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/********************************************************************************
* Copyright (c) 2015-2018 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* SPDX-License-Identifier: EPL-2.0
*
********************************************************************************/
package org.eclipse.mdm.api.base.model;
import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.mdm.api.base.BaseEntityManager;
import org.eclipse.mdm.api.base.adapter.Core;
import org.eclipse.mdm.api.base.query.DataAccessException;
/**
* Implementation of the measurement entity type. The measurement entity holds
* data of a measurement or an analysis. It is the linking point to the
* following related data:
*
* <ul>
* <li>To ensure any persisted measurement can always be reinterpreted it,
* always should have relations to {@link ContextRoot}s that contain the
* description of the test run. All measurement entities under the same parent
* {@link TestStep} must reference the same {@code
* ContextRoot}.</li>
* <li>The results of a test run are accessible via the children of type
* {@link ChannelGroup} and {@link Channel}.</li>
* </ul>
*
* The name of a measurement should be chosen in a speaking way. It has to be
* unique under the parent {@code TestStep}.
* <p>
*
* @since 1.0.0
* @author Viktor Stoehr, Gigatronik Ingolstadt GmbH
* @author Sebastian Dirsch, Gigatronik Ingolstadt GmbH
* @see ParameterSet
*/
public class Measurement extends BaseEntity
implements ContextDescribable, Datable, Deletable, Describable, FilesAttachable, Tagable, StatusAttachable {
// ======================================================================
// Class variables
// ======================================================================
/**
* The {@link TestStep} parent type.
*/
public static final Class<TestStep> PARENT_TYPE_TESTSTEP = TestStep.class;
/**
* The {@link ChannelGroup} child type.
*/
public static final Class<ChannelGroup> CHILD_TYPE_CHANNELGROUP = ChannelGroup.class;
/**
* The {@link ParameterSet} child type.
*/
public static final Class<ParameterSet> CHILD_TYPE_PARAMETERSET = ParameterSet.class;
/**
* The {@link Channel} child type.
*/
public static final Class<Channel> CHILD_TYPE_CHANNEL = Channel.class;
/**
* The 'MeasurementBegin' attribute name.
*/
public static final String ATTR_MEASUREMENT_BEGIN = "MeasurementBegin";
/**
* The 'MeasurementEnd' attribute name.
*/
public static final String ATTR_MEASUREMENT_END = "MeasurementEnd";
// ======================================================================
// Constructors
// ======================================================================
/**
* Constructor.
*
* @param core
* The {@link Core}.
*/
Measurement(Core core) {
super(core);
}
// ======================================================================
// Public methods
// ======================================================================
/**
* Returns the time stamp of the date when this measurement was started.
*
* @return Measurement execution start time stamp is returned.
*/
public LocalDateTime getMeasurementBegin() {
return getValue(ATTR_MEASUREMENT_BEGIN).extract();
}
/**
* Sets new time stamp for the date when this measurement was started.
*
* @param measurementBegin
* The new measurement start time stamp.
*/
public void setMeasurementBegin(LocalDateTime measurementBegin) {
getValue(ATTR_MEASUREMENT_BEGIN).set(measurementBegin);
}
/**
* Returns the time stamp of the date when this measurement was finished.
*
* @return Measurement execution end time stamp is returned.
*/
public LocalDateTime getMeasurementEnd() {
return getValue(ATTR_MEASUREMENT_END).extract();
}
/**
* Sets new time stamp for the date when this measurement was finished.
*
* @param measurementEnd
* The new measurement execution end time stamp.
*/
public void setMeasurementEnd(LocalDateTime measurementEnd) {
getValue(ATTR_MEASUREMENT_END).set(measurementEnd);
}
/**
* {@inheritDoc}
*/
@Override
public List<ContextType> loadContextTypes(BaseEntityManager manager)
throws DataAccessException {
return manager.loadContextTypes(this);
}
/**
* {@inheritDoc}
*/
@Override
public Map<ContextType, ContextRoot> loadContexts(BaseEntityManager manager, ContextType... contextTypes)
throws DataAccessException {
Map<ContextType, ContextRoot> map = new HashMap<>();
for (ContextType contextType : contextTypes) {
ContextRoot c = getCore().getMutableStore().get(ContextRoot.class, contextType);
if (c != null) {
map.put(contextType, c);
}
}
if (map.isEmpty()) {
return manager.loadContexts(this, contextTypes);
} else {
return map;
}
}
}
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