com.zendesk.maxwell.schema..PositionStoreThread.swp Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of maxwell Show documentation
Maxwell's daemon. Watches mysql, outputs to JSON.
There is a newer version: 1.8.0
b0VIM 8.0??lZ?'?Abenalpha21~ben/src/maxwell/src/main/java/com/zendesk/maxwell/schema/PositionStoreThread.java
3210#"! Utp?ad??????fFE'&???p?
?

^
@
(
???]G-
?????~lih]H@2?
?
?
?
?
?
?
?
?
t
^
[
Z
O
0



?	?	?	?	?	?	?	]		?????????L+????SC?????_(????lQ0,+????x;62/.????{vron,?????????}	}		return position;		position = store.get();			return position;		if ( position != null )	public synchronized Position getPosition() throws SQLException {	}		}			}				storedPosition = p;			if (storedPosition == null) {			position = p;		if ( position == null || p.newerThan(position) ) {	public synchronized void setPosition(Position p) {	}		}			}				lastHeartbeatSentFrom = newPosition.getBinlogPosition();			if (newPosition != null) {			lastHeartbeatSent = store.heartbeat();		if ( shouldHeartbeat(newPosition) )  {		try { Thread.sleep(1000); } catch (InterruptedException e) { }		}			storedPosition = newPosition;			store.set(newPosition);		if ( newPosition != null && newPosition.newerThan(storedPosition) ) {		Position newPosition = position;	public void work() throws Exception {	}		return false;		}			return true;			// during quiet times, heartbeat at least every 10s		if ( secondsSinceHeartbeat >= 10 ) {		long secondsSinceHeartbeat = (System.currentTimeMillis() - lastHeartbeatSent) / 1000;		}			return true;		if ( currentBinlog.getOffset() - lastHeartbeatSentFrom.getOffset() > 1000 ) {			return true;		if ( !lastHeartbeatSentFrom.getFile().equals(currentBinlog.getFile()) )		BinlogPosition currentBinlog = currentPosition.getBinlogPosition();			return true;		if ( lastHeartbeatSentFrom == null )			return true;		if ( currentPosition == null )	boolean shouldHeartbeat(Position currentPosition) {	}		store.heartbeat();	public void heartbeat() throws Exception {	}		}			store.set(position);			LOGGER.info("Storing final position: " + position);		if ( position != null && !position.equals(storedPosition) ) {	void storeFinalPosition() throws SQLException {	}		}			}				LOGGER.error("error storing final position: " + e);			} catch ( Exception e ) {				storeFinalPosition();			try {		if ( exception == null ) {	protected void beforeStop() {	@Override	}		thread.interrupt();		super.requestStop();	public void requestStop() {	@Override	}		}			this.taskState.stopped();		} finally {			context.terminate(e);			this.exception = e;		} catch ( Exception e ) {			runLoop();		try {	public void run() {	@Override	}		thread.start();		this.thread.setDaemon(true);		this.thread = new Thread(this, "Position Flush Thread");	public void start() {	}		lastHeartbeatSent = 0L;		lastHeartbeatSentFrom = null;		this.context = context;		this.store = store;	public PositionStoreThread(MysqlPositionStore store, MaxwellContext context) {	private long lastHeartbeatSent;	private BinlogPosition lastHeartbeatSentFrom; // last position we sent a heartbeat from	private Thread thread;	private Exception exception;	private MaxwellContext context;	private final MysqlPositionStore store;	private Position storedPosition; // position as flushed to storage	private Position position; // in memory position	static final Logger LOGGER = LoggerFactory.getLogger(PositionStoreThread.class);public class PositionStoreThread extends RunLoopProcess implements Runnable {import com.zendesk.maxwell.util.RunLoopProcess;import com.zendesk.maxwell.replication.BinlogPosition;import java.sql.SQLException;import org.slf4j.LoggerFactory;import org.slf4j.Logger;import com.zendesk.maxwell.replication.Position;import com.zendesk.maxwell.MaxwellContext;package com.zendesk.maxwell.schema;