io.cloudslang.engine.node.services.WorkersMBean.java Source code

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Here is the source code for io.cloudslang.engine.node.services.WorkersMBean.java

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/*******************************************************************************
* (c) Copyright 2014 Hewlett-Packard Development Company, L.P.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License v2.0 which accompany this distribution.
*
* The Apache License is available at
* http://www.apache.org/licenses/LICENSE-2.0
*
*******************************************************************************/

package io.cloudslang.engine.node.services;

import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jmx.export.annotation.ManagedAttribute;
import org.springframework.jmx.export.annotation.ManagedOperation;
import org.springframework.jmx.export.annotation.ManagedResource;

import java.io.IOException;

/**
 * User:
 * Date: 2/9/13
 */
@ManagedResource(description = "Worker Nodes Managing API")
public class WorkersMBean {
    @Autowired

    private WorkerNodeService workerNodeService;

    private ObjectMapper mapper;

    private ObjectMapper objectMapper() {
        if (mapper == null) {
            mapper = new ObjectMapper();

            mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
            mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        }
        return mapper;
    }

    @ManagedAttribute(description = "Number of active workers")
    public int getActiveWorkers() {
        return workerNodeService.readWorkersByActivation(true).size();
    }

    @ManagedAttribute(description = "Number of all registered workers")
    public int getTotalWorkers() {
        return workerNodeService.readAllWorkers().size();
    }

    @ManagedOperation(description = "Returns a list of all registered workers")
    public String showWorkers() throws IOException {
        ObjectWriter objectWriter = objectMapper().writerWithDefaultPrettyPrinter();
        return objectWriter.writeValueAsString(workerNodeService.readAllWorkers());
    }

    /*I remove this due to security issue this present*/
    /*   @ManagedOperation(description = "Activates specified worker")
       @ManagedOperationParameters(
     @ManagedOperationParameter(name = "worker UUID", description = "Worker UUID to be activated")
       )
       public void activateWorker(String workerUuid){
          workerNodeService.activate(workerUuid);
       }
        
       @ManagedOperation(description = "Deactivates specified worker")
       @ManagedOperationParameters(
     @ManagedOperationParameter(name = "worker UUID", description = "Worker UUID to be deactivated")
       )
       public void deactivateWorker(String workerUuid){
          workerNodeService.deactivate(workerUuid);
       }*/
}