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/*******************************************************************************
 *
 *	Copyright (c) 2016 Fujitsu Services Ltd.
 *
 *	Author: Nick Battle
 *
 *	This file is part of VDMJ.
 *
 *	VDMJ is free software: you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation, either version 3 of the License, or
 *	(at your option) any later version.
 *
 *	VDMJ 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 General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with VDMJ.  If not, see .
 *	SPDX-License-Identifier: GPL-3.0-or-later
 *
 ******************************************************************************/

package com.fujitsu.vdmj.pog;

import com.fujitsu.vdmj.po.expressions.POIotaExpression;

public class UniqueExistenceObligation extends ProofObligation
{
	public UniqueExistenceObligation(POIotaExpression poIotaExpression, POContextStack ctxt)
	{
		super(poIotaExpression.location, POType.UNIQUE_EXISTENCE, ctxt);
		StringBuilder sb = new StringBuilder();

		sb.append("exists1 ");
		sb.append(poIotaExpression.bind);
		sb.append(" & ");
		sb.append(poIotaExpression.predicate);

		value = ctxt.getObligation(sb.toString());
	}
}