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/*
* SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes
* Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr>
*
* This file is part of SSSync.
*
* SSSync is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* SSSync is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SSSync. If not, see <http://www.gnu.org/licenses/>
*/
package data.io.stub;
import java.util.Set;
import data.MVDataEntry;
import data.io.AbstractMVDataWriter;
/**
* Stub writer implementation for automated tests.
*
* @author lpouzenc
*/
public class StubDataWriter extends AbstractMVDataWriter {
enum OpKind { INSERT, UPDATE, DELETE };
private final int maxLogEntries;
private OpKind opLog[];
private MVDataEntry opData[];
private int cursorLog;
public StubDataWriter(int maxLogEntries) {
this.maxLogEntries = maxLogEntries;
this.opLog = new OpKind[maxLogEntries];
this.opData = new MVDataEntry[maxLogEntries];
}
@Override
public void insert(MVDataEntry newline) {
if ( cursorLog >= maxLogEntries) {
throw new IllegalStateException();
}
opLog[cursorLog]=OpKind.INSERT;
opData[cursorLog]=newline;
cursorLog++;
}
@Override
public void update(MVDataEntry updatedLine, MVDataEntry originalLine, Set<String> attrToUpdate) {
if ( cursorLog >= maxLogEntries) {
throw new IllegalStateException();
}
opLog[cursorLog]=OpKind.UPDATE;
opData[cursorLog]=updatedLine;
cursorLog++;
}
@Override
public void delete(MVDataEntry existingLine) {
if ( cursorLog >= maxLogEntries) {
throw new IllegalStateException();
}
opLog[cursorLog]=OpKind.DELETE;
opData[cursorLog]=existingLine;
cursorLog++;
}
@Override
public String toString() {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < cursorLog; i++) {
buf.append(opLog[i] + ": " + opData[i] + "\n");
}
return buf.toString();
}
/**
* @return the opLog
*/
public OpKind[] getOpLog() {
return opLog.clone();
}
/**
* @return the opData
*/
public MVDataEntry[] getOpData() {
return opData.clone();
}
}
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