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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;
import org.eclipse.mdm.api.base.adapter.Attribute;
import org.eclipse.mdm.api.base.adapter.EntityType;
import org.eclipse.mdm.api.base.adapter.Relation;
import org.eclipse.mdm.api.base.adapter.RelationType;
public class RelationImpl implements Relation {
public enum AttributeType {
ID, UNKNOWN;
}
AttributeType type;
public RelationImpl(AttributeType type) {
this.type = type;
}
@Override
public String getName() {
return type.name();
}
@Override
public EntityType getSource() {
throw new UnsupportedOperationException();
}
@Override
public EntityType getTarget() {
throw new UnsupportedOperationException();
}
@Override
public RelationType getRelationType() {
throw new UnsupportedOperationException();
}
@Override
public Attribute getAttribute() {
switch (type) {
case ID:
return new AttributeImpl(AttributeImpl.Type.ID);
default:
throw new UnsupportedOperationException();
}
}
@Override
public boolean isOutgoing(RelationType relationType) {
return true;
}
@Override
public boolean isIncoming(RelationType relationType) {
return false;
}
@Override
public boolean isNtoM() {
return false;
}
}
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