/**
* 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.vector;
import org.apache.drill.exec.record.BatchSchema.SelectionVectorMode;
import org.apache.drill.exec.record.RecordBatch;
import org.apache.drill.exec.record.VectorWrapper;
public class VectorValidator {
public static void validate(RecordBatch batch) {
int count = batch.getRecordCount();
long hash = 12345;
SelectionVectorMode mode = batch.getSchema().getSelectionVectorMode();
switch(mode) {
case NONE: {
for (VectorWrapper w : batch) {
ValueVector v = w.getValueVector();
for (int i = 0; i < count; i++) {
Object obj = v.getAccessor().getObject(i);
if (obj != null) {
hash = obj.hashCode() ^ hash;
}
}
}
break;
}
case TWO_BYTE: {
for (VectorWrapper w : batch) {
ValueVector v = w.getValueVector();
for (int i = 0; i < count; i++) {
int index = batch.getSelectionVector2().getIndex(i);
Object obj = v.getAccessor().getObject(index);
if (obj != null) {
hash = obj.hashCode() ^ hash;
}
}
}
break;
}
case FOUR_BYTE: {
for (VectorWrapper w : batch) {
ValueVector[] vv = w.getValueVectors();
for (int i = 0; i < count; i++) {
int index = batch.getSelectionVector4().get(i);
ValueVector v = vv[index >> 16];
Object obj = v.getAccessor().getObject(index & 65535);
if (obj != null) {
hash = obj.hashCode() ^ hash;
}
}
}
}
}
if (hash == 0) {
System.out.println(hash);
}
}
}