Package org.apache.camel.component.aws.swf

Source Code of org.apache.camel.component.aws.swf.CamelSWFActivityClient

/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.component.aws.swf;

import com.amazonaws.services.simpleworkflow.flow.DynamicActivitiesClient;
import com.amazonaws.services.simpleworkflow.flow.DynamicActivitiesClientImpl;
import com.amazonaws.services.simpleworkflow.flow.core.Promise;
import com.amazonaws.services.simpleworkflow.model.ActivityType;

public class CamelSWFActivityClient {
    private final DynamicActivitiesClient dynamicActivitiesClient;
    private SWFConfiguration configuration;

    public CamelSWFActivityClient(SWFConfiguration configuration) {
        this.configuration = configuration;
        dynamicActivitiesClient = getDynamicActivitiesClient();
    }

    public Object scheduleActivity(String eventName, String version, Object input) {
        ActivityType activity = new ActivityType();
        activity.setName(eventName);
        activity.setVersion(version);

        Promise[] promises = asPromiseArray(input);
        Promise<?> promise = dynamicActivitiesClient.scheduleActivity(activity, promises, configuration.getActivitySchedulingOptions(), Object.class, null);
        return promise;
    }

    protected Promise[] asPromiseArray(Object input) {
        Promise[] promises;
        if (input instanceof Object[]) {
            Object[] inputArray = (Object[])input;
            promises = new Promise[inputArray.length];
            for (int i = 0; i < inputArray.length; i++) {
                promises[i] = Promise.asPromise(inputArray[i]);
            }
        } else {
            promises = new Promise[1];
            if (input instanceof Promise) {
                promises[0] = (Promise) input;
            } else {
                promises[0] = Promise.asPromise(input);
            }
        }
        return promises;
    }

    DynamicActivitiesClient getDynamicActivitiesClient() {
        return new DynamicActivitiesClientImpl();
    }

}
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