| /* |
| * Copyright 2009-2013 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.hyracks.algebricks.core.algebra.base; |
| |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements; |
| import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext; |
| |
| public interface IPhysicalOperator { |
| |
| public PhysicalOperatorTag getOperatorTag(); |
| |
| /** |
| * @param op |
| * the logical operator this physical operator annotates |
| * @param reqdByParent |
| * parent's requirements, which are not enforced for now, as we |
| * only explore one plan |
| * @return for each child, one vector of required physical properties |
| */ |
| public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, |
| IPhysicalPropertiesVector reqdByParent); |
| |
| /** |
| * @return the physical properties that this operator delivers, based on |
| * what its children deliver |
| */ |
| public IPhysicalPropertiesVector getDeliveredProperties(); |
| |
| public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) |
| throws AlgebricksException; |
| |
| public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, |
| IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) |
| throws AlgebricksException; |
| |
| public void disableJobGenBelowMe(); |
| |
| public boolean isJobGenDisabledBelowMe(); |
| |
| public boolean isMicroOperator(); |
| |
| public void setHostQueryContext(Object context); |
| |
| public Object getHostQueryContext(); |
| } |