Examples of com.linkedin.databus.core.test.DbusEventGenerator.generateEvents()

Class com.linkedin.databus.core.test.DbusEventGenerator

Examples of com.linkedin.databus.core.test.DbusEventGenerator.generateEvents()

com.linkedin.databus.core.test.DbusEventGenerator.generateEvents()
Generate specified number of constant sized events. @param numEvents : Number of events desired @param windowSize : Max window size (transaction size) @param maxEventSize : maximum event size expected @param payloadSize : payload size in bytes @param useLastEventAsScn : if true, use count of last event of window as window scn; else use i/windowSize+1 @param eventVector : output container that is populated with the events @return last window number generated

        new DbusEventBuffer(getConfig(1000,1000,100,500,AllocationPolicy.HEAP_MEMORY,
                                      QueuePolicy.BLOCK_ON_WRITE, AssertLevel.NONE));
    dbusBuf.setDropOldEvents(true);
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(3, 1, 100, 10, events);


    // conversion of readable events to writable is for TESTING ONLY:
    DbusEventInternalWritable writableEvent = DbusEventCorrupter.makeWritable(events.get(1));
    // No EOW for event 0.
    writableEvent.setSequence(events.get(0).sequence()+50);

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        new DbusEventBuffer(getConfig(1000,1000,100,500,AllocationPolicy.HEAP_MEMORY,
                                      QueuePolicy.BLOCK_ON_WRITE, AssertLevel.NONE));
    dbusBuf.setDropOldEvents(true);
    DbusEventGenerator generator = new DbusEventGenerator();
    Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(6, 1, 100, 10, events);


    // conversion of readable events to writable is for TESTING ONLY:
    DbusEventInternalWritable writableEvent = DbusEventCorrupter.makeWritable(events.get(1));
    writableEvent.setSequence(events.get(0).sequence());
    writableEvent.applyCrc();

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    dbusBuf.start(0);


    log.info("append a full buffer");
    DbusEventGenerator generator = new DbusEventGenerator(10);
    final Vector<DbusEvent> events = new Vector<DbusEvent>();
    generator.generateEvents(6, 2, 120, 38, events);


    log.debug(dbusBuf.toShortString());
    dbusBuf.assertBuffersLimits();


    DbusEventAppender appender = new DbusEventAppender(events, dbusBuf, null, 1.0, false, -1);

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    log.debug(iter1);


    log.info("append more windows");
    final Vector<DbusEvent> events2 = new Vector<DbusEvent>();
    generator = new DbusEventGenerator(200);
    generator.generateEvents(2, 1, 120, 39, events2);
    appender = new DbusEventAppender(events2, dbusBuf, null, 1.0, false, -1);
    appender.run();
    log.debug("after 2 more events added: " + dbusBuf.toShortString());
    log.debug(iter1);

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    log.debug("buf (after read)=" + dbusBuf);


    generator = new DbusEventGenerator(300);
    final Vector<DbusEvent> events3 = new Vector<DbusEvent>();
    generator.generateEvents(4, 2, 120, 39, events3);
    appender = new DbusEventAppender(events3, dbusBuf, null, 1.0, false, -1);
    appender.run();
    dbusBuf.assertBuffersLimits();


    log.info("make sure we can read remainder of events");

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