LaunchInstanceRequestBuilder.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.ws;

import org.apache.commons.lang.StringUtils;

/**
 * Builder for launch instance request, see {@link ApplicationService#launch(String, String, Integer, String, long, java.util.Map)}
 * @author Alex Krupnov
 */
public class LaunchInstanceRequestBuilder extends AbstractRequestBuilder<LaunchInstanceRequestBuilder> {
    private static final String VERSION_KEY = "version";
    private static final String ENVIRONMENT_KEY = "environmentId";
    private static final String DESTROY_INTERVAL_KEY = "destroyInterval";
    private static final String INSTANCE_NAME_KEY = "instanceName";

    public LaunchInstanceRequestBuilder() {
    }

    /**
     * Adds version (if not null)
     * @param value of version
     * @return builder itself
     */
    public LaunchInstanceRequestBuilder addVersion(Integer value) {
        if (value != null && value > 0) {
            targetFields.put(VERSION_KEY, value);
        }
        return this;
    }

    /**
     * Adds environment id (if not null)
     * @param value value of env id
     * @return builder itself
     */
    public LaunchInstanceRequestBuilder addEnvironmentId(String value) {
        if (!StringUtils.isBlank(value)) {
            targetFields.put(ENVIRONMENT_KEY, value);
        }
        return this;
    }

    /**
     * Adds destroy interval (if valid)
     * Valid destroy interval lies between -1 (never destroyed) to maximum long value
     * @param value value of interval
     * @return builder itself
     */
    public LaunchInstanceRequestBuilder addDestroyInterval(long value) {
        if (value >= -1) {
            targetFields.put(DESTROY_INTERVAL_KEY, value);
        }
        return this;
    }

    /**
     * Adds instance friendly name (if not null)
     * @param value friendly name
     * @return builder itself
     */
    public LaunchInstanceRequestBuilder addInstanceName(String value) {
        if (!StringUtils.isBlank(value)) {
            targetFields.put(INSTANCE_NAME_KEY, value);
        }
        return this;
    }

}