/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.vm.program.listener;
import org.ethereum.vm.DataWord;
import java.util.ArrayList;
import java.util.List;
public class CompositeProgramListener implements ProgramListener {
private List<ProgramListener> listeners = new ArrayList<>();
@Override
public void onMemoryExtend(int delta) {
for (ProgramListener listener : listeners) {
listener.onMemoryExtend(delta);
}
}
@Override
public void onMemoryWrite(int address, byte[] data, int size) {
for (ProgramListener listener : listeners) {
listener.onMemoryWrite(address, data, size);
}
}
@Override
public void onStackPop() {
for (ProgramListener listener : listeners) {
listener.onStackPop();
}
}
@Override
public void onStackPush(DataWord value) {
for (ProgramListener listener : listeners) {
listener.onStackPush(value);
}
}
@Override
public void onStackSwap(int from, int to) {
for (ProgramListener listener : listeners) {
listener.onStackSwap(from, to);
}
}
@Override
public void onStoragePut(DataWord key, DataWord value) {
for (ProgramListener listener : listeners) {
listener.onStoragePut(key, value);
}
}
@Override
public void onStorageClear() {
for (ProgramListener listener : listeners) {
listener.onStorageClear();
}
}
public void addListener(ProgramListener listener) {
listeners.add(listener);
}
public boolean isEmpty() {
return listeners.isEmpty();
}
}