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/**
 * Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see .
 */
package org.evosuite.symbolic.solver.smt;

public final class SmtStringConstant extends SmtConstant {

	private final String stringValue;

	public SmtStringConstant(String stringValue) {
		this.stringValue = stringValue;
	}

	public String getConstantValue() {
		return stringValue;
	}
	
	@Override
	public  K accept(SmtExprVisitor v, V arg) {
		return v.visit(this,arg);
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((stringValue == null) ? 0 : stringValue.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		SmtStringConstant other = (SmtStringConstant) obj;
		if (stringValue == null) {
			if (other.stringValue != null)
				return false;
		} else if (!stringValue.equals(other.stringValue))
			return false;
		return true;
	}
}