/* Invariant -- Automatically generated by TreeBuilder (2024-10-27T16:47Z) */

package de.uni_freiburg.informatik.ultimate.model.acsl.ast;

import java.util.List;
import de.uni_freiburg.informatik.ultimate.model.acsl.ACSLNode;
/**
 * Invariants (Global/Type).
 */
public abstract class Invariant extends ACSLNode {
    private static final java.util.function.Predicate<ACSLNode> VALIDATOR = 
			ACSLNode.VALIDATORS.get(Invariant.class);
    /**
     * The identifier of this invariant.
     */
    String identifier;

    /**
     * The formula of this invariant.
     */
    Expression formula;

    /**
     * The constructor taking initial values.
     * @param identifier the identifier of this invariant.
     * @param formula the formula of this invariant.
     */
    public Invariant(String identifier, Expression formula) {
        super();
        this.identifier = identifier;
        this.formula = formula;
        assert VALIDATOR == null || VALIDATOR.test(this) : "Invalid Invariant: " + this;
    }

    /**
     * Returns a textual description of this object.
     */
    public String toString() {
        StringBuffer sb = new StringBuffer();
        sb.append("Invariant").append('[');
        sb.append(identifier);
        sb.append(',').append(formula);
        return sb.append(']').toString();
    }

    /**
     * Gets the identifier of this invariant.
     * @return the identifier of this invariant.
     */
    public String getIdentifier() {
        return identifier;
    }

    /**
     * Gets the formula of this invariant.
     * @return the formula of this invariant.
     */
    public Expression getFormula() {
        return formula;
    }

    public List<ACSLNode> getOutgoingNodes() {
        List<ACSLNode> children = super.getOutgoingNodes();
        children.add(formula);
        return children;
    }

    public abstract void accept(ACSLVisitor visitor);

    public abstract Invariant accept(ACSLTransformer visitor);
}