| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 at |
| * |
| * 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 org.apache.hyracks.algebricks.core.algebra.operators.physical; |
| |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import org.apache.hyracks.algebricks.common.utils.Pair; |
| import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint; |
| import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator; |
| import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext; |
| import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable; |
| import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag; |
| import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment; |
| import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema; |
| import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind; |
| import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty; |
| import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain; |
| import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty; |
| import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector; |
| import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn; |
| import org.apache.hyracks.algebricks.core.algebra.properties.OrderedPartitionedProperty; |
| import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements; |
| import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector; |
| import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext; |
| import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider; |
| import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider; |
| import org.apache.hyracks.api.dataflow.IConnectorDescriptor; |
| import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory; |
| import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory; |
| import org.apache.hyracks.api.job.IConnectorDescriptorRegistry; |
| import org.apache.hyracks.dataflow.common.data.partition.range.FieldRangePartitionComputerFactory; |
| import org.apache.hyracks.dataflow.common.data.partition.range.IRangeMap; |
| import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor; |
| |
| public class RangePartitionExchangePOperator extends AbstractExchangePOperator { |
| |
| private List<OrderColumn> partitioningFields; |
| private INodeDomain domain; |
| private IRangeMap rangeMap; |
| |
| public RangePartitionExchangePOperator(List<OrderColumn> partitioningFields, INodeDomain domain, IRangeMap rangeMap) { |
| this.partitioningFields = partitioningFields; |
| this.domain = domain; |
| this.rangeMap = rangeMap; |
| } |
| |
| @Override |
| public PhysicalOperatorTag getOperatorTag() { |
| return PhysicalOperatorTag.RANGE_PARTITION_EXCHANGE; |
| } |
| |
| public List<OrderColumn> getPartitioningFields() { |
| return partitioningFields; |
| } |
| |
| public INodeDomain getDomain() { |
| return domain; |
| } |
| |
| @Override |
| public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) { |
| IPartitioningProperty p = new OrderedPartitionedProperty(new ArrayList<OrderColumn>(partitioningFields), domain); |
| this.deliveredProperties = new StructuralPropertiesVector(p, new LinkedList<ILocalStructuralProperty>()); |
| } |
| |
| @Override |
| public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, |
| IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) { |
| return emptyUnaryRequirements(); |
| } |
| |
| @Override |
| public Pair<IConnectorDescriptor, TargetConstraint> createConnectorDescriptor(IConnectorDescriptorRegistry spec, |
| ILogicalOperator op, IOperatorSchema opSchema, JobGenContext context) throws AlgebricksException { |
| int n = partitioningFields.size(); |
| int[] sortFields = new int[n]; |
| IBinaryComparatorFactory[] comps = new IBinaryComparatorFactory[n]; |
| |
| INormalizedKeyComputerFactoryProvider nkcfProvider = context.getNormalizedKeyComputerFactoryProvider(); |
| INormalizedKeyComputerFactory nkcf = null; |
| |
| IVariableTypeEnvironment env = context.getTypeEnvironment(op); |
| int i = 0; |
| for (OrderColumn oc : partitioningFields) { |
| LogicalVariable var = oc.getColumn(); |
| sortFields[i] = opSchema.findVariable(var); |
| Object type = env.getVarType(var); |
| OrderKind order = oc.getOrder(); |
| if (i == 0 && nkcfProvider != null && type != null) { |
| nkcf = nkcfProvider.getNormalizedKeyComputerFactory(type, order == OrderKind.ASC); |
| } |
| IBinaryComparatorFactoryProvider bcfp = context.getBinaryComparatorFactoryProvider(); |
| comps[i] = bcfp.getBinaryComparatorFactory(type, oc.getOrder() == OrderKind.ASC); |
| i++; |
| } |
| ITuplePartitionComputerFactory tpcf = new FieldRangePartitionComputerFactory(sortFields, comps, rangeMap); |
| IConnectorDescriptor conn = new MToNPartitioningConnectorDescriptor(spec, tpcf); |
| return new Pair<IConnectorDescriptor, TargetConstraint>(conn, null); |
| } |
| |
| @Override |
| public String toString() { |
| return getOperatorTag().toString() + " " + partitioningFields + " SPLIT COUNT:" + rangeMap.getSplitCount(); |
| } |
| |
| } |