| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * you may obtain a copy of the License from |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package edu.uci.ics.pregelix.core.jobgen; |
| |
| import org.apache.hadoop.io.VLongWritable; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.io.WritableComparable; |
| import org.apache.hadoop.io.WritableComparator; |
| |
| import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits; |
| import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksException; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider; |
| import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory; |
| import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory; |
| import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory; |
| import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation; |
| import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory; |
| import edu.uci.ics.pregelix.api.graph.MsgList; |
| import edu.uci.ics.pregelix.api.job.PregelixJob; |
| import edu.uci.ics.pregelix.api.util.BspUtils; |
| import edu.uci.ics.pregelix.core.data.TypeTraits; |
| import edu.uci.ics.pregelix.core.hadoop.config.ConfigurationFactory; |
| import edu.uci.ics.pregelix.core.jobgen.clusterconfig.ClusterConfig; |
| import edu.uci.ics.pregelix.core.runtime.touchpoint.WritableComparingBinaryComparatorFactory; |
| import edu.uci.ics.pregelix.core.util.DataflowUtils; |
| import edu.uci.ics.pregelix.dataflow.ConnectorPolicyAssignmentPolicy; |
| import edu.uci.ics.pregelix.dataflow.EmptySinkOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.EmptyTupleSourceOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.FinalAggregateOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.MaterializingReadOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.MaterializingWriteOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.TerminationStateWriterOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.base.IConfigurationFactory; |
| import edu.uci.ics.pregelix.dataflow.std.BTreeSearchFunctionUpdateOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.std.IndexNestedLoopJoinFunctionUpdateOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.std.RuntimeHookOperatorDescriptor; |
| import edu.uci.ics.pregelix.dataflow.std.base.IRecordDescriptorFactory; |
| import edu.uci.ics.pregelix.dataflow.std.base.IRuntimeHookFactory; |
| import edu.uci.ics.pregelix.runtime.function.ComputeUpdateFunctionFactory; |
| import edu.uci.ics.pregelix.runtime.function.StartComputeUpdateFunctionFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.MergePartitionComputerFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.MsgListNullWriterFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.PostSuperStepRuntimeHookFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.PreSuperStepRuntimeHookFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.RuntimeHookFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.VertexIdNullWriterFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.VertexIdPartitionComputerFactory; |
| import edu.uci.ics.pregelix.runtime.touchpoint.WritableSerializerDeserializerFactory; |
| |
| public class JobGenOuterJoinSort extends JobGen { |
| |
| public JobGenOuterJoinSort(PregelixJob job) { |
| super(job); |
| } |
| |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| @Override |
| protected JobSpecification generateFirstIteration(int iteration) throws HyracksException { |
| Class<? extends WritableComparable<?>> vertexIdClass = BspUtils.getVertexIndexClass(conf); |
| Class<? extends Writable> vertexClass = BspUtils.getVertexClass(conf); |
| Class<? extends Writable> messageValueClass = BspUtils.getMessageValueClass(conf); |
| Class<? extends Writable> partialAggregateValueClass = BspUtils.getPartialAggregateValueClass(conf); |
| IConfigurationFactory confFactory = new ConfigurationFactory(conf); |
| JobSpecification spec = new JobSpecification(); |
| |
| /** |
| * construct empty tuple operator |
