Java Code Examples for org.apache.flink.streaming.api.functions.sink.PrintSinkFunction#open()

The following examples show how to use org.apache.flink.streaming.api.functions.sink.PrintSinkFunction#open() . 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: PrintSinkFunctionTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testPrintSinkStdOut() throws Exception {
	PrintSinkFunction<String> printSink = new PrintSinkFunction<>();
	printSink.setRuntimeContext(new MockStreamingRuntimeContext(false, 1, 0));

	printSink.open(new Configuration());

	printSink.invoke("hello world!", SinkContextUtil.forTimestamp(0));

	assertEquals("Print to System.out", printSink.toString());
	assertEquals("hello world!" + line, arrayOutputStream.toString());
	printSink.close();
}

Example 2

Source File: PrintSinkFunctionTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testPrintSinkStdErr() throws Exception {
	PrintSinkFunction<String> printSink = new PrintSinkFunction<>(true);
	printSink.setRuntimeContext(new MockStreamingRuntimeContext(false, 1, 0));
	printSink.open(new Configuration());

	printSink.invoke("hello world!", SinkContextUtil.forTimestamp(0));

	assertEquals("Print to System.err", printSink.toString());
	assertEquals("hello world!" + line, arrayErrorStream.toString());
	printSink.close();
}

Example 3

Source File: PrintSinkFunctionTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testPrintSinkWithPrefix() throws Exception {
	PrintSinkFunction<String> printSink = new PrintSinkFunction<>();
	printSink.setRuntimeContext(new MockStreamingRuntimeContext(false, 2, 1));
	printSink.open(new Configuration());

	printSink.invoke("hello world!", SinkContextUtil.forTimestamp(0));

	assertEquals("Print to System.out", printSink.toString());
	assertEquals("2> hello world!" + line, arrayOutputStream.toString());
	printSink.close();
}

Example 4

Source File: PrintSinkFunctionTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testPrintSinkWithIdentifierAndPrefix() throws Exception {
	PrintSinkFunction<String> printSink = new PrintSinkFunction<>("mySink", false);
	printSink.setRuntimeContext(new MockStreamingRuntimeContext(false, 2, 1));
	printSink.open(new Configuration());

	printSink.invoke("hello world!", SinkContextUtil.forTimestamp(0));

	assertEquals("Print to System.out", printSink.toString());
	assertEquals("mySink:2> hello world!" + line, arrayOutputStream.toString());
	printSink.close();
}

Example 5

Source File: PrintSinkFunctionTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testPrintSinkWithIdentifierButNoPrefix() throws Exception {
	PrintSinkFunction<String> printSink = new PrintSinkFunction<>("mySink", false);
	printSink.setRuntimeContext(new MockStreamingRuntimeContext(false, 1, 0));
	printSink.open(new Configuration());

	printSink.invoke("hello world!", SinkContextUtil.forTimestamp(0));

	assertEquals("Print to System.out", printSink.toString());
	assertEquals("mySink> hello world!" + line, arrayOutputStream.toString());
	printSink.close();
}

Example 6