yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/refine/RefineStatementSupport.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.yang.parser.rfc7950.stmt.refine;
   9
  10 import static com.google.common.base.Verify.verifyNotNull;
  11 import static java.util.Objects.requireNonNull;
  12
  13 import com.google.common.annotations.Beta;
  14 import com.google.common.collect.ImmutableList;
  15 import org.eclipse.jdt.annotation.NonNull;
  16 import org.opendaylight.yangtools.yang.common.Empty;
  17 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  18 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  19 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  20 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.RefineEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.RefineStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Descendant;
  24 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  25 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.ArgumentUtils;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  28 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  29 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  30
  31 @Beta
  32 public final class RefineStatementSupport
  33         extends AbstractStatementSupport<Descendant, RefineStatement, RefineEffectiveStatement> {
  34     private static final @NonNull RefineStatementSupport RFC6020_INSTANCE = new RefineStatementSupport(
  35         SubstatementValidator.builder(YangStmtMapping.REFINE)
  36             .addOptional(YangStmtMapping.DEFAULT)
  37             .addOptional(YangStmtMapping.DESCRIPTION)
  38             .addOptional(YangStmtMapping.REFERENCE)
  39             .addOptional(YangStmtMapping.CONFIG)
  40             .addOptional(YangStmtMapping.MANDATORY)
  41             .addOptional(YangStmtMapping.PRESENCE)
  42             .addAny(YangStmtMapping.MUST)
  43             .addOptional(YangStmtMapping.MIN_ELEMENTS)
  44             .addOptional(YangStmtMapping.MAX_ELEMENTS)
  45             .build());
  46     private static final @NonNull RefineStatementSupport RFC7950_INSTANCE = new RefineStatementSupport(
  47         SubstatementValidator.builder(YangStmtMapping.REFINE)
  48             .addOptional(YangStmtMapping.DEFAULT)
  49             .addOptional(YangStmtMapping.DESCRIPTION)
  50             .addOptional(YangStmtMapping.REFERENCE)
  51             .addOptional(YangStmtMapping.CONFIG)
  52             .addAny(YangStmtMapping.IF_FEATURE)
  53             .addOptional(YangStmtMapping.MANDATORY)
  54             .addOptional(YangStmtMapping.PRESENCE)
  55             .addAny(YangStmtMapping.MUST)
  56             .addOptional(YangStmtMapping.MIN_ELEMENTS)
  57             .addOptional(YangStmtMapping.MAX_ELEMENTS)
  58             .build());
  59
  60     private final SubstatementValidator validator;
  61
  62     private RefineStatementSupport(final SubstatementValidator validator) {
  63         super(YangStmtMapping.REFINE, StatementPolicy.reject());
  64         this.validator = requireNonNull(validator);
  65     }
  66
  67     public static @NonNull RefineStatementSupport rfc6020Instance() {
  68         return RFC6020_INSTANCE;
  69     }
  70
  71     public static @NonNull RefineStatementSupport rfc7950Instance() {
  72         return RFC7950_INSTANCE;
  73     }
  74
  75     @Override
  76     public Descendant parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  77         return ArgumentUtils.parseDescendantSchemaNodeIdentifier(ctx, value);
  78     }
  79
  80     @Override
  81     protected SubstatementValidator getSubstatementValidator() {
  82         return validator;
  83     }
  84
  85     @Override
  86     protected RefineStatement createDeclared(final StmtContext<Descendant, RefineStatement, ?> ctx,
  87             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  88         return DeclaredStatements.createRefine(ctx.getRawArgument(), ctx.getArgument(), substatements);
  89     }
  90
  91     @Override
  92     protected RefineEffectiveStatement createEffective(final Current<Descendant, RefineStatement> stmt,
  93             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  94         // Empty refine is exceedingly unlikely: let's be lazy and reuse the implementation
  95         return new RefineEffectiveStatementImpl(stmt.declared(), substatements, stmt.optionalPath(),
  96             (SchemaNode) verifyNotNull(stmt.namespaceItem(RefineTargetNamespace.class, Empty.getInstance()))
  97                 .buildEffective());
  98     }
  99 }