| */ |
| EmptyTupleSourceOperatorDescriptor emptyTupleSource = new EmptyTupleSourceOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptyTupleSource); |
| |
| /** construct runtime hook */ |
| RuntimeHookOperatorDescriptor preSuperStep = new RuntimeHookOperatorDescriptor(spec, |
| new PreSuperStepRuntimeHookFactory(jobId, confFactory)); |
| ClusterConfig.setLocationConstraint(spec, preSuperStep); |
| |
| /** |
| * construct btree search function update operator |
| */ |
| RecordDescriptor recordDescriptor = DataflowUtils.getRecordDescriptorFromKeyValueClasses( |
| vertexIdClass.getName(), vertexClass.getName()); |
| IBinaryComparatorFactory[] comparatorFactories = new IBinaryComparatorFactory[1]; |
| comparatorFactories[0] = new WritableComparingBinaryComparatorFactory(WritableComparator.get(vertexIdClass) |
| .getClass()); |
| IFileSplitProvider fileSplitProvider = ClusterConfig.getFileSplitProvider(jobId, PRIMARY_INDEX); |
| |
| ITypeTraits[] typeTraits = new ITypeTraits[2]; |
| typeTraits[0] = new TypeTraits(false); |
| typeTraits[1] = new TypeTraits(false); |
| |
| RecordDescriptor rdDummy = DataflowUtils.getRecordDescriptorFromWritableClasses(VLongWritable.class.getName()); |
| RecordDescriptor rdPartialAggregate = DataflowUtils |
| .getRecordDescriptorFromWritableClasses(partialAggregateValueClass.getName()); |
| IConfigurationFactory configurationFactory = new ConfigurationFactory(conf); |
| IRuntimeHookFactory preHookFactory = new RuntimeHookFactory(configurationFactory); |
| IRecordDescriptorFactory inputRdFactory = DataflowUtils.getWritableRecordDescriptorFactoryFromWritableClasses( |
| vertexIdClass.getName(), vertexClass.getName()); |
| RecordDescriptor rdUnnestedMessage = DataflowUtils.getRecordDescriptorFromKeyValueClasses( |
| vertexIdClass.getName(), messageValueClass.getName()); |
| RecordDescriptor rdInsert = DataflowUtils.getRecordDescriptorFromKeyValueClasses(vertexIdClass.getName(), |
| vertexClass.getName()); |
| RecordDescriptor rdDelete = DataflowUtils.getRecordDescriptorFromWritableClasses(vertexIdClass.getName()); |
| |
| BTreeSearchFunctionUpdateOperatorDescriptor scanner = new BTreeSearchFunctionUpdateOperatorDescriptor(spec, |
| recordDescriptor, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits, |
| comparatorFactories, JobGenUtil.getForwardScan(iteration), null, null, true, true, |
| new BTreeDataflowHelperFactory(), inputRdFactory, 5, |
| new StartComputeUpdateFunctionFactory(confFactory), preHookFactory, null, rdUnnestedMessage, rdDummy, |
| rdPartialAggregate, rdInsert, rdDelete); |
| ClusterConfig.setLocationConstraint(spec, scanner); |
| |
| /** |
| * construct local sort operator |
| */ |
| int[] keyFields = new int[] { 0 }; |
| INormalizedKeyComputerFactory nkmFactory = JobGenUtil |
| .getINormalizedKeyComputerFactory(iteration, vertexIdClass); |
| IBinaryComparatorFactory[] sortCmpFactories = new IBinaryComparatorFactory[1]; |
| sortCmpFactories[0] = JobGenUtil.getIBinaryComparatorFactory(iteration, WritableComparator.get(vertexIdClass) |
| .getClass()); |
| ExternalSortOperatorDescriptor localSort = new ExternalSortOperatorDescriptor(spec, maxFrameNumber, keyFields, |
| nkmFactory, sortCmpFactories, rdUnnestedMessage); |
| ClusterConfig.setLocationConstraint(spec, localSort); |
| |
| /** |
| * construct local pre-clustered group-by operator |
| */ |
| IAggregatorDescriptorFactory aggregatorFactory = DataflowUtils.getAccumulatingAggregatorFactory(conf, false, |
| false); |
| PreclusteredGroupOperatorDescriptor localGby = new PreclusteredGroupOperatorDescriptor(spec, keyFields, |
| sortCmpFactories, aggregatorFactory, rdUnnestedMessage); |
| ClusterConfig.setLocationConstraint(spec, localGby); |
| |
| /** |
| * construct global sort operator |
| */ |
| ExternalSortOperatorDescriptor globalSort = new ExternalSortOperatorDescriptor(spec, maxFrameNumber, keyFields, |
| nkmFactory, sortCmpFactories, rdUnnestedMessage); |
| ClusterConfig.setLocationConstraint(spec, globalSort); |
| |
| /** |
