+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.key;
+
+import java.util.Collection;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractDeclaredStatement.WithRawArgument;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+
+abstract class AbstractKeyStatement extends WithRawArgument<Collection<SchemaNodeIdentifier>> implements KeyStatement {
+ final @NonNull Object argument;
+
+ AbstractKeyStatement(final StmtContext<Collection<SchemaNodeIdentifier>, ?, ?> context) {
+ super(context);
+ this.argument = KeyStatementSupport.maskCollection(context.coerceStatementArgument());
+ }
+
+ @Override
+ public final @NonNull Collection<SchemaNodeIdentifier> argument() {
+ return KeyStatementSupport.unmaskCollection(argument);
+ }
+}