gr.uom.java.xmi.decomposition.replacement.MergeVariableReplacement Maven / Gradle / Ivy

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package gr.uom.java.xmi.decomposition.replacement;

import java.util.LinkedHashSet;
import java.util.Set;

public class MergeVariableReplacement extends Replacement {
	private Set mergedVariables;
	
	public MergeVariableReplacement(Set mergedVariables, String newVariable) {
		super(mergedVariables.toString(), newVariable, ReplacementType.MERGE_VARIABLES);
		this.mergedVariables = mergedVariables;
	}

	public Set getMergedVariables() {
		return mergedVariables;
	}

	public boolean equal(MergeVariableReplacement other) {
		return this.getAfter().equals(other.getAfter()) &&
				this.mergedVariables.containsAll(other.mergedVariables) &&
				other.mergedVariables.containsAll(this.mergedVariables);
	}

	public boolean commonAfter(MergeVariableReplacement other) {
		Set interestion = new LinkedHashSet(this.mergedVariables);
		interestion.retainAll(other.mergedVariables);
		return this.getAfter().equals(other.getAfter()) && interestion.size() == 0;
	}

	public boolean subsumes(MergeVariableReplacement other) {
		return this.getAfter().equals(other.getAfter()) &&
				this.mergedVariables.containsAll(other.mergedVariables) &&
				this.mergedVariables.size() > other.mergedVariables.size();
	}
}