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Example 21 with OperatorDeployInfo

use of com.datatorrent.stram.api.OperatorDeployInfo in project apex-core by apache.

the class StreamCodecTest method testParallelPartitioningStreamCodec.

@Test
public void testParallelPartitioningStreamCodec() {
    GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
    dag.setOperatorAttribute(node1, Context.OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(2));
    GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
    dag.setInputPortAttribute(node2.inport1, Context.PortContext.PARTITION_PARALLEL, true);
    TestStreamCodec serDe = new TestStreamCodec();
    dag.setInputPortAttribute(node2.inport1, Context.PortContext.STREAM_CODEC, serDe);
    GenericTestOperator node3 = dag.addOperator("node3", GenericTestOperator.class);
    TestStreamCodec2 serDe2 = new TestStreamCodec2();
    dag.setInputPortAttribute(node3.inport1, Context.PortContext.STREAM_CODEC, serDe2);
    dag.addStream("n1n2", node1.outport1, node2.inport1);
    dag.addStream("n2n3", node2.outport1, node3.inport1);
    dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, Integer.MAX_VALUE);
    StramTestSupport.MemoryStorageAgent msa = new StramTestSupport.MemoryStorageAgent();
    dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, msa);
    StreamingContainerManager dnm = new StreamingContainerManager(dag);
    PhysicalPlan plan = dnm.getPhysicalPlan();
    List<PTContainer> containers = plan.getContainers();
    for (int i = 0; i < containers.size(); ++i) {
        StreamingContainerManagerTest.assignContainer(dnm, "container" + (i + 1));
    }
    LogicalPlan.OperatorMeta n1meta = dag.getMeta(node1);
    LogicalPlan.OperatorMeta n2meta = dag.getMeta(node2);
    LogicalPlan.OperatorMeta n3meta = dag.getMeta(node3);
    // Sanity check that physical operators have been allocated for n1meta and n2meta
    Assert.assertEquals("number operators " + n1meta.getName(), 2, plan.getOperators(n1meta).size());
    Assert.assertEquals("number operators " + n2meta.getName(), 2, plan.getOperators(n2meta).size());
    Assert.assertEquals("number operators " + n3meta.getName(), 1, plan.getOperators(n3meta).size());
    for (PTContainer container : containers) {
        List<PTOperator> operators = container.getOperators();
        for (PTOperator operator : operators) {
            if (!operator.isUnifier()) {
                if (operator.getOperatorMeta() == n1meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n1meta.getName(), dnm);
                    OperatorDeployInfo.OutputDeployInfo otdi = getOutputDeployInfo(odi, n1meta.getMeta(node1.outport1));
                    String id = n1meta.getName() + " " + otdi.portName;
                    Assert.assertEquals("number stream codecs " + id, otdi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, otdi.streamCodecs, id, plan);
                } else if (operator.getOperatorMeta() == n2meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n2meta.getName(), dnm);
                    OperatorDeployInfo.InputDeployInfo idi = getInputDeployInfo(odi, n2meta.getMeta(node2.inport1));
                    String id = n1meta.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, idi.streamCodecs, id, plan);
                    OperatorDeployInfo.OutputDeployInfo otdi = getOutputDeployInfo(odi, n2meta.getMeta(node2.outport1));
                    id = n2meta.getName() + " " + otdi.portName;
                    Assert.assertEquals("number stream codecs " + id, otdi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n3meta, node3.inport1, otdi.streamCodecs, id, plan);
                } else if (operator.getOperatorMeta() == n3meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n3meta.getName(), dnm);
                    OperatorDeployInfo.InputDeployInfo idi = getInputDeployInfo(odi, n3meta.getMeta(node3.inport1));
                    String id = n3meta.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n3meta, node3.inport1, idi.streamCodecs, id, plan);
                }
            } else {
                OperatorDeployInfo odi = getOperatorDeployInfo(operator, operator.getName(), dnm);
                List<OperatorDeployInfo.InputDeployInfo> idis = odi.inputs;
                for (OperatorDeployInfo.InputDeployInfo idi : idis) {
                    String id = operator.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n3meta, node3.inport1, idi.streamCodecs, id, plan);
                }
                List<OperatorDeployInfo.OutputDeployInfo> otdis = odi.outputs;
                for (OperatorDeployInfo.OutputDeployInfo otdi : otdis) {
                    String id = operator.getName() + " " + otdi.portName;
                    Assert.assertEquals("number stream codecs " + id, otdi.streamCodecs.size(), 0);
                }
            }
        }
    }
}
Also used : PhysicalPlan(com.datatorrent.stram.plan.physical.PhysicalPlan) OperatorDeployInfo(com.datatorrent.stram.api.OperatorDeployInfo) PTOperator(com.datatorrent.stram.plan.physical.PTOperator) GenericTestOperator(com.datatorrent.stram.engine.GenericTestOperator) StramTestSupport(com.datatorrent.stram.support.StramTestSupport) PTContainer(com.datatorrent.stram.plan.physical.PTContainer) LogicalPlan(com.datatorrent.stram.plan.logical.LogicalPlan) Test(org.junit.Test)

