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/**
 * Copyright © 2014-2021 The SiteWhere Authors
 *
 * 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.sitewhere.microservice.context;

import java.util.ArrayList;
import java.util.List;

import com.sitewhere.spi.SiteWhereException;
import com.sitewhere.spi.device.IDeviceAssignment;
import com.sitewhere.spi.device.event.IDeviceAlert;
import com.sitewhere.spi.device.event.IDeviceCommandInvocation;
import com.sitewhere.spi.device.event.IDeviceCommandResponse;
import com.sitewhere.spi.device.event.IDeviceEvent;
import com.sitewhere.spi.device.event.IDeviceLocation;
import com.sitewhere.spi.device.event.IDeviceMeasurement;
import com.sitewhere.spi.device.event.request.IDeviceAlertCreateRequest;
import com.sitewhere.spi.device.event.request.IDeviceLocationCreateRequest;
import com.sitewhere.spi.device.event.request.IDeviceMeasurementCreateRequest;
import com.sitewhere.spi.microservice.context.ISiteWhereContext;

/**
 * Default context implementation.
 */
public class SiteWhereContext implements ISiteWhereContext {

    /** Current assignment for device */
    private IDeviceAssignment deviceAssignment;

    /** Measurements that have not been persisted */
    private List unsavedDeviceMeasurements = new ArrayList();

    /** Locations that have not been persisted */
    private List unsavedDeviceLocations = new ArrayList();

    /** Alerts that have not been persisted */
    private List unsavedDeviceAlerts = new ArrayList();

    /** Measurements that have been persisted */
    private List deviceMeasurements = new ArrayList();

    /** Locations that have been persisted */
    private List deviceLocations = new ArrayList();

    /** Alerts that have been persisted */
    private List deviceAlerts = new ArrayList();

    /** Command invocations that have been persisted */
    private List deviceCommandInvocations = new ArrayList();

    /** Command responses that have been persisted */
    private List deviceCommandResponses = new ArrayList();

    /** Information for replying to originator */
    private String replyTo;

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getDeviceAssignment()
     */
    public IDeviceAssignment getDeviceAssignment() {
	return deviceAssignment;
    }

    public void setDeviceAssignment(IDeviceAssignment deviceAssignment) {
	this.deviceAssignment = deviceAssignment;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getUnsavedDeviceMeasurements()
     */
    public List getUnsavedDeviceMeasurements() {
	return unsavedDeviceMeasurements;
    }

    public void setUnsavedDeviceMeasurements(List unsavedDeviceMeasurements) {
	this.unsavedDeviceMeasurements = unsavedDeviceMeasurements;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getUnsavedDeviceLocations()
     */
    public List getUnsavedDeviceLocations() {
	return unsavedDeviceLocations;
    }

    public void setUnsavedDeviceLocations(List unsavedDeviceLocations) {
	this.unsavedDeviceLocations = unsavedDeviceLocations;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getUnsavedDeviceAlerts()
     */
    public List getUnsavedDeviceAlerts() {
	return unsavedDeviceAlerts;
    }

    public void setUnsavedDeviceAlerts(List unsavedDeviceAlerts) {
	this.unsavedDeviceAlerts = unsavedDeviceAlerts;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getDeviceMeasurements()
     */
    public List getDeviceMeasurements() {
	return deviceMeasurements;
    }

    public void setDeviceMeasurements(List deviceMeasurements) {
	this.deviceMeasurements = deviceMeasurements;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getDeviceLocations()
     */
    public List getDeviceLocations() {
	return deviceLocations;
    }

    public void setDeviceLocations(List deviceLocations) {
	this.deviceLocations = deviceLocations;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getDeviceAlerts()
     */
    public List getDeviceAlerts() {
	return deviceAlerts;
    }

    public void setDeviceAlerts(List deviceAlerts) {
	this.deviceAlerts = deviceAlerts;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getDeviceCommandInvocations()
     */
    public List getDeviceCommandInvocations() {
	return deviceCommandInvocations;
    }

    public void setDeviceCommandInvocations(List deviceCommandInvocations) {
	this.deviceCommandInvocations = deviceCommandInvocations;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getDeviceCommandResponses()
     */
    public List getDeviceCommandResponses() {
	return deviceCommandResponses;
    }

    public void setDeviceCommandResponses(List deviceCommandResponses) {
	this.deviceCommandResponses = deviceCommandResponses;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.spi.ISiteWhereContext#getReplyTo()
     */
    public String getReplyTo() {
	return replyTo;
    }

    public void setReplyTo(String replyTo) {
	this.replyTo = replyTo;
    }

    /**
     * Helper function for add an arbitrary device event.
     * 
     * @param event
     * @throws SiteWhereException
     */
    public void addDeviceEvent(IDeviceEvent event) throws SiteWhereException {
	if (event instanceof IDeviceMeasurement) {
	    getDeviceMeasurements().add((IDeviceMeasurement) event);
	} else if (event instanceof IDeviceLocation) {
	    getDeviceLocations().add((IDeviceLocation) event);
	} else if (event instanceof IDeviceAlert) {
	    getDeviceAlerts().add((IDeviceAlert) event);
	} else if (event instanceof IDeviceCommandInvocation) {
	    getDeviceCommandInvocations().add((IDeviceCommandInvocation) event);
	} else if (event instanceof IDeviceCommandResponse) {
	    getDeviceCommandResponses().add((IDeviceCommandResponse) event);
	} else {
	    throw new SiteWhereException("Context does not support event type: " + event.getClass().getName());
	}
    }
}