Examples with ToLongFunctionEx com.hazelcast.function.ToLongFunctionEx used on opensource projects

Example 1 with ToLongFunctionEx

use of com.hazelcast.function.ToLongFunctionEx in project hazelcast by hazelcast.

the class CreateDagVisitor method onSlidingWindowAggregate.

public Vertex onSlidingWindowAggregate(SlidingWindowAggregatePhysicalRel rel) {
    FunctionEx<JetSqlRow, ?> groupKeyFn = rel.groupKeyFn();
    AggregateOperation<?, JetSqlRow> aggregateOperation = rel.aggrOp();
    Expression<?> timestampExpression = rel.timestampExpression();
    ToLongFunctionEx<JetSqlRow> timestampFn = row -> WindowUtils.extractMillis(timestampExpression.eval(row.getRow(), MOCK_EEC));
    SlidingWindowPolicy windowPolicy = rel.windowPolicyProvider().apply(MOCK_EEC);
    KeyedWindowResultFunction<? super Object, ? super JetSqlRow, ?> resultMapping = rel.outputValueMapping();
    if (rel.numStages() == 1) {
        Vertex vertex = dag.newUniqueVertex("Sliding-Window-AggregateByKey", Processors.aggregateToSlidingWindowP(singletonList(groupKeyFn), singletonList(timestampFn), TimestampKind.EVENT, windowPolicy, 0, aggregateOperation, resultMapping));
        connectInput(rel.getInput(), vertex, edge -> edge.distributeTo(localMemberAddress).allToOne(""));
        return vertex;
    } else {
        assert rel.numStages() == 2;
        Vertex vertex1 = dag.newUniqueVertex("Sliding-Window-AccumulateByKey", Processors.accumulateByFrameP(singletonList(groupKeyFn), singletonList(timestampFn), TimestampKind.EVENT, windowPolicy, aggregateOperation));
        Vertex vertex2 = dag.newUniqueVertex("Sliding-Window-CombineByKey", Processors.combineToSlidingWindowP(windowPolicy, aggregateOperation, resultMapping));
        connectInput(rel.getInput(), vertex1, edge -> edge.partitioned(groupKeyFn));
        dag.edge(between(vertex1, vertex2).distributed().partitioned(entryKey()));
        return vertex2;
    }
}

Example 2 with ToLongFunctionEx

use of com.hazelcast.function.ToLongFunctionEx in project hazelcast by hazelcast.

the class SourceBuilderTest method stream_distributed_socketSource_withTimestamps.

@Test
public void stream_distributed_socketSource_withTimestamps() throws IOException {
    // Given
    try (ServerSocket serverSocket = new ServerSocket(0)) {
        startServer(serverSocket);
        // When
        int localPort = serverSocket.getLocalPort();
        ToLongFunctionEx<String> timestampFn = line -> Long.valueOf(line.substring(LINE_PREFIX.length()));
        BatchSource<String> socketSource = SourceBuilder.batch("socket-source-with-timestamps", ctx -> socketReader(localPort)).<String>fillBufferFn((in, buf) -> {
            String line = in.readLine();
            if (line != null) {
                buf.add(line);
            } else {
                buf.close();
            }
        }).destroyFn(BufferedReader::close).distributed(PREFERRED_LOCAL_PARALLELISM).build();
        // Then
        Pipeline p = Pipeline.create();
        p.readFrom(socketSource).addTimestamps(timestampFn, 1000).window(tumbling(1)).aggregate(AggregateOperations.counting()).writeTo(sinkList());
        hz().getJet().newJob(p).join();
        List<WindowResult<Long>> expected = LongStream.range(1, itemCount + 1).mapToObj(i -> new WindowResult<>(i - 1, i, (long) PREFERRED_LOCAL_PARALLELISM * MEMBER_COUNT)).collect(toList());
        assertEquals(expected, new ArrayList<>(sinkList));
    }
}

Example 3 with ToLongFunctionEx

use of com.hazelcast.function.ToLongFunctionEx in project hazelcast by hazelcast.

the class SourceBuilderTest method stream_socketSource_withTimestamps.