| * construct global group-by operator |
| */ |
| RecordDescriptor rdFinal = DataflowUtils.getRecordDescriptorFromKeyValueClasses(vertexIdClass.getName(), |
| MsgList.class.getName()); |
| IAggregatorDescriptorFactory aggregatorFactoryFinal = DataflowUtils.getAccumulatingAggregatorFactory(conf, |
| true, true); |
| PreclusteredGroupOperatorDescriptor globalGby = new PreclusteredGroupOperatorDescriptor(spec, keyFields, |
| sortCmpFactories, aggregatorFactoryFinal, rdFinal); |
| ClusterConfig.setLocationConstraint(spec, globalGby); |
| |
| /** |
| * construct the materializing write operator |
| */ |
| MaterializingWriteOperatorDescriptor materialize = new MaterializingWriteOperatorDescriptor(spec, rdFinal); |
| ClusterConfig.setLocationConstraint(spec, materialize); |
| |
| RuntimeHookOperatorDescriptor postSuperStep = new RuntimeHookOperatorDescriptor(spec, |
| new PostSuperStepRuntimeHookFactory(jobId)); |
| ClusterConfig.setLocationConstraint(spec, postSuperStep); |
| |
| /** construct empty sink operator */ |
| EmptySinkOperatorDescriptor emptySink2 = new EmptySinkOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptySink2); |
| |
| /** |
| * termination state write operator |
| */ |
| TerminationStateWriterOperatorDescriptor terminateWriter = new TerminationStateWriterOperatorDescriptor(spec, |
| configurationFactory, jobId); |
| PartitionConstraintHelper.addPartitionCountConstraint(spec, terminateWriter, 1); |
| ITuplePartitionComputerFactory unifyingPartitionComputerFactory = new MergePartitionComputerFactory(); |
| |
| /** |
| * final aggregate write operator |
| */ |
| IRecordDescriptorFactory aggRdFactory = DataflowUtils |
| .getWritableRecordDescriptorFactoryFromWritableClasses(partialAggregateValueClass.getName()); |
| FinalAggregateOperatorDescriptor finalAggregator = new FinalAggregateOperatorDescriptor(spec, |
| configurationFactory, aggRdFactory, jobId); |
| PartitionConstraintHelper.addPartitionCountConstraint(spec, finalAggregator, 1); |
| |
| /** |
| * add the insert operator to insert vertexes |
| */ |
| int[] fieldPermutation = new int[] { 0, 1 }; |
| TreeIndexInsertUpdateDeleteOperatorDescriptor insertOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor( |
| spec, rdInsert, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits, |
| comparatorFactories, null, fieldPermutation, IndexOperation.INSERT, new BTreeDataflowHelperFactory(), |
| null, NoOpOperationCallbackFactory.INSTANCE); |
| ClusterConfig.setLocationConstraint(spec, insertOp); |
| |
| /** |
| * add the delete operator to delete vertexes |
| */ |
| TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor( |
| spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits, |
| comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(), |
| null, NoOpOperationCallbackFactory.INSTANCE); |
| ClusterConfig.setLocationConstraint(spec, deleteOp); |
| |
| /** construct empty sink operator */ |
| EmptySinkOperatorDescriptor emptySink3 = new EmptySinkOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptySink3); |
| |
| /** construct empty sink operator */ |
| EmptySinkOperatorDescriptor emptySink4 = new EmptySinkOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptySink4); |
| |
| ITuplePartitionComputerFactory partionFactory = new VertexIdPartitionComputerFactory( |
| new WritableSerializerDeserializerFactory(vertexIdClass)); |
| /** connect all operators **/ |
| spec.connect(new OneToOneConnectorDescriptor(spec), emptyTupleSource, 0, preSuperStep, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), preSuperStep, 0, scanner, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), scanner, 0, localSort, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, unifyingPartitionComputerFactory), scanner, 1, |
| terminateWriter, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, unifyingPartitionComputerFactory), scanner, 2, |
| finalAggregator, 0); |
| /** |
| * connect the insert/delete operator |