Example 22 with OperatorDeployInfo

use of com.datatorrent.stram.api.OperatorDeployInfo in project apex-core by apache.

the class StreamCodecTest method testPartitioningMultipleInputStreamCodec.

@Test
public void testPartitioningMultipleInputStreamCodec() {
    GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
    GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
    dag.setOperatorAttribute(node1, Context.OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(2));
    TestStreamCodec serDe = new TestStreamCodec();
    dag.setInputPortAttribute(node2.inport1, Context.PortContext.STREAM_CODEC, serDe);
    GenericTestOperator node3 = dag.addOperator("node3", GenericTestOperator.class);
    dag.setInputPortAttribute(node3.inport1, Context.PortContext.STREAM_CODEC, serDe);
    dag.addStream("n1n2n3", node1.outport1, node2.inport1, node3.inport1);
    dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, Integer.MAX_VALUE);
    StramTestSupport.MemoryStorageAgent msa = new StramTestSupport.MemoryStorageAgent();
    dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, msa);
    StreamingContainerManager dnm = new StreamingContainerManager(dag);
    PhysicalPlan plan = dnm.getPhysicalPlan();
    List<PTContainer> containers = plan.getContainers();
    Assert.assertEquals("number containers", 4, containers.size());
    for (int i = 0; i < containers.size(); ++i) {
        StreamingContainerManagerTest.assignContainer(dnm, "container" + (i + 1));
    }
    LogicalPlan.OperatorMeta n1meta = dag.getMeta(node1);
    LogicalPlan.OperatorMeta n2meta = dag.getMeta(node2);
    LogicalPlan.OperatorMeta n3meta = dag.getMeta(node3);
    for (PTContainer container : containers) {
        List<PTOperator> operators = container.getOperators();
        for (PTOperator operator : operators) {
            if (!operator.isUnifier()) {
                if (operator.getOperatorMeta() == n1meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n1meta.getName(), dnm);
                    OperatorDeployInfo.OutputDeployInfo otdi = getOutputDeployInfo(odi, n1meta.getMeta(node1.outport1));
                    String id = n1meta.getName() + " " + otdi.portName;
                    Assert.assertEquals("number stream codecs " + id, otdi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, otdi.streamCodecs, id, plan);
                } else if (operator.getOperatorMeta() == n2meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n2meta.getName(), dnm);
                    OperatorDeployInfo.InputDeployInfo idi = getInputDeployInfo(odi, n2meta.getMeta(node2.inport1));
                    String id = n2meta.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, idi.streamCodecs, id, plan);
                } else if (operator.getOperatorMeta() == n3meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n3meta.getName(), dnm);
                    OperatorDeployInfo.InputDeployInfo idi = getInputDeployInfo(odi, n3meta.getMeta(node3.inport1));
                    String id = n3meta.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n3meta, node3.inport1, idi.streamCodecs, id, plan);
                }
            } else {
                OperatorDeployInfo odi = getOperatorDeployInfo(operator, operator.getName(), dnm);
                List<OperatorDeployInfo.InputDeployInfo> idis = odi.inputs;
                for (OperatorDeployInfo.InputDeployInfo idi : idis) {
                    String id = operator.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, idi.streamCodecs, id, plan);
                    checkPresentStreamCodec(n3meta, node3.inport1, idi.streamCodecs, id, plan);
                }
                List<OperatorDeployInfo.OutputDeployInfo> otdis = odi.outputs;
                for (OperatorDeployInfo.OutputDeployInfo otdi : otdis) {
                    String id = operator.getName() + " " + otdi.portName;
                    Assert.assertEquals("number stream codecs " + id, otdi.streamCodecs.size(), 0);
                }
            }
        }
    }
}
Also used : PhysicalPlan(com.datatorrent.stram.plan.physical.PhysicalPlan) OperatorDeployInfo(com.datatorrent.stram.api.OperatorDeployInfo) PTOperator(com.datatorrent.stram.plan.physical.PTOperator) GenericTestOperator(com.datatorrent.stram.engine.GenericTestOperator) StramTestSupport(com.datatorrent.stram.support.StramTestSupport) PTContainer(com.datatorrent.stram.plan.physical.PTContainer) LogicalPlan(com.datatorrent.stram.plan.logical.LogicalPlan) Test(org.junit.Test)

