yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/anydata/AnydataStatementSupport.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.anydata;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.eclipse.jdt.annotation.Nullable;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.model.api.AnydataSchemaNode;
  14 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  15 import org.opendaylight.yangtools.yang.model.api.Status;
  16 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  17 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  18 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.AnydataEffectiveStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.AnydataStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  28
  29 public final class AnydataStatementSupport
  30         extends BaseSchemaTreeStatementSupport<AnydataStatement, AnydataEffectiveStatement> {
  31     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  32         YangStmtMapping.ANYDATA)
  33         .addOptional(YangStmtMapping.CONFIG)
  34         .addOptional(YangStmtMapping.DESCRIPTION)
  35         .addAny(YangStmtMapping.IF_FEATURE)
  36         .addOptional(YangStmtMapping.MANDATORY)
  37         .addAny(YangStmtMapping.MUST)
  38         .addