yang/rfc6536-parser-support/src/main/java/org/opendaylight/yangtools/rfc6536/parser/DefaultDenyWriteStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. 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.rfc6536.parser;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.eclipse.jdt.annotation.NonNull;
  12 import org.opendaylight.yangtools.concepts.Immutable;
  13 import org.opendaylight.yangtools.rfc6536.model.api.DefaultDenyWriteEffectiveStatement;
  14 import org.opendaylight.yangtools.rfc6536.model.api.DefaultDenyWriteSchemaNode;
  15 import org.opendaylight.yangtools.rfc6536.model.api.DefaultDenyWriteStatement;
  16 import org.opendaylight.yangtools.rfc6536.model.api.NACMStatements;
  17 import org.opendaylight.yangtools.yang.common.Empty;
  18 import org.opendaylight.yangtools.yang.common.QName;
  19 import org.opendaylight.yangtools.yang.model.api.SchemaNodeDefaults;
  20 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  21 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  22 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  23 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  24 import org.opendaylight.yangtools.yang.model.spi.meta.AbstractDeclaredStatement.WithoutArgument.WithSubstatements;
  25 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.UnknownEffectiveStatementBase;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractEmptyStatementSupport;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  28 import org.opendaylight.yangtools.yang.parser.spi.meta.SchemaPathSupport;
  29 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  30 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  31
  32 public final class DefaultDenyWriteStatementSupport
  33         extends AbstractEmptyStatementSupport<DefaultDenyWriteStatement, DefaultDenyWriteEffectiveStatement> {
  34     private static final class Declared extends WithSubstatements implements DefaultDenyWriteStatement {
  35         static final @NonNull Declared EMPTY = new Declared(ImmutableList.of());
  36
  37         Declared(final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  38             super(substatements);
  39         }
  40     }
  41
  42     private static final class Effective extends UnknownEffectiveStatementBase<Empty, DefaultDenyWriteStatement>
  43             implements DefaultDenyWriteEffectiveStatement, DefaultDenyWriteSchemaNode {
  44         private final @NonNull Immutable path;
  45
  46         Effective(final Current<Empty, DefaultDenyWriteStatement> stmt,
  47                 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  48             super(stmt, substatements);
  49             path = SchemaPathSupport.toEffectivePath(stmt.getEffectiveParent().getSchemaPath()
  50                     .createChild(stmt.publicDefinition().getStatementName()));
  51         }
  52
  53         @Override
  54         public QName getQName() {
  55             return SchemaNodeDefaults.extractQName(path);
  56         }
  57
  58         @Override
  59         @Deprecated
  60         public SchemaPath getPath() {
  61             return SchemaNodeDefaults.extractPath(this, path);
  62         }
  63
  64         @Override
  65         public DefaultDenyWriteEffectiveStatement asEffectiveStatement() {
  66             return this;
  67         }
  68     }
  69
  70     private static final DefaultDenyWriteStatementSupport INSTANCE =
  71             new DefaultDenyWriteStatementSupport(NACMStatements.DEFAULT_DENY_WRITE);
  72
  73     private final SubstatementValidator validator;
  74
  75     DefaultDenyWriteStatementSupport(final StatementDefinition definition) {
  76         super(definition, StatementPolicy.contextIndependent());
  77         this.validator = SubstatementValidator.builder(definition).build();
  78     }
  79
  80     public static DefaultDenyWriteStatementSupport getInstance() {
  81         return INSTANCE;
  82     }
  83
  84     @Override
  85     protected SubstatementValidator getSubstatementValidator() {
  86         return validator;
  87     }
  88
  89     @Override
  90     protected DefaultDenyWriteStatement createDeclared(final StmtContext<Empty, DefaultDenyWriteStatement, ?> ctx,
  91             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  92         return substatements.isEmpty() ? Declared.EMPTY : new Declared(substatements);
  93     }
  94
  95     @Override
  96     protected DefaultDenyWriteEffectiveStatement createEffective(final Current<Empty, DefaultDenyWriteStatement> stmt,
  97             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  98         return new Effective(stmt, substatements);
  99     }
 100 }