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/**
* 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.drill.exec.physical.impl.mergereceiver;
import static org.apache.drill.exec.compile.sig.GeneratorMapping.GM;
import org.apache.drill.exec.compile.TemplateClassDefinition;
import org.apache.drill.exec.compile.sig.MappingSet;
import org.apache.drill.exec.exception.SchemaChangeException;
import org.apache.drill.exec.ops.FragmentContext;
import org.apache.drill.exec.record.VectorAccessible;
public interface MergingReceiverGeneratorBase {
public abstract void doSetup(FragmentContext context,
VectorAccessible incoming,
VectorAccessible outgoing) throws SchemaChangeException;
public abstract int doEval(int leftIndex,
int rightIndex);
public abstract void doCopy(int inIndex, int outIndex);
public static TemplateClassDefinition<MergingReceiverGeneratorBase> TEMPLATE_DEFINITION =
new TemplateClassDefinition<>(MergingReceiverGeneratorBase.class, MergingReceiverTemplate.class);
public final MappingSet compareMapping =
new MappingSet("leftIndex", "rightIndex",
GM("doSetup", "doCompare", null, null),
GM("doSetup", "doCompare", null, null));
public final MappingSet copyMapping =
new MappingSet("inIndex", "outIndex",
GM("doSetup", "doCopy", null, null),
GM("doSetup", "doCopy", null, null));
}
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