| */ |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, partionFactory), scanner, 3, insertOp, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), insertOp, 0, emptySink3, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, partionFactory), scanner, 4, deleteOp, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), deleteOp, 0, emptySink4, 0); |
| |
| spec.connect(new OneToOneConnectorDescriptor(spec), localSort, 0, localGby, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, partionFactory), localGby, 0, globalSort, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), globalSort, 0, globalGby, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), globalGby, 0, materialize, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), materialize, 0, postSuperStep, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), postSuperStep, 0, emptySink2, 0); |
| |
| spec.addRoot(terminateWriter); |
| spec.addRoot(finalAggregator); |
| spec.addRoot(emptySink2); |
| spec.addRoot(emptySink3); |
| spec.addRoot(emptySink4); |
| |
| spec.setFrameSize(frameSize); |
| spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy(spec)); |
| return spec; |
| } |
| |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| @Override |
| protected JobSpecification generateNonFirstIteration(int iteration) throws HyracksException { |
| Class<? extends WritableComparable<?>> vertexIdClass = BspUtils.getVertexIndexClass(conf); |
| Class<? extends Writable> vertexClass = BspUtils.getVertexClass(conf); |
| Class<? extends Writable> messageValueClass = BspUtils.getMessageValueClass(conf); |
| Class<? extends Writable> partialAggregateValueClass = BspUtils.getPartialAggregateValueClass(conf); |
| JobSpecification spec = new JobSpecification(); |
| |
| /** |
| * source aggregate |
| */ |
| int[] keyFields = new int[] { 0 }; |
| RecordDescriptor rdUnnestedMessage = DataflowUtils.getRecordDescriptorFromKeyValueClasses( |
| vertexIdClass.getName(), messageValueClass.getName()); |
| IBinaryComparatorFactory[] comparatorFactories = new IBinaryComparatorFactory[1]; |
| comparatorFactories[0] = new WritableComparingBinaryComparatorFactory(WritableComparator.get(vertexIdClass) |
| .getClass()); |
| RecordDescriptor rdFinal = DataflowUtils.getRecordDescriptorFromKeyValueClasses(vertexIdClass.getName(), |
| MsgList.class.getName()); |
| RecordDescriptor rdInsert = DataflowUtils.getRecordDescriptorFromKeyValueClasses(vertexIdClass.getName(), |
| vertexClass.getName()); |
| RecordDescriptor rdDelete = DataflowUtils.getRecordDescriptorFromWritableClasses(vertexIdClass.getName()); |
| |
| /** |
| * construct empty tuple operator |
| */ |
| EmptyTupleSourceOperatorDescriptor emptyTupleSource = new EmptyTupleSourceOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptyTupleSource); |
| |
| /** |
| * construct pre-superstep hook |
| */ |
| IConfigurationFactory confFactory = new ConfigurationFactory(conf); |
| RuntimeHookOperatorDescriptor preSuperStep = new RuntimeHookOperatorDescriptor(spec, |
| new PreSuperStepRuntimeHookFactory(jobId, confFactory)); |
| ClusterConfig.setLocationConstraint(spec, preSuperStep); |
| |
| /** |
| * construct the materializing write operator |
| */ |
| MaterializingReadOperatorDescriptor materializeRead = new MaterializingReadOperatorDescriptor(spec, rdFinal); |
| ClusterConfig.setLocationConstraint(spec, materializeRead); |
| |
| /** |
| * construct index join function update operator |
| */ |
| IFileSplitProvider fileSplitProvider = ClusterConfig.getFileSplitProvider(jobId, PRIMARY_INDEX); |
| ITypeTraits[] typeTraits = new ITypeTraits[2]; |
| typeTraits[0] = new TypeTraits(false); |
| typeTraits[1] = new TypeTraits(false); |
| ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(new TypeAwareTupleWriterFactory( |
| typeTraits)); |
| ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(new TypeAwareTupleWriterFactory( |
| typeTraits)); |
| INullWriterFactory[] nullWriterFactories = new INullWriterFactory[2]; |
| nullWriterFactories[0] = VertexIdNullWriterFactory.INSTANCE; |
