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/*******************************************************************************
* Copyright (c) 2014 École Polytechnique de Montréal
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Guilliano Molaire - Initial API and implementation
* Mathieu Rail - Initial API and implementation
*******************************************************************************/
package org.eclipse.tracecompass.tmf.core.analysis;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.tracecompass.tmf.core.analysis.TmfAnalysisRequirement.ValuePriorityLevel;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.SetMultimap;
/**
* Helper class to simplify analysis requirement management.
*
* @author Guilliano Molaire
* @since 3.0
*/
public final class TmfAnalysisRequirementHelper {
/**
* Private constructor. The class should not be instantiated.
*/
private TmfAnalysisRequirementHelper() {
}
/**
* Gets the requirement values of a given type from an analysis requirement
* provider. Only values linked to the type will be returned.
*
* @param provider
* The analysis requirement provider
* @param type
* The type of the requirement values we need
* @return The list of values for the specified type
*/
public static Set<String> getRequirementValues(IAnalysisRequirementProvider provider, String type) {
Set<String> values = new HashSet<>();
for (TmfAnalysisRequirement requirement : provider.getAnalysisRequirements()) {
if (requirement.getType().equalsIgnoreCase(type)) {
values.addAll(requirement.getValues());
}
}
return values;
}
/**
* Gets the requirement values of a given type from an analysis requirement
* provider, with the specified level. Only values associated with that type
* and level will be returned.
*
* @param provider
* The analysis requirement provider
* @param type
* The type of the requirement values we need
* @param level
* The priority level of the values to be returned
* @return The list of values for the specified type
*/
public static Set<String> getRequirementValues(IAnalysisRequirementProvider provider, String type, ValuePriorityLevel level) {
Set<String> values = new HashSet<>();
for (TmfAnalysisRequirement requirement : provider.getAnalysisRequirements()) {
if (requirement.getType().equalsIgnoreCase(type)) {
for (String value : requirement.getValues()) {
if (requirement.getValueLevel(value) == level) {
values.add(value);
}
}
}
}
return values;
}
/**
* Gets a map in which the keys are the types of different requirements and
* the values represent a set of requirement values linked to that type.
*
* @param providers
* The set of analysis requirement provider
* @return A map with the values keyed by type
*/
public static SetMultimap<String, String> getRequirementValuesMap(Iterable<IAnalysisRequirementProvider> providers) {
SetMultimap<String, String> valuesByType = HashMultimap.create();
for (IAnalysisRequirementProvider provider : providers) {
for (TmfAnalysisRequirement requirement : provider.getAnalysisRequirements()) {
valuesByType.putAll(requirement.getType(), requirement.getValues());
}
}
return valuesByType;
}
/**
* Gets a map in which the keys are the types of different requirements and
* the values represents a list of requirement values linked to that type.
* We only take values with the same priority level as the argument.
*
* @param providers
* The set of analysis requirement provider
* @param level
* The priority level of the values to be returned
* @return A map with the values keyed by type
*/
public static SetMultimap<String, String> getRequirementValuesMap(Iterable<IAnalysisRequirementProvider> providers, ValuePriorityLevel level) {
SetMultimap<String, String> valuesByType = HashMultimap.create();
for (IAnalysisRequirementProvider provider : providers) {
for (TmfAnalysisRequirement requirement : provider.getAnalysisRequirements()) {
/* Since it's a set, there will be no duplicate */
for (String value : requirement.getValues()) {
if (requirement.getValueLevel(value) == level) {
valuesByType.put(requirement.getType(), value);
}
}
}
}
return valuesByType;
}
}
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