/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltdb;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import org.voltdb.VoltTable.ColumnInfo;
public class MockStatsSource extends StatsSource{
public static List<VoltTable.ColumnInfo> columns;
public static int delay = 0;
private final Object retvals[][];
private final List<VoltTable.ColumnInfo> instanceColumns;
public MockStatsSource(Object retvals[][]) {
super(false);
this.retvals = retvals;
this.instanceColumns = columns;
}
@Override
protected void populateColumnSchema(ArrayList<ColumnInfo> columnsList) {
columnsList.addAll( columns );
}
@Override
protected Iterator<Object> getStatsRowKeyIterator(boolean interval) {
return new Iterator<Object>() {
int index = 0;
@Override
public boolean hasNext() {
return index < retvals.length;
}
@Override
public Object next() {
if (index < retvals.length){
return index++;
}
throw new NoSuchElementException();
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
@Override
protected void updateStatsRow(Object rowKey, Object rowValues[]) {
try {
Thread.sleep(delay);
} catch (InterruptedException e) {
e.printStackTrace();
}
int index = (Integer)rowKey;
for (int ii = 0; ii < retvals[index].length; ii++) {
rowValues[columnNameToIndex.get(instanceColumns.get(ii).name)] = retvals[index][ii];
}
}
}