/*
 * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.unique;

import static com.google.common.base.Verify.verifyNotNull;

import java.util.Set;
import org.opendaylight.yangtools.yang.model.api.UniqueConstraint;
import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Relative;
import org.opendaylight.yangtools.yang.model.api.stmt.UniqueEffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.UniqueStatement;
import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.DeclaredEffectiveStatementBase;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;

final class UniqueEffectiveStatementImpl extends DeclaredEffectiveStatementBase<Set<Relative>, UniqueStatement>
        implements UniqueConstraint, UniqueEffectiveStatement {
    UniqueEffectiveStatementImpl(final StmtContext<Set<Relative>, UniqueStatement, ?> ctx) {
        super(ctx);
    }

    @Override
    public Set<Relative> getTag() {
        // FIXME: YANGTOOLS-908: verifyNotNull() should not be needed here
        return verifyNotNull(argument());
    }
}