| nullWriterFactories[1] = MsgListNullWriterFactory.INSTANCE; |
| |
| RecordDescriptor rdDummy = DataflowUtils.getRecordDescriptorFromWritableClasses(VLongWritable.class.getName()); |
| RecordDescriptor rdPartialAggregate = DataflowUtils |
| .getRecordDescriptorFromWritableClasses(partialAggregateValueClass.getName()); |
| IConfigurationFactory configurationFactory = new ConfigurationFactory(conf); |
| IRuntimeHookFactory preHookFactory = new RuntimeHookFactory(configurationFactory); |
| IRecordDescriptorFactory inputRdFactory = DataflowUtils.getWritableRecordDescriptorFactoryFromWritableClasses( |
| vertexIdClass.getName(), MsgList.class.getName(), vertexIdClass.getName(), vertexClass.getName()); |
| |
| IndexNestedLoopJoinFunctionUpdateOperatorDescriptor join = new IndexNestedLoopJoinFunctionUpdateOperatorDescriptor( |
| spec, storageManagerInterface, lcManagerProvider, fileSplitProvider, interiorFrameFactory, |
| leafFrameFactory, typeTraits, comparatorFactories, JobGenUtil.getForwardScan(iteration), keyFields, |
| keyFields, true, true, new BTreeDataflowHelperFactory(), true, nullWriterFactories, inputRdFactory, 5, |
| new ComputeUpdateFunctionFactory(confFactory), preHookFactory, null, rdUnnestedMessage, rdDummy, |
| rdPartialAggregate, rdInsert, rdDelete); |
| ClusterConfig.setLocationConstraint(spec, join); |
| |
| /** |
| * construct local sort operator |
| */ |
| INormalizedKeyComputerFactory nkmFactory = JobGenUtil |
| .getINormalizedKeyComputerFactory(iteration, vertexIdClass); |
| IBinaryComparatorFactory[] sortCmpFactories = new IBinaryComparatorFactory[1]; |
| sortCmpFactories[0] = JobGenUtil.getIBinaryComparatorFactory(iteration, WritableComparator.get(vertexIdClass) |
| .getClass()); |
| ExternalSortOperatorDescriptor localSort = new ExternalSortOperatorDescriptor(spec, maxFrameNumber, keyFields, |
| nkmFactory, sortCmpFactories, rdUnnestedMessage); |
| ClusterConfig.setLocationConstraint(spec, localSort); |
| |
| /** |
| * construct local pre-clustered group-by operator |
| */ |
| IAggregatorDescriptorFactory aggregatorFactory = DataflowUtils.getAccumulatingAggregatorFactory(conf, false, |
| false); |
| PreclusteredGroupOperatorDescriptor localGby = new PreclusteredGroupOperatorDescriptor(spec, keyFields, |
| sortCmpFactories, aggregatorFactory, rdUnnestedMessage); |
| ClusterConfig.setLocationConstraint(spec, localGby); |
| |
| /** |
| * construct global sort operator |
| */ |
| ExternalSortOperatorDescriptor globalSort = new ExternalSortOperatorDescriptor(spec, maxFrameNumber, keyFields, |
| nkmFactory, sortCmpFactories, rdUnnestedMessage); |
| ClusterConfig.setLocationConstraint(spec, globalSort); |
| |
| /** |
| * construct global group-by operator |
| */ |
| IAggregatorDescriptorFactory aggregatorFactoryFinal = DataflowUtils.getAccumulatingAggregatorFactory(conf, |
| true, true); |
| PreclusteredGroupOperatorDescriptor globalGby = new PreclusteredGroupOperatorDescriptor(spec, keyFields, |
| sortCmpFactories, aggregatorFactoryFinal, rdFinal); |
| ClusterConfig.setLocationConstraint(spec, globalGby); |
| |
| /** |
| * construct the materializing write operator |
| */ |
| MaterializingWriteOperatorDescriptor materialize = new MaterializingWriteOperatorDescriptor(spec, rdFinal); |
| ClusterConfig.setLocationConstraint(spec, materialize); |
| |
| /** construct runtime hook */ |
| RuntimeHookOperatorDescriptor postSuperStep = new RuntimeHookOperatorDescriptor(spec, |
| new PostSuperStepRuntimeHookFactory(jobId)); |
| ClusterConfig.setLocationConstraint(spec, postSuperStep); |
| |
| /** construct empty sink operator */ |
| EmptySinkOperatorDescriptor emptySink = new EmptySinkOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptySink); |
| |
| /** |
| * termination state write operator |
| */ |
| TerminationStateWriterOperatorDescriptor terminateWriter = new TerminationStateWriterOperatorDescriptor(spec, |
| configurationFactory, jobId); |
| PartitionConstraintHelper.addPartitionCountConstraint(spec, terminateWriter, 1); |
| |
| /** |
