org.fabric3.fabric.container.command.DisposeResourcesCommandExecutor Maven / Gradle / Ivy

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/*
 * Fabric3
 * Copyright (c) 2009-2015 Metaform Systems
 *
 * 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.
 *
 * Portions originally based on Apache Tuscany 2007
 * licensed under the Apache 2.0 license.
 */
package org.fabric3.fabric.container.command;

import java.util.Map;

import org.fabric3.api.host.Fabric3Exception;
import org.fabric3.spi.container.builder.ResourceBuilder;
import org.fabric3.spi.model.physical.PhysicalResource;
import org.oasisopen.sca.annotation.EagerInit;
import org.oasisopen.sca.annotation.Init;
import org.oasisopen.sca.annotation.Reference;

/**
 * Removes a resource on a runtime.
 */
@EagerInit
public class DisposeResourcesCommandExecutor implements CommandExecutor {
    private Map, ResourceBuilder> builders;
    private CommandExecutorRegistry executorRegistry;

    public DisposeResourcesCommandExecutor(@Reference CommandExecutorRegistry registry) {
        this.executorRegistry = registry;
    }

    @Reference(required = false)
    public void setBuilders(Map, ResourceBuilder> builders) {
        this.builders = builders;
    }

    public void execute(DisposeResourcesCommand command) throws Fabric3Exception {
        command.getPhysicalResources().forEach(this::build);
    }

    @Init
    public void init() {
        executorRegistry.register(DisposeResourcesCommand.class, this);
    }

    @SuppressWarnings("unchecked")
    public void build(PhysicalResource physicalResource) {
        ResourceBuilder builder = builders.get(physicalResource.getClass());
        if (builder == null) {
            throw new Fabric3Exception("Builder not found for " + physicalResource.getClass().getName());
        }
        builder.remove(physicalResource);
    }

}