com.alterioncorp.perfjdbc.io.PerfOutputStream Maven / Gradle / Ivy

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Wrapper JDBC driver that monitors time spent inside JDBC code by thread. JDBC driver URL: jdbc:alterion:perf://class=<TARGET_DRIVER_CLASS>|url=<TARGET_JDBC_URL> To get the time in millis spent inside JDBC for thread: StopWatch.getTime()

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package com.alterioncorp.perfjdbc.io;

import java.io.IOException;
import java.io.OutputStream;

import com.alterioncorp.perfjdbc.PerfProxy;
import com.alterioncorp.perfjdbc.StopWatch;

public class PerfOutputStream extends OutputStream implements PerfProxy {

	private final OutputStream target;
	
	public PerfOutputStream(OutputStream target) {
		super();
		this.target = target;
	}

	@Override
	public void write(int b) throws IOException {
		StopWatch.start();
		try {
			target.write(b);
		}
		finally {
			StopWatch.stop();
		}
	}

	@Override
	public void write(byte[] b) throws IOException {
		StopWatch.start();
		try {
			target.write(b);
		}
		finally {
			StopWatch.stop();
		}
	}

	@Override
	public void write(byte[] b, int off, int len) throws IOException {
		StopWatch.start();
		try {
			target.write(b, off, len);
		}
		finally {
			StopWatch.stop();
		}
	}

	@Override
	public void flush() throws IOException {
		StopWatch.start();
		try {
			target.flush();
		}
		finally {
			StopWatch.stop();
		}
	}

	@Override
	public void close() throws IOException {
		StopWatch.start();
		try {
			target.close();
		}
		finally {
			StopWatch.stop();
		}
	}

}