2 * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.min_elements;
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
12 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
14 import org.opendaylight.yangtools.yang.model.api.stmt.MinElementsEffectiveStatement;
15 import org.opendaylight.yangtools.yang.model.api.stmt.MinElementsStatement;
16 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseInternedStatementSupport;
17 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
18 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
19 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
21 public final class MinElementsStatementSupport
22 extends BaseInternedStatementSupport<Integer, MinElementsStatement, MinElementsEffectiveStatement> {
23 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
24 YangStmtMapping.MIN_ELEMENTS)
26 private static final MinElementsStatementSupport INSTANCE = new MinElementsStatementSupport();
28 private MinElementsStatementSupport() {
29 super(YangStmtMapping.MIN_ELEMENTS);
32 public static MinElementsStatementSupport getInstance() {
37 public Integer parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
39 return Integer.valueOf(value);
40 } catch (NumberFormatException e) {
41 throw new SourceException("Invalid min-elements argument", ctx.sourceReference(), e);
46 protected SubstatementValidator getSubstatementValidator() {
47 return SUBSTATEMENT_VALIDATOR;
51 protected MinElementsStatement createDeclared(final Integer argument,
52 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
53 return new RegularMinElementsStatement(argument, substatements);
57 protected MinElementsStatement createEmptyDeclared(final Integer argument) {
58 return new EmptyMinElementsStatement(argument);
62 protected MinElementsEffectiveStatement createEffective(final MinElementsStatement declared,
63 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
64 return new RegularMinElementsEffectiveStatement(declared, substatements);
68 protected MinElementsEffectiveStatement createEmptyEffective(final MinElementsStatement declared) {
69 return new EmptyMinElementsEffectiveStatement(declared);