InstanceSpecification.java

/*
 * Copyright 2013 Qubell, Inc.
 *
 * 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 com.qubell.services;

/**
 * Specification for {@link Instance} used to start a new one
 * @author Alex Krupnov
 */
public class InstanceSpecification {
    private Application application;
    private String instanceName;
    private Integer version;

    /**
     * Initializes Instance Specification with target application
     * @param application target application to use
     */
    public InstanceSpecification(Application application) {
        this.application = application;
    }

    /**
     * Initializes Instance Specification with target application and its version
     * @param application target application to use
     * @version version of application to launch
     */
    public InstanceSpecification(Application application, Integer version) {
        this.application = application;
        this.version = version;
    }

    /**
     * Initializes Instance Specification with target application, friendly name and version
     * @param application target application to use
     * @param instanceName desired instance friendly name (optional)
     * @param version desired app version (optional)
     */
    public InstanceSpecification(Application application, String instanceName, Integer version) {
        this.application = application;
        this.instanceName = instanceName;
        this.version = version;
    }

    /**
     * Application to use for instance launch
     * @return app data
     */
    public Application getApplication() {
        return application;
    }

    /**
     * Instance friendly name
     * @return name or null
     */
    public String getInstanceName() {
        return instanceName;
    }

    /**
     * Version of application to use
     * @return version or null
     */
    public Integer getVersion() {
        return version;
    }
}