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/*******************************************************************************
* Copyright (c) 2009 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.framework.core.model.internal.fields;
import org.eclipse.osee.framework.core.model.AbstractOseeField;
import org.eclipse.osee.framework.jdk.core.type.Id;
import org.eclipse.osee.framework.jdk.core.type.OseeStateException;
import org.eclipse.osee.framework.jdk.core.util.Compare;
/**
* @author Roberto E. Escobar
*/
public final class UniqueIdField extends AbstractOseeField<Long> {
private Long value;
public UniqueIdField() {
super();
this.value = Id.SENTINEL;
isDirty = true;
}
@Override
public void set(Long value) {
if (Id.SENTINEL.equals(get())) {
isDirty |= Compare.isDifferent(get(), value);
this.value = value;
} else {
throw new OseeStateException("can not change the type id once it has been set");
}
}
@Override
public Long get() {
return value;
}
}
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