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package tools.refinery.store.query;
import tools.refinery.store.query.literal.ConstantLiteral;
import tools.refinery.store.query.literal.EquivalenceLiteral;
import java.util.Objects;
public class Variable {
private final String name;
private final String uniqueName;
public Variable() {
this(null);
}
public Variable(String name) {
super();
this.name = name;
this.uniqueName = DnfUtils.generateUniqueName(name);
}
public String getName() {
return name == null ? uniqueName : name;
}
public boolean isExplicitlyNamed() {
return name != null;
}
public String getUniqueName() {
return uniqueName;
}
public ConstantLiteral isConstant(int value) {
return new ConstantLiteral(this, value);
}
public EquivalenceLiteral isEquivalent(Variable other) {
return new EquivalenceLiteral(true, this, other);
}
public EquivalenceLiteral notEquivalent(Variable other) {
return new EquivalenceLiteral(false, this, other);
}
@Override
public String toString() {
return getName();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Variable variable = (Variable) o;
return Objects.equals(uniqueName, variable.uniqueName);
}
@Override
public int hashCode() {
return Objects.hash(uniqueName);
}
}
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