Example 23 with OperatorDeployInfo

use of com.datatorrent.stram.api.OperatorDeployInfo in project apex-core by apache.

the class StreamCodecTest method testPartitioningStreamCodec.

@Test
public void testPartitioningStreamCodec() {
    GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
    GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
    dag.setOperatorAttribute(node2, Context.OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(3));
    TestStreamCodec serDe = new TestStreamCodec();
    dag.setInputPortAttribute(node2.inport1, Context.PortContext.STREAM_CODEC, serDe);
    dag.addStream("n1n2", node1.outport1, node2.inport1);
    dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, Integer.MAX_VALUE);
    StramTestSupport.MemoryStorageAgent msa = new StramTestSupport.MemoryStorageAgent();
    dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, msa);
    StreamingContainerManager dnm = new StreamingContainerManager(dag);
    PhysicalPlan plan = dnm.getPhysicalPlan();
    List<PTContainer> containers = plan.getContainers();
    Assert.assertEquals("number containers", 4, containers.size());
    for (int i = 0; i < containers.size(); ++i) {
        StreamingContainerManagerTest.assignContainer(dnm, "container" + (i + 1));
    }
    LogicalPlan.OperatorMeta n1meta = dag.getMeta(node1);
    LogicalPlan.OperatorMeta n2meta = dag.getMeta(node2);
    OperatorDeployInfo n1di = getSingleOperatorDeployInfo(node1, dnm);
    OperatorDeployInfo.OutputDeployInfo n1odi = getOutputDeployInfo(n1di, n1meta.getMeta(node1.outport1));
    String id = n1meta.getName() + " " + n1odi.portName;
    Assert.assertEquals("number stream codecs " + id, n1odi.streamCodecs.size(), 1);
    checkPresentStreamCodec(n2meta, node2.inport1, n1odi.streamCodecs, id, plan);
    List<PTOperator> operators = plan.getOperators(n2meta);
    Assert.assertEquals("number operators " + n2meta.getName(), 3, operators.size());
    for (PTOperator operator : operators) {
        OperatorDeployInfo odi = getOperatorDeployInfo(operator, n2meta.getName(), dnm);
        OperatorDeployInfo.InputDeployInfo idi = getInputDeployInfo(odi, n2meta.getMeta(node2.inport1));
        id = n2meta.getName() + " " + idi.portName;
        Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
        checkPresentStreamCodec(n2meta, node2.inport1, idi.streamCodecs, id, plan);
    }
}
Also used : PhysicalPlan(com.datatorrent.stram.plan.physical.PhysicalPlan) OperatorDeployInfo(com.datatorrent.stram.api.OperatorDeployInfo) PTOperator(com.datatorrent.stram.plan.physical.PTOperator) GenericTestOperator(com.datatorrent.stram.engine.GenericTestOperator) StramTestSupport(com.datatorrent.stram.support.StramTestSupport) PTContainer(com.datatorrent.stram.plan.physical.PTContainer) LogicalPlan(com.datatorrent.stram.plan.logical.LogicalPlan) Test(org.junit.Test)

Example 24 with OperatorDeployInfo

use of com.datatorrent.stram.api.OperatorDeployInfo in project apex-core by apache.

the class StreamCodecTest method testMultipleInputStreamCodec.

