Examples with InputFilesSelector com.baidu.hugegraph.computer.core.store.file.select.InputFilesSelector used on opensource projects

Example 1 with InputFilesSelector

use of com.baidu.hugegraph.computer.core.store.file.select.InputFilesSelector in project hugegraph-computer by hugegraph.

the class HgkvFileSorter method mergeInputs.

@Override
public void mergeInputs(List<String> inputs, OuterSortFlusher flusher, List<String> outputs, boolean withSubKv) throws Exception {
    Function<String, EntryIterator> fileToInput;
    Function<String, KvEntryFileWriter> fileToWriter;
    if (withSubKv) {
        fileToInput = o -> new HgkvDir4SubKvReaderImpl(o).iterator();
    } else {
        fileToInput = o -> new HgkvDirReaderImpl(o).iterator();
    }
    fileToWriter = path -> new HgkvDirBuilderImpl(this.config, path);
    InputFilesSelector selector = new DisperseEvenlySelector();
    List<SelectedFiles> selectResult = selector.selectedByHgkvFile(inputs, outputs);
    this.sorter.mergeFile(selectResult, fileToInput, fileToWriter, flusher);
}

Example 2 with InputFilesSelector

use of com.baidu.hugegraph.computer.core.store.file.select.InputFilesSelector in project hugegraph-computer by hugegraph.

the class BufferFileSorter method mergeInputs.

@Override
public void mergeInputs(List<String> inputs, OuterSortFlusher flusher, List<String> outputs, boolean withSubKv) throws Exception {
    Function<String, EntryIterator> fileToInput;
    Function<String, KvEntryFileWriter> fileToWriter;
    if (withSubKv) {
        fileToInput = o -> new BufferFileSubEntryReader(o).iterator();
    } else {
        fileToInput = o -> new BufferFileEntryReader(o).iterator();
    }
    fileToWriter = BufferFileEntryBuilder::new;
    InputFilesSelector selector = new DisperseEvenlySelector();
    List<SelectedFiles> selectResult = selector.selectedByBufferFile(inputs, outputs);
    this.sorter.mergeFile(selectResult, fileToInput, fileToWriter, flusher);
}

Example 3 with InputFilesSelector

use of com.baidu.hugegraph.computer.core.store.file.select.InputFilesSelector in project hugegraph-computer by hugegraph.

the class SorterTest method testExceptionCaseForSelector.

@Test
public void testExceptionCaseForSelector() {
    // Parameter inputs size < outputs size
    String input1 = StoreTestUtil.availablePathById("1");
    String input2 = StoreTestUtil.availablePathById("2");
    List<String> inputs = ImmutableList.of(input1, input2);
    String output1 = StoreTestUtil.availablePathById("3");
    String output2 = StoreTestUtil.availablePathById("4");
    String output3 = StoreTestUtil.availablePathById("5");
    List<String> outputs = ImmutableList.of(output1, output2, output3);
    InputFilesSelector selector = new DisperseEvenlySelector();
    Assert.assertThrows(IllegalArgumentException.class, () -> {
        selector.selectedByHgkvFile(inputs, outputs);
    }, e -> {
        String errorMsg = "inputs size of InputFilesSelector must be >= " + "outputs size";
        Assert.assertContains(errorMsg, e.getMessage());
    });
}