CompareRelativeDateTime.java

/**
 *    Copyright (c) 2011-2014, OpenIoT
 *   
 *    This file is part of OpenIoT.
 *
 *    OpenIoT is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU Lesser General Public License as published by
 *    the Free Software Foundation, version 3 of the License.
 *
 *    OpenIoT is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public License
 *    along with OpenIoT.  If not, see <http://www.gnu.org/licenses/>.
 *
 *     Contact: OpenIoT mailto: info@openiot.eu
 */

package org.openiot.ui.request.definition.web.model.nodes.impl.comparators;

import java.io.Serializable;
import java.util.Map;
import java.util.Observable;
import java.util.Observer;

import org.openiot.ui.request.commons.annotations.Endpoint;
import org.openiot.ui.request.commons.annotations.Endpoints;
import org.openiot.ui.request.commons.annotations.GraphNodeClass;
import org.openiot.ui.request.commons.annotations.NodeProperties;
import org.openiot.ui.request.commons.annotations.NodeProperty;
import org.openiot.ui.request.commons.nodes.base.DefaultGraphNode;
import org.openiot.ui.request.commons.nodes.enums.AnchorType;
import org.openiot.ui.request.commons.nodes.enums.EndpointType;
import org.openiot.ui.request.commons.nodes.enums.PropertyType;
import org.openiot.ui.request.commons.nodes.interfaces.GraphNodeProperty;

/**
 * 
 * @author Achilleas Anagnostopoulos (aanag) email: aanag@sensap.eu
 */
@GraphNodeClass(label = "CompareRelativeDateTime", type = "COMPARATOR", scanProperties = true)
@Endpoints({ @Endpoint(type = EndpointType.Input, anchorType = AnchorType.Left, scope = "cmp_sensor_Date", label = "IN", required = true), })
@NodeProperties({ @NodeProperty(type = PropertyType.Writable, javaType = java.lang.String.class, name = "OPERATOR", allowedValues = { "<", "<=", ">", ">=" }, required = true), @NodeProperty(type = PropertyType.Writable, javaType = java.lang.Long.class, name = "CMP_VALUE", required = true), @NodeProperty(type = PropertyType.Writable, javaType = java.lang.String.class, name = "CMP_VALUE_UNIT", allowedValues = { "SECOND(S)", "MINUTE(S)", "HOUR(S)", "DAY(S)", "MONTH(S)", "YEAR(S)" }, required = true) })
public class CompareRelativeDateTime extends DefaultGraphNode implements Serializable, Observer {
	private static final long serialVersionUID = 1L;

	public CompareRelativeDateTime() {
		super();

		// Listen for property change events
		addPropertyChangeObserver(this);
	}

	public void update(Observable o, Object arg) {
		// Mutate our label
		Map<String, Object> propertyMap = getPropertyValueMap();
		if (propertyMap.get("OPERATOR") != null && propertyMap.get("CMP_VALUE") != null && propertyMap.get("CMP_VALUE_UNIT") != null) {
			String value = propertyMap.get("CMP_VALUE").toString();
			GraphNodeProperty prop = getPropertyByName("CMP_VALUE");
			if (prop.isVariable()) {
				value = prop.getVariableName();
			}
			setLabel(propertyMap.get("OPERATOR") + "<br/>" + value + " " + propertyMap.get("CMP_VALUE_UNIT"));
		} else {
			setLabel("CompareRelativeDateTime");
		}
	}
}