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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.term;
import org.jetbrains.annotations.Nullable;
import tools.refinery.store.query.literal.ConstantLiteral;
import tools.refinery.store.query.literal.EquivalenceLiteral;
public final class NodeVariable extends Variable {
NodeVariable(@Nullable String name) {
super(name);
}
@Override
public NodeSort getSort() {
return NodeSort.INSTANCE;
}
@Override
public NodeVariable renew(@Nullable String name) {
return Variable.of(name);
}
@Override
public NodeVariable renew() {
return renew(getExplicitName());
}
@Override
public NodeVariable asNodeVariable() {
return this;
}
@Override
public <T> DataVariable<T> asDataVariable(Class<T> type) {
throw new IllegalStateException("%s is a node variable".formatted(this));
}
public ConstantLiteral isConstant(int value) {
return new ConstantLiteral(this, value);
}
public EquivalenceLiteral isEquivalent(NodeVariable other) {
return new EquivalenceLiteral(true, this, other);
}
public EquivalenceLiteral notEquivalent(NodeVariable other) {
return new EquivalenceLiteral(false, this, other);
}
}
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