@Test
public void testMultipleInputStreamCodec() {
    GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
    TestStreamCodec serDe = new TestStreamCodec();
    GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
    dag.setInputPortAttribute(node2.inport1, Context.PortContext.STREAM_CODEC, serDe);
    GenericTestOperator node3 = dag.addOperator("node3", GenericTestOperator.class);
    dag.setInputPortAttribute(node3.inport1, Context.PortContext.STREAM_CODEC, serDe);
    dag.addStream("n1n2n3", node1.outport1, node2.inport1, node3.inport1);
    dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, Integer.MAX_VALUE);
    StramTestSupport.MemoryStorageAgent msa = new StramTestSupport.MemoryStorageAgent();
    dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, msa);
    StreamingContainerManager dnm = new StreamingContainerManager(dag);
    PhysicalPlan plan = dnm.getPhysicalPlan();
    List<PTContainer> containers = plan.getContainers();
    Assert.assertEquals("number containers", 3, containers.size());
    for (int i = 0; i < containers.size(); ++i) {
        StreamingContainerManagerTest.assignContainer(dnm, "container" + (i + 1));
    }
    LogicalPlan.OperatorMeta n1meta = dag.getMeta(node1);
    LogicalPlan.OperatorMeta n2meta = dag.getMeta(node2);
    LogicalPlan.OperatorMeta n3meta = dag.getMeta(node3);
    OperatorDeployInfo n1di = getSingleOperatorDeployInfo(node1, dnm);
    OperatorDeployInfo.OutputDeployInfo n1odi = getOutputDeployInfo(n1di, n1meta.getMeta(node1.outport1));
    String id = n1meta.getName() + " " + n1odi.portName;
    Assert.assertEquals("number stream codecs " + id, n1odi.streamCodecs.size(), 1);
    checkPresentStreamCodec(n2meta, node2.inport1, n1odi.streamCodecs, id, plan);
    OperatorDeployInfo n2di = getSingleOperatorDeployInfo(node2, dnm);
    OperatorDeployInfo.InputDeployInfo n2idi = getInputDeployInfo(n2di, n2meta.getMeta(node2.inport1));
    id = n2meta.getName() + " " + n2idi.portName;
    Assert.assertEquals("number stream codecs " + id, n2idi.streamCodecs.size(), 1);
    checkPresentStreamCodec(n2meta, node2.inport1, n2idi.streamCodecs, id, plan);
    OperatorDeployInfo n3di = getSingleOperatorDeployInfo(node3, dnm);
    OperatorDeployInfo.InputDeployInfo n3idi = getInputDeployInfo(n3di, n3meta.getMeta(node3.inport1));
    id = n3meta.getName() + " " + n3idi.portName;
    Assert.assertEquals("number stream codecs " + id, n3idi.streamCodecs.size(), 1);
    checkPresentStreamCodec(n3meta, node3.inport1, n3idi.streamCodecs, id, plan);
}
Also used : PhysicalPlan(com.datatorrent.stram.plan.physical.PhysicalPlan) OperatorDeployInfo(com.datatorrent.stram.api.OperatorDeployInfo) GenericTestOperator(com.datatorrent.stram.engine.GenericTestOperator) StramTestSupport(com.datatorrent.stram.support.StramTestSupport) PTContainer(com.datatorrent.stram.plan.physical.PTContainer) LogicalPlan(com.datatorrent.stram.plan.logical.LogicalPlan) Test(org.junit.Test)

Example 25 with OperatorDeployInfo

use of com.datatorrent.stram.api.OperatorDeployInfo in project apex-core by apache.

the class StreamCodecTest method testMxNPartitioningStreamCodec.

