| /* |
| * 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.asterix.bad.runtime.operators; |
| |
| import org.apache.asterix.active.EntityId; |
| import org.apache.asterix.om.types.IAType; |
| import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder; |
| 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.AbstractLogicalOperator; |
| import org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator; |
| import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema; |
| import org.apache.hyracks.algebricks.core.algebra.operators.physical.AbstractPhysicalOperator; |
| import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector; |
| import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements; |
| import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext; |
| import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper; |
| import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory; |
| import org.apache.hyracks.algebricks.runtime.evaluators.ColumnAccessEvalFactory; |
| import org.apache.hyracks.api.dataflow.value.RecordDescriptor; |
| |
| public class NotifyBrokerPOperator extends AbstractPhysicalOperator { |
| |
| private final EntityId entityId; |
| |
| public NotifyBrokerPOperator(EntityId entityId) { |
| this.entityId = entityId; |
| } |
| |
| @Override |
| public PhysicalOperatorTag getOperatorTag() { |
| return PhysicalOperatorTag.DELEGATE_OPERATOR; |
| } |
| |
| @Override |
| public String toString() { |
| return "NOTIFY_BROKERS"; |
| } |
| |
| @Override |
| public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, |
| IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) { |
| return emptyUnaryRequirements(); |
| } |
| |
| @Override |
| public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) |
| throws AlgebricksException { |
| AbstractLogicalOperator op2 = (AbstractLogicalOperator) op.getInputs().get(0).getValue(); |
| deliveredProperties = op2.getDeliveredPhysicalProperties().clone(); |
| } |
| |
| @Override |
| public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, |
| IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) |
| throws AlgebricksException { |
| DelegateOperator notify = (DelegateOperator) op; |
| LogicalVariable pushListVar = ((NotifyBrokerOperator) notify.getDelegate()).getPushListVar(); |
| LogicalVariable brokerVar = ((NotifyBrokerOperator) notify.getDelegate()).getBrokerEndpointVariable(); |
| LogicalVariable executionVar = ((NotifyBrokerOperator) notify.getDelegate()).getChannelExecutionVariable(); |
| LogicalVariable brokerTypeVar = ((NotifyBrokerOperator) notify.getDelegate()).getBrokerTypeVar(); |
| |
| IVariableTypeEnvironment env = context.getTypeEnvironment(op.getInputs().get(0).getValue()); |
| IAType recordType = (IAType) env.getVarType(pushListVar); |
| |
| boolean push = ((NotifyBrokerOperator) notify.getDelegate()).getPush(); |
| |
| int brokerColumn = inputSchemas[0].findVariable(brokerVar); |
| int pushColumn = inputSchemas[0].findVariable(pushListVar); |
| int executionColumn = inputSchemas[0].findVariable(executionVar); |
| int brokerTypeColumn = inputSchemas[0].findVariable(brokerTypeVar); |
| |
| IScalarEvaluatorFactory brokerEvalFactory = new ColumnAccessEvalFactory(brokerColumn); |
| IScalarEvaluatorFactory pushListEvalFactory = new ColumnAccessEvalFactory(pushColumn); |
| IScalarEvaluatorFactory channelExecutionEvalFactory = new ColumnAccessEvalFactory(executionColumn); |
| IScalarEvaluatorFactory brokerTypeEvalFactory = new ColumnAccessEvalFactory(brokerTypeColumn); |
| |
| NotifyBrokerRuntimeFactory runtime = new NotifyBrokerRuntimeFactory(brokerEvalFactory, pushListEvalFactory, |
| channelExecutionEvalFactory, brokerTypeEvalFactory, entityId, push, recordType); |
| |
| RecordDescriptor recDesc = |
| JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), propagatedSchema, context); |
| |
| builder.contributeMicroOperator(op, runtime, recDesc); |
| |
| // and contribute one edge from its child |
| ILogicalOperator src = op.getInputs().get(0).getValue(); |
| builder.contributeGraphEdge(src, 0, notify, 0); |
| } |
| |
| @Override |
| public boolean isMicroOperator() { |
| return true; |
| } |
| |
| @Override |
| public boolean expensiveThanMaterialization() { |
| return false; |
| } |
| } |