/*
* 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.net.swarm;
/**
* Manages the local ChunkStore
*
* Uses {@link DBStore} for slow access long living data
* and {@link MemStore} for fast access short living
*
* Created by Anton Nashatyrev on 18.06.2015.
*/
public class LocalStore implements ChunkStore {
public ChunkStore dbStore;
ChunkStore memStore;
public LocalStore(ChunkStore dbStore, ChunkStore memStore) {
this.dbStore = dbStore;
this.memStore = memStore;
}
@Override
public void put(Chunk chunk) {
memStore.put(chunk);
// TODO make sure this is non-blocking call
dbStore.put(chunk);
}
@Override
public Chunk get(Key key) {
Chunk chunk = memStore.get(key);
if (chunk == null) {
chunk = dbStore.get(key);
}
return chunk;
}
// for testing
public void clean() {
for (ChunkStore chunkStore : new ChunkStore[]{dbStore, memStore}) {
if (chunkStore instanceof MemStore) {
((MemStore)chunkStore).clear();
}
}
}
}