Examples with FetchedInputCallback org.apache.tez.runtime.library.common.shuffle.FetchedInputCallback used on opensource projects

Example 1 with FetchedInputCallback

use of org.apache.tez.runtime.library.common.shuffle.FetchedInputCallback in project tez by apache.

the class TestUnorderedKVReader method setupReader.

private void setupReader() throws IOException, InterruptedException {
    defaultConf.set(TezRuntimeConfiguration.TEZ_RUNTIME_KEY_CLASS, Text.class.getName());
    defaultConf.set(TezRuntimeConfiguration.TEZ_RUNTIME_VALUE_CLASS, Text.class.getName());
    createIFile(outputPath, 1);
    final LinkedList<LocalDiskFetchedInput> inputs = new LinkedList<LocalDiskFetchedInput>();
    LocalDiskFetchedInput realFetchedInput = new LocalDiskFetchedInput(0, compLen, new InputAttemptIdentifier(0, 0), outputPath, defaultConf, new FetchedInputCallback() {

        @Override
        public void fetchComplete(FetchedInput fetchedInput) {
        }

        @Override
        public void fetchFailed(FetchedInput fetchedInput) {
        }

        @Override
        public void freeResources(FetchedInput fetchedInput) {
        }
    });
    LocalDiskFetchedInput fetchedInput = spy(realFetchedInput);
    doNothing().when(fetchedInput).free();
    inputs.add(fetchedInput);
    TezCounters counters = new TezCounters();
    TezCounter inputRecords = counters.findCounter(TaskCounter.INPUT_RECORDS_PROCESSED);
    ShuffleManager manager = mock(ShuffleManager.class);
    doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocationOnMock) throws Throwable {
            return (inputs.isEmpty()) ? null : inputs.remove();
        }
    }).when(manager).getNextInput();
    unorderedKVReader = new UnorderedKVReader<Text, Text>(manager, defaultConf, null, false, -1, -1, inputRecords, mock(InputContext.class));
}