Here are the examples of the java api class org.apache.activemq.artemis.core.io.aio.AIOSequentialFile taken from open source projects.
1. MultiThreadAsynchronousFileTest#executeTest()
Project: activemq-artemis
File: MultiThreadAsynchronousFileTest.java
File: MultiThreadAsynchronousFileTest.java
private void executeTest(final boolean sync) throws Throwable { MultiThreadAsynchronousFileTest.debug(sync ? "Sync test:" : "Async test"); AIOSequentialFileFactory factory = new AIOSequentialFileFactory(getTestDirfile(), 21000); factory.start(); factory.disableBufferReuse(); AIOSequentialFile file = (AIOSequentialFile) factory.createSequentialFile(fileName); file.open(); try { MultiThreadAsynchronousFileTest.debug("Preallocating file"); file.fill(MultiThreadAsynchronousFileTest.NUMBER_OF_THREADS * MultiThreadAsynchronousFileTest.SIZE * MultiThreadAsynchronousFileTest.NUMBER_OF_LINES); MultiThreadAsynchronousFileTest.debug("Done Preallocating file"); CountDownLatch latchStart = new CountDownLatch(MultiThreadAsynchronousFileTest.NUMBER_OF_THREADS + 1); ArrayList<ThreadProducer> list = new ArrayList<>(MultiThreadAsynchronousFileTest.NUMBER_OF_THREADS); for (int i = 0; i < MultiThreadAsynchronousFileTest.NUMBER_OF_THREADS; i++) { ThreadProducer producer = new ThreadProducer("Thread " + i, latchStart, file, sync); list.add(producer); producer.start(); } latchStart.countDown(); ActiveMQTestBase.waitForLatch(latchStart); long startTime = System.currentTimeMillis(); for (ThreadProducer producer : list) { producer.join(); if (producer.failed != null) { throw producer.failed; } } long endTime = System.currentTimeMillis(); MultiThreadAsynchronousFileTest.debug((sync ? "Sync result:" : "Async result:") + " Records/Second = " + MultiThreadAsynchronousFileTest.NUMBER_OF_THREADS * MultiThreadAsynchronousFileTest.NUMBER_OF_LINES * 1000 / (endTime - startTime) + " total time = " + (endTime - startTime) + " total number of records = " + MultiThreadAsynchronousFileTest.NUMBER_OF_THREADS * MultiThreadAsynchronousFileTest.NUMBER_OF_LINES); } finally { file.close(); factory.stop(); } }