/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.kie.server.controller.impl.storage;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.kie.server.controller.api.model.spec.ServerTemplate;
import org.kie.server.controller.api.storage.KieServerTemplateStorage;
import org.kie.server.controller.api.model.spec.ServerTemplateKey;
public class InMemoryKieServerTemplateStorage implements KieServerTemplateStorage {
private static InMemoryKieServerTemplateStorage INSTANCE = new InMemoryKieServerTemplateStorage();
private Map<String, ServerTemplate> store = new ConcurrentHashMap<String, ServerTemplate>();
private Map<String, org.kie.server.controller.api.model.spec.ServerTemplateKey> storeKeys = new ConcurrentHashMap<String, org.kie.server.controller.api.model.spec.ServerTemplateKey>();
protected InMemoryKieServerTemplateStorage() {
}
public static InMemoryKieServerTemplateStorage getInstance() {
return INSTANCE;
}
@Override
public ServerTemplate store(ServerTemplate serverTemplate) {
synchronized (store) {
storeKeys.put(serverTemplate.getId(), new ServerTemplateKey(serverTemplate.getId(), serverTemplate.getName()));
return store.put(serverTemplate.getId(), serverTemplate);
}
}
@Override
public List<org.kie.server.controller.api.model.spec.ServerTemplateKey> loadKeys() {
return new ArrayList<org.kie.server.controller.api.model.spec.ServerTemplateKey>(storeKeys.values());
}
@Override
public List<ServerTemplate> load() {
return new ArrayList<ServerTemplate>(store.values());
}
@Override
public ServerTemplate load(String identifier) {
return store.get(identifier);
}
@Override
public boolean exists(String identifier) {
return store.containsKey(identifier);
}
@Override
public ServerTemplate update(ServerTemplate serverTemplate) {
synchronized (store) {
delete(serverTemplate.getId());
store(serverTemplate);
}
return serverTemplate;
}
@Override
public ServerTemplate delete(String identifier) {
synchronized (store) {
storeKeys.remove(identifier);
return store.remove(identifier);
}
}
public void clear() {
synchronized (store) {
this.store.clear();
this.storeKeys.clear();
}
}
}