@Test
public void stream_socketSource_withTimestamps() throws IOException {
    // Given
    try (ServerSocket serverSocket = new ServerSocket(0)) {
        startServer(serverSocket);
        // When
        int localPort = serverSocket.getLocalPort();
        ToLongFunctionEx<String> timestampFn = line -> Long.valueOf(line.substring(LINE_PREFIX.length()));
        BatchSource<String> socketSource = SourceBuilder.batch("socket-source-with-timestamps", ctx -> socketReader(localPort)).<String>fillBufferFn((in, buf) -> {
            String line = in.readLine();
            if (line != null) {
                buf.add(line);
            } else {
                buf.close();
            }
        }).destroyFn(BufferedReader::close).build();
        // Then
        Pipeline p = Pipeline.create();
        p.readFrom(socketSource).addTimestamps(timestampFn, 0).window(tumbling(1)).aggregate(AggregateOperations.counting()).writeTo(sinkList());
        hz().getJet().newJob(p).join();
        List<WindowResult<Long>> expected = LongStream.range(1, itemCount + 1).mapToObj(i -> new WindowResult<>(i - 1, i, 1L)).collect(toList());
        assertEquals(expected, new ArrayList<>(sinkList));
    }
}

Example 4 with ToLongFunctionEx

use of com.hazelcast.function.ToLongFunctionEx in project hazelcast by hazelcast.

the class SlidingWindowPTest method before.

@Before
public void before() {
    SlidingWindowPolicy winPolicy = slidingWinPolicy(4, 1);
    AggregateOperation1<Entry<?, Long>, LongAccumulator, Long> operation = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((LongAccumulator acc, Entry<?, Long> item) -> acc.add(item.getValue())).andCombine(LongAccumulator::add).andDeduct(hasDeduct ? LongAccumulator::subtract : null).andExportFinish(LongAccumulator::get);
    FunctionEx<?, Long> keyFn = t -> KEY;
    ToLongFunctionEx<Entry<Long, Long>> timestampFn = Entry::getKey;
    SupplierEx<Processor> procSupplier = singleStageProcessor ? aggregateToSlidingWindowP(singletonList(keyFn), singletonList(timestampFn), TimestampKind.EVENT, winPolicy, 0L, operation, KeyedWindowResult::new) : combineToSlidingWindowP(winPolicy, operation, KeyedWindowResult::new);
    // new supplier to save the last supplied instance
    supplier = () -> lastSuppliedProcessor = (SlidingWindowP) procSupplier.get();
}

Example 5 with ToLongFunctionEx

use of com.hazelcast.function.ToLongFunctionEx in project hazelcast by hazelcast.

the class SlidingWindowP_twoStageSnapshotTest method before.

@Before
public void before() {
    SlidingWindowPolicy windowDef = slidingWinPolicy(4, 1);
    AggregateOperation1<Entry<?, Long>, LongAccumulator, Long> aggrOp = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((LongAccumulator acc, Entry<?, Long> item) -> acc.add(item.getValue())).andCombine(LongAccumulator::add).andDeduct(LongAccumulator::subtract).andExportFinish(LongAccumulator::get);
    SupplierEx<Processor> procSupplier1 = Processors.accumulateByFrameP(singletonList((FunctionEx<? super Entry<Long, Long>, ?>) t -> KEY), singletonList((ToLongFunctionEx<? super Entry<Long, Long>>) Entry::getKey), TimestampKind.EVENT, windowDef, aggrOp.withIdentityFinish());
    SupplierEx<Processor> procSupplier2 = combineToSlidingWindowP(windowDef, aggrOp, KeyedWindowResult::new);
    // new supplier to save the last supplied instance
    stage1Supplier = () -> lastSuppliedStage1Processor = (SlidingWindowP<?, ?, ?, ?>) procSupplier1.get();
    stage2Supplier = () -> lastSuppliedStage2Processor = (SlidingWindowP<?, ?, ?, ?>) procSupplier2.get();
}