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/*******************************************************************************
* Copyright (c) 2013 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.core.internal.relation;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.osee.framework.core.data.IArtifactType;
import org.eclipse.osee.framework.core.data.IRelationType;
import org.eclipse.osee.framework.core.enums.RelationSide;
import org.eclipse.osee.framework.core.enums.RelationTypeMultiplicity;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeStateException;
import org.eclipse.osee.framework.core.util.Conditions;
import org.eclipse.osee.orcs.core.internal.util.MultiplicityState;
import org.eclipse.osee.orcs.data.RelationTypes;
/**
* @author Roberto E. Escobar
* @author Megumi Telles
*/
public class RelationTypeValidity {
private final RelationTypes relationTypes;
public RelationTypeValidity(RelationTypes relationTypes) {
super();
this.relationTypes = relationTypes;
}
public void checkRelationTypeMultiplicity(IRelationType type, RelationNode node, RelationSide side, int count) throws OseeCoreException {
MultiplicityState state = getRelationMultiplicityState(type, side, count);
switch (state) {
case MAX_VIOLATION:
throw new OseeStateException("Relation type [%s] on [%s] exceeds max occurrence rule on [%s]", type, side,
node.getExceptionString());
case MIN_VIOLATION:
throw new OseeStateException("Relation type [%s] on [%s] is less than min occurrence rule on [%s]", type,
side, node.getExceptionString());
default:
break;
}
}
public void checkRelationTypeValid(IRelationType type, RelationNode node, RelationSide side) throws OseeCoreException {
Conditions.checkNotNull(type, "type");
Conditions.checkNotNull(node, "node");
Conditions.checkNotNull(side, "relationSide");
IArtifactType artifactType = node.getArtifactType();
boolean isValid = isRelationTypeValid(type, artifactType, side);
Conditions.checkExpressionFailOnTrue(
!isValid,
"Relation validity error for [%s] - ArtifactType [%s] does not belong on side [%s] of relation [%s] - only items of type [%s] are allowed",
node.getExceptionString(), artifactType, side.name(), type, relationTypes.getArtifactType(type, side));
}
public int getMaximumRelationsAllowed(IRelationType type, IArtifactType artifactType, RelationSide side) throws OseeCoreException {
Conditions.checkNotNull(type, "relationType");
Conditions.checkNotNull(artifactType, "artifactType");
Conditions.checkNotNull(side, "relationSide");
checkTypeExists(type);
int toReturn = 0;
if (relationTypes.isArtifactTypeAllowed(type, side, artifactType)) {
toReturn = relationTypes.getMultiplicity(type).getLimit(side);
}
return toReturn;
}
public MultiplicityState getRelationMultiplicityState(IRelationType type, RelationSide side, int count) throws OseeCoreException {
Conditions.checkNotNull(type, "type");
Conditions.checkNotNull(side, "relationSide");
checkTypeExists(type);
RelationTypeMultiplicity multiplicity = relationTypes.getMultiplicity(type);
MultiplicityState toReturn = MultiplicityState.IS_VALID;
int limit = multiplicity.getLimit(side);
if (count > limit) {
toReturn = MultiplicityState.MAX_VIOLATION;
}
return toReturn;
}
public boolean isRelationTypeValid(IRelationType relationType, IArtifactType artifactType, RelationSide relationSide) throws OseeCoreException {
checkTypeExists(relationType);
Conditions.checkNotNull(artifactType, "artifactType");
Conditions.checkNotNull(relationSide, "relationSide");
return getRelationSideMax(relationType, artifactType, relationSide) > 0;
}
public List<IRelationType> getValidRelationTypes(IArtifactType artifactType) throws OseeCoreException {
Conditions.checkNotNull(artifactType, "artifactType");
Collection<? extends IRelationType> types = relationTypes.getAll();
List<IRelationType> toReturn = new ArrayList<IRelationType>();
for (IRelationType relationType : types) {
if (isTypeAllowed(artifactType, relationType)) {
toReturn.add(relationType);
}
}
return toReturn;
}
private boolean isTypeAllowed(IArtifactType artifactType, IRelationType relationType) throws OseeCoreException {
boolean result = false;
for (RelationSide side : RelationSide.values()) {
int sideMax = getRelationSideMax(relationType, artifactType, side);
if (sideMax > 0) {
result = true;
break;
}
}
return result;
}
private void checkTypeExists(IRelationType type) throws OseeCoreException {
boolean exists = relationTypes.exists(type);
Conditions.checkExpressionFailOnTrue(!exists, "relationType [%s] does not exist", type);
}
private int getRelationSideMax(IRelationType relationType, IArtifactType artifactType, RelationSide relationSide) throws OseeCoreException {
int toReturn = 0;
if (relationTypes.isArtifactTypeAllowed(relationType, relationSide, artifactType)) {
toReturn = relationTypes.getMultiplicity(relationType).getLimit(relationSide);
}
return toReturn;
}
}
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