90 lines
2.3 KiB
Java
90 lines
2.3 KiB
Java
/*
|
|
* Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* 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 li.strolch.persistence.api;
|
|
|
|
import java.text.MessageFormat;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
import li.strolch.agent.api.OrderMap;
|
|
import li.strolch.exception.StrolchException;
|
|
import li.strolch.model.Order;
|
|
import li.strolch.service.api.Command;
|
|
import li.strolch.utils.dbc.DBC;
|
|
|
|
/**
|
|
* @author Robert von Burg <eitch@eitchnet.ch>
|
|
*/
|
|
public class AddOrdersCommand extends Command {
|
|
|
|
private List<Order> orders = new ArrayList<>();
|
|
private final List<Order> added = new ArrayList<>();
|
|
|
|
public AddOrdersCommand(StrolchTransaction tx) {
|
|
super(tx);
|
|
}
|
|
|
|
/**
|
|
* @param orders
|
|
* the orders to set for adding
|
|
*/
|
|
public void setOrders(List<Order> orders) {
|
|
this.orders = orders;
|
|
}
|
|
|
|
/**
|
|
* @param resource
|
|
* the resource to add for adding
|
|
*/
|
|
public void addOrder(Order resource) {
|
|
this.orders.add(resource);
|
|
}
|
|
|
|
@Override
|
|
public void validate() {
|
|
DBC.PRE.assertNotNull("Orders may not be null!", this.orders);
|
|
}
|
|
|
|
@Override
|
|
public void doCommand() {
|
|
|
|
this.orders.forEach(resource -> tx().lock(resource));
|
|
|
|
OrderMap resourceMap = tx().getOrderMap();
|
|
|
|
this.orders.forEach(resource -> {
|
|
if (resourceMap.hasElement(tx(), resource.getType(), resource.getId())) {
|
|
String msg = MessageFormat.format("The Order {0} already exists!", resource.getLocator());
|
|
throw new StrolchException(msg);
|
|
}
|
|
|
|
resourceMap.add(tx(), resource);
|
|
this.added.add(resource);
|
|
});
|
|
}
|
|
|
|
@Override
|
|
public void undo() {
|
|
if (tx().isRollingBack() && !this.added.isEmpty()) {
|
|
this.added.forEach(resource -> {
|
|
OrderMap resourceMap = tx().getOrderMap();
|
|
if (resourceMap.hasElement(tx(), resource.getType(), resource.getId()))
|
|
resourceMap.remove(tx(), resource);
|
|
});
|
|
}
|
|
}
|
|
}
|