.checkArgument(
        off >= 0 && len >= 0 && len + off <= b.length,
        PreconditionMessage.ERR_BUFFER_STATE,
        b.length,
        off,
        len);

    if (mShouldCacheCurrentBlock) {
      try {
        int tLen = len;
        int tOff = off;
        while (tLen > 0) {
          if (mCurrentBlockOutStream == null || mCurrentBlockOutStream.remaining() == 0) {
            getNextBlock();
          }
          long currentBlockLeftBytes = mCurrentBlockOutStream.remaining();
          if (currentBlockLeftBytes >= tLen) {
            mCurrentBlockOutStream.write(b, tOff, tLen);
            tLen = 0;
          } else {
            mCurrentBlockOutStream.write(b, tOff, (int) currentBlockLeftBytes);
            tOff += currentBlockLeftBytes;
            tLen -= currentBlockLeftBytes;
          }
        }
      } catch (IOException e) {
        handleCacheWriteException(e);
      }
    }

    if (mUnderStorageType.isSyncPersist()) {
      mUnderStorageOutputStream.write(b, off, len);
      ClientContext.getClientMetrics().incBytesWrittenUfs(len);
    }
    mBytesWritten += len;
  }