Java Code Examples for org.apache.flink.api.java.io.TextInputFormat#createInputSplits()

The following examples show how to use org.apache.flink.api.java.io.TextInputFormat#createInputSplits() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ContinuousFileProcessingTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Test
public void testSortingOnModTime() throws Exception {
	String testBasePath = hdfsURI + "/" + UUID.randomUUID() + "/";

	final long[] modTimes = new long[NO_OF_FILES];
	final org.apache.hadoop.fs.Path[] filesCreated = new org.apache.hadoop.fs.Path[NO_OF_FILES];

	for (int i = 0; i < NO_OF_FILES; i++) {
		Tuple2<org.apache.hadoop.fs.Path, String> file =
			createFileAndFillWithData(testBasePath, "file", i, "This is test line.");
		Thread.sleep(400);

		filesCreated[i] = file.f0;
		modTimes[i] = hdfs.getFileStatus(file.f0).getModificationTime();
	}

	TextInputFormat format = new TextInputFormat(new Path(testBasePath));
	format.setFilesFilter(FilePathFilter.createDefaultFilter());

	// this is just to verify that all splits have been forwarded later.
	FileInputSplit[] splits = format.createInputSplits(1);

	ContinuousFileMonitoringFunction<String> monitoringFunction =
		createTestContinuousFileMonitoringFunction(format, FileProcessingMode.PROCESS_ONCE);

	ModTimeVerifyingSourceContext context = new ModTimeVerifyingSourceContext(modTimes);

	monitoringFunction.open(new Configuration());
	monitoringFunction.run(context);
	Assert.assertEquals(splits.length, context.getCounter());

	// delete the created files.
	for (int i = 0; i < NO_OF_FILES; i++) {
		hdfs.delete(filesCreated[i], false);
	}
}
Example 2
Source File: ContinuousFileProcessingTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testSortingOnModTime() throws Exception {
	String testBasePath = hdfsURI + "/" + UUID.randomUUID() + "/";

	final long[] modTimes = new long[NO_OF_FILES];
	final org.apache.hadoop.fs.Path[] filesCreated = new org.apache.hadoop.fs.Path[NO_OF_FILES];

	for (int i = 0; i < NO_OF_FILES; i++) {
		Tuple2<org.apache.hadoop.fs.Path, String> file =
			createFileAndFillWithData(testBasePath, "file", i, "This is test line.");
		Thread.sleep(400);

		filesCreated[i] = file.f0;
		modTimes[i] = hdfs.getFileStatus(file.f0).getModificationTime();
	}

	TextInputFormat format = new TextInputFormat(new Path(testBasePath));
	format.setFilesFilter(FilePathFilter.createDefaultFilter());

	// this is just to verify that all splits have been forwarded later.
	FileInputSplit[] splits = format.createInputSplits(1);

	ContinuousFileMonitoringFunction<String> monitoringFunction =
		createTestContinuousFileMonitoringFunction(format, FileProcessingMode.PROCESS_ONCE);

	ModTimeVerifyingSourceContext context = new ModTimeVerifyingSourceContext(modTimes);

	monitoringFunction.open(new Configuration());
	monitoringFunction.run(context);
	Assert.assertEquals(splits.length, context.getCounter());

	// delete the created files.
	for (int i = 0; i < NO_OF_FILES; i++) {
		hdfs.delete(filesCreated[i], false);
	}
}
Example 3
Source File: ContinuousFileProcessingTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testSortingOnModTime() throws Exception {
	String testBasePath = hdfsURI + "/" + UUID.randomUUID() + "/";

	final long[] modTimes = new long[NO_OF_FILES];
	final org.apache.hadoop.fs.Path[] filesCreated = new org.apache.hadoop.fs.Path[NO_OF_FILES];

	for (int i = 0; i < NO_OF_FILES; i++) {
		Tuple2<org.apache.hadoop.fs.Path, String> file =
			createFileAndFillWithData(testBasePath, "file", i, "This is test line.");
		Thread.sleep(400);

		filesCreated[i] = file.f0;
		modTimes[i] = hdfs.getFileStatus(file.f0).getModificationTime();
	}

	TextInputFormat format = new TextInputFormat(new Path(testBasePath));
	format.setFilesFilter(FilePathFilter.createDefaultFilter());

	// this is just to verify that all splits have been forwarded later.
	FileInputSplit[] splits = format.createInputSplits(1);

	ContinuousFileMonitoringFunction<String> monitoringFunction =
		createTestContinuousFileMonitoringFunction(format, FileProcessingMode.PROCESS_ONCE);

	ModTimeVerifyingSourceContext context = new ModTimeVerifyingSourceContext(modTimes);

	monitoringFunction.open(new Configuration());
	monitoringFunction.run(context);
	Assert.assertEquals(splits.length, context.getCounter());

	// delete the created files.
	for (int i = 0; i < NO_OF_FILES; i++) {
		hdfs.delete(filesCreated[i], false);
	}
}