@Test
public void testMxNPartitioningStreamCodec() {
    GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
    dag.setOperatorAttribute(node1, Context.OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(2));
    GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
    dag.setOperatorAttribute(node2, Context.OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(3));
    TestStreamCodec serDe = new TestStreamCodec();
    dag.setInputPortAttribute(node2.inport1, Context.PortContext.STREAM_CODEC, serDe);
    dag.addStream("n1n2", node1.outport1, node2.inport1);
    dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, Integer.MAX_VALUE);
    StramTestSupport.MemoryStorageAgent msa = new StramTestSupport.MemoryStorageAgent();
    dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, msa);
    StreamingContainerManager dnm = new StreamingContainerManager(dag);
    PhysicalPlan plan = dnm.getPhysicalPlan();
    List<PTContainer> containers = plan.getContainers();
    for (int i = 0; i < containers.size(); ++i) {
        StreamingContainerManagerTest.assignContainer(dnm, "container" + (i + 1));
    }
    LogicalPlan.OperatorMeta n1meta = dag.getMeta(node1);
    LogicalPlan.OperatorMeta n2meta = dag.getMeta(node2);
    // Sanity check that physical operators have been allocated for n1meta and n2meta
    Assert.assertEquals("number operators " + n1meta.getName(), 2, plan.getOperators(n1meta).size());
    Assert.assertEquals("number operators " + n2meta.getName(), 3, plan.getOperators(n2meta).size());
    for (PTContainer container : containers) {
        List<PTOperator> operators = container.getOperators();
        for (PTOperator operator : operators) {
            if (!operator.isUnifier()) {
                if (operator.getOperatorMeta() == n1meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n1meta.getName(), dnm);
                    OperatorDeployInfo.OutputDeployInfo otdi = getOutputDeployInfo(odi, n1meta.getMeta(node1.outport1));
                    String id = n1meta.getName() + " " + otdi.portName;
                    Assert.assertEquals("number stream codecs " + id, otdi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, otdi.streamCodecs, id, plan);
                } else if (operator.getOperatorMeta() == n2meta) {
                    OperatorDeployInfo odi = getOperatorDeployInfo(operator, n2meta.getName(), dnm);
                    OperatorDeployInfo.InputDeployInfo idi = getInputDeployInfo(odi, n2meta.getMeta(node2.inport1));
                    String id = n1meta.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, idi.streamCodecs, id, plan);
                }
            } else {
                OperatorDeployInfo odi = getOperatorDeployInfo(operator, operator.getName(), dnm);
                List<OperatorDeployInfo.InputDeployInfo> idis = odi.inputs;
                for (OperatorDeployInfo.InputDeployInfo idi : idis) {
                    String id = operator.getName() + " " + idi.portName;
                    Assert.assertEquals("number stream codecs " + id, idi.streamCodecs.size(), 1);
                    checkPresentStreamCodec(n2meta, node2.inport1, idi.streamCodecs, id, plan);
                }
            }
        }
    }
}
Also used : PhysicalPlan(com.datatorrent.stram.plan.physical.PhysicalPlan) OperatorDeployInfo(com.datatorrent.stram.api.OperatorDeployInfo) PTOperator(com.datatorrent.stram.plan.physical.PTOperator) GenericTestOperator(com.datatorrent.stram.engine.GenericTestOperator) StramTestSupport(com.datatorrent.stram.support.StramTestSupport) PTContainer(com.datatorrent.stram.plan.physical.PTContainer) LogicalPlan(com.datatorrent.stram.plan.logical.LogicalPlan) Test(org.junit.Test)

Aggregations

OperatorDeployInfo (com.datatorrent.stram.api.OperatorDeployInfo)28 PTContainer (com.datatorrent.stram.plan.physical.PTContainer)18 GenericTestOperator (com.datatorrent.stram.engine.GenericTestOperator)16 PhysicalPlan (com.datatorrent.stram.plan.physical.PhysicalPlan)16 Test (org.junit.Test)16 PTOperator (com.datatorrent.stram.plan.physical.PTOperator)15 LogicalPlan (com.datatorrent.stram.plan.logical.LogicalPlan)13 StramTestSupport (com.datatorrent.stram.support.StramTestSupport)11 Checkpoint (com.datatorrent.stram.api.Checkpoint)6 Operator (com.datatorrent.api.Operator)5 PhysicalPlanTest (com.datatorrent.stram.plan.physical.PhysicalPlanTest)5 LinkedHashMap (java.util.LinkedHashMap)5 InputDeployInfo (com.datatorrent.stram.api.OperatorDeployInfo.InputDeployInfo)4 OutputDeployInfo (com.datatorrent.stram.api.OperatorDeployInfo.OutputDeployInfo)4 InlineStream (com.datatorrent.stram.stream.InlineStream)4 MuxStream (com.datatorrent.stram.stream.MuxStream)4 OiOStream (com.datatorrent.stram.stream.OiOStream)4 MemoryStorageAgent (com.datatorrent.stram.support.StramTestSupport.MemoryStorageAgent)4 ComponentContextPair (com.datatorrent.stram.ComponentContextPair)3 TestGeneratorInputOperator (com.datatorrent.stram.engine.TestGeneratorInputOperator)3