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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.convert;
import java.util.Collection;
import java.util.Set;
import com.google.common.collect.Sets;
import cuchaz.enigma.Util;
import cuchaz.enigma.mapping.ClassEntry;
public class ClassMatch {
public Set<ClassEntry> sourceClasses;
public Set<ClassEntry> destClasses;
public ClassMatch(Collection<ClassEntry> sourceClasses, Collection<ClassEntry> destClasses) {
this.sourceClasses = Sets.newHashSet(sourceClasses);
this.destClasses = Sets.newHashSet(destClasses);
}
public ClassMatch(ClassEntry sourceClass, ClassEntry destClass) {
sourceClasses = Sets.newHashSet();
if (sourceClass != null) {
sourceClasses.add(sourceClass);
}
destClasses = Sets.newHashSet();
if (destClass != null) {
destClasses.add(destClass);
}
}
public boolean isMatched() {
return sourceClasses.size() > 0 && destClasses.size() > 0;
}
public boolean isAmbiguous() {
return sourceClasses.size() > 1 || destClasses.size() > 1;
}
public ClassEntry getUniqueSource() {
if (sourceClasses.size() != 1) {
throw new IllegalStateException("Match has ambiguous source!");
}
return sourceClasses.iterator().next();
}
public ClassEntry getUniqueDest() {
if (destClasses.size() != 1) {
throw new IllegalStateException("Match has ambiguous source!");
}
return destClasses.iterator().next();
}
public Set<ClassEntry> intersectSourceClasses(Set<ClassEntry> classes) {
Set<ClassEntry> intersection = Sets.newHashSet(sourceClasses);
intersection.retainAll(classes);
return intersection;
}
@Override
public int hashCode() {
return Util.combineHashesOrdered(sourceClasses, destClasses);
}
@Override
public boolean equals(Object other) {
if (other instanceof ClassMatch) {
return equals((ClassMatch)other);
}
return false;
}
public boolean equals(ClassMatch other) {
return this.sourceClasses.equals(other.sourceClasses)
&& this.destClasses.equals(other.destClasses);
}
}
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