if the resource doesn't exist add otherwise update
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/*
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* Copyright 2017 Reto Breitenmoser <reto.breitenmoser@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package li.strolch.service;
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import li.strolch.command.AddResourceCommand;
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import li.strolch.command.UpdateResourceCommand;
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import li.strolch.model.Resource;
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import li.strolch.persistence.api.StrolchTransaction;
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import li.strolch.service.api.AbstractService;
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import li.strolch.service.api.ServiceArgument;
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import li.strolch.service.api.ServiceResult;
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import li.strolch.service.api.ServiceResultState;
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/**
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* @author Reto Breitenmoser <reto.breitenmoser@gmail.com>
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*/
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public class AddOrUpdateResourceService extends AbstractService<AddOrUpdateResourceService.AddOrUpdateResourceArg, ServiceResult> {
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private static final long serialVersionUID = 1L;
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@Override
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protected ServiceResult getResultInstance() {
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return new ServiceResult(ServiceResultState.FAILED);
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}
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@Override
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protected ServiceResult internalDoService(AddOrUpdateResourceArg arg) {
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try (StrolchTransaction tx = openArgOrUserTx(arg)) {
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if (tx.getResourceMap().hasElement(tx, arg.resource.getType(), arg.resource.getId())) {
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UpdateResourceCommand updateCmd = new UpdateResourceCommand(getContainer(), tx);
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updateCmd.setResource(arg.resource);
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tx.addCommand(updateCmd);
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} else {
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AddResourceCommand addCmd = new AddResourceCommand(getContainer(), tx);
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addCmd.setResource(arg.resource);
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tx.addCommand(addCmd);
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}
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}
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return ServiceResult.success();
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}
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public static class AddOrUpdateResourceArg extends ServiceArgument {
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private static final long serialVersionUID = 1L;
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public Resource resource;
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}
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}
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