| * final aggregate write operator |
| */ |
| IRecordDescriptorFactory aggRdFactory = DataflowUtils |
| .getWritableRecordDescriptorFactoryFromWritableClasses(partialAggregateValueClass.getName()); |
| FinalAggregateOperatorDescriptor finalAggregator = new FinalAggregateOperatorDescriptor(spec, |
| configurationFactory, aggRdFactory, jobId); |
| PartitionConstraintHelper.addPartitionCountConstraint(spec, finalAggregator, 1); |
| |
| /** |
| * add the insert operator to insert vertexes |
| */ |
| int[] fieldPermutation = new int[] { 0, 1 }; |
| TreeIndexInsertUpdateDeleteOperatorDescriptor insertOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor( |
| spec, rdInsert, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits, |
| comparatorFactories, null, fieldPermutation, IndexOperation.INSERT, new BTreeDataflowHelperFactory(), |
| null, NoOpOperationCallbackFactory.INSTANCE); |
| ClusterConfig.setLocationConstraint(spec, insertOp); |
| |
| /** |
| * add the delete operator to delete vertexes |
| */ |
| TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor( |
| spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits, |
| comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(), |
| null, NoOpOperationCallbackFactory.INSTANCE); |
| ClusterConfig.setLocationConstraint(spec, deleteOp); |
| |
| /** construct empty sink operator */ |
| EmptySinkOperatorDescriptor emptySink3 = new EmptySinkOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptySink3); |
| |
| /** construct empty sink operator */ |
| EmptySinkOperatorDescriptor emptySink4 = new EmptySinkOperatorDescriptor(spec); |
| ClusterConfig.setLocationConstraint(spec, emptySink4); |
| |
| ITuplePartitionComputerFactory unifyingPartitionComputerFactory = new MergePartitionComputerFactory(); |
| ITuplePartitionComputerFactory partionFactory = new VertexIdPartitionComputerFactory( |
| new WritableSerializerDeserializerFactory(vertexIdClass)); |
| |
| /** connect all operators **/ |
| spec.connect(new OneToOneConnectorDescriptor(spec), emptyTupleSource, 0, preSuperStep, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), preSuperStep, 0, materializeRead, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), materializeRead, 0, join, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), join, 0, localSort, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, unifyingPartitionComputerFactory), join, 1, |
| terminateWriter, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, unifyingPartitionComputerFactory), join, 2, |
| finalAggregator, 0); |
| /** |
| * connect the insert/delete operator |
| */ |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, partionFactory), join, 3, insertOp, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), insertOp, 0, emptySink3, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, partionFactory), join, 4, deleteOp, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), deleteOp, 0, emptySink4, 0); |
| |
| spec.connect(new OneToOneConnectorDescriptor(spec), localSort, 0, localGby, 0); |
| spec.connect(new MToNPartitioningConnectorDescriptor(spec, partionFactory), localGby, 0, globalSort, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), globalSort, 0, globalGby, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), globalGby, 0, materialize, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), materialize, 0, postSuperStep, 0); |
| spec.connect(new OneToOneConnectorDescriptor(spec), postSuperStep, 0, emptySink, 0); |
| |
| spec.addRoot(terminateWriter); |
| spec.addRoot(finalAggregator); |
| spec.addRoot(emptySink); |
| spec.addRoot(emptySink3); |
| spec.addRoot(emptySink4); |
| |
| spec.setFrameSize(frameSize); |
| spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy(spec)); |
| return spec; |
| } |
| |
| @Override |
| public JobSpecification[] generateCleanup() throws HyracksException { |
| JobSpecification[] cleanups = new JobSpecification[1]; |
| cleanups[0] = this.dropIndex(PRIMARY_INDEX); |
| return cleanups; |
| } |
| |
| } |
