org.apache.flume.sink.hdfs.MockFsDataOutputStream.java Source code

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Here is the source code for org.apache.flume.sink.hdfs.MockFsDataOutputStream.java

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/**
+ * 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.
+ */
package org.apache.flume.sink.hdfs;

import java.io.IOException;

import org.apache.hadoop.fs.FSDataOutputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class MockFsDataOutputStream extends FSDataOutputStream {

    private static final Logger logger = LoggerFactory.getLogger(MockFsDataOutputStream.class);

    int currentCloseAttempts = 0;
    int numberOfClosesRequired;

    public MockFsDataOutputStream(FSDataOutputStream wrapMe, int numberOfClosesRequired) throws IOException {
        super(wrapMe.getWrappedStream(), null);

        this.numberOfClosesRequired = numberOfClosesRequired;

    }

    @Override
    public void close() throws IOException {
        currentCloseAttempts++;
        logger.info("Attempting to Close: '" + currentCloseAttempts + "' of '" + numberOfClosesRequired + "'");
        if (currentCloseAttempts >= numberOfClosesRequired || numberOfClosesRequired == 0) {
            logger.info("closing file");
            super.close();
        } else {
            throw new IOException("MockIOException");
        }
    }

    public int getCurrentCloseAttempts() {
        return currentCloseAttempts;
    }
}