/
GenericCopierFactory.java
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/
GenericCopierFactory.java
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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.svremover;
import org.apache.drill.exec.record.RecordBatch;
import org.apache.drill.exec.record.VectorContainer;
import org.apache.drill.exec.vector.SchemaChangeCallBack;
public class GenericCopierFactory {
//private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(GenericCopierFactory.class);
public static Copier createAndSetupCopier(RecordBatch incoming, VectorContainer outputContainer,
SchemaChangeCallBack callBack) {
Copier copier;
switch(incoming.getSchema().getSelectionVectorMode()){
case NONE:
copier = new StraightCopier(incoming, outputContainer, callBack);
break;
case TWO_BYTE:
copier = new GenericSV2Copier(incoming, outputContainer, callBack);
break;
case FOUR_BYTE:
copier = new GenericSV4Copier(incoming, outputContainer, callBack);
break;
default:
throw new UnsupportedOperationException();
}
copier.setup(incoming, outputContainer);
return copier;
}
public static Copier createAndSetupNonSVGenericCopier(RecordBatch incoming, VectorContainer outputContainer) {
Copier copier = new GenericCopier();
copier.setup(incoming, outputContainer);
return copier;
}
}