Intern low-cardinality statement arguments
[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / RequireInstanceStatementImpl.java
1 /*
2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
3  *
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
7  */
8 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
9
10 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
11 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
12 import org.opendaylight.yangtools.yang.model.api.stmt.RequireInstanceStatement;
13 import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
14 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
15 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
16 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
17 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.RequireInstanceEffectiveStatementImpl;
18
19 public class RequireInstanceStatementImpl extends
20         AbstractDeclaredStatement<Boolean> implements RequireInstanceStatement {
21     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
22         YangStmtMapping.REQUIRE_INSTANCE).build();
23
24     protected RequireInstanceStatementImpl(final StmtContext<Boolean, RequireInstanceStatement, ?> context) {
25         super(context);
26     }
27
28     public static class Definition extends
29             AbstractStatementSupport<Boolean, RequireInstanceStatement, EffectiveStatement<Boolean, RequireInstanceStatement>> {
30
31         public Definition() {
32             super(YangStmtMapping.REQUIRE_INSTANCE);
33         }
34
35         @Override
36         public Boolean parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
37             return Boolean.valueOf(value);
38         }
39
40         @Override
41         public RequireInstanceStatement createDeclared(final StmtContext<Boolean, RequireInstanceStatement, ?> ctx) {
42             return new RequireInstanceStatementImpl(ctx);
43         }
44
45         @Override
46         public EffectiveStatement<Boolean, RequireInstanceStatement> createEffective(
47                 final StmtContext<Boolean, RequireInstanceStatement, EffectiveStatement<Boolean, RequireInstanceStatement>> ctx) {
48             return new RequireInstanceEffectiveStatementImpl(ctx);
49         }
50
51         @Override
52         public String internArgument(final String rawArgument) {
53             return Utils.internBoolean(rawArgument);
54         }
55
56         @Override
57         protected SubstatementValidator getSubstatementValidator() {
58             return SUBSTATEMENT_VALIDATOR;
59         }
60     }
61
62     @Override
63     public boolean getValue() {
64         return argument().booleanValue();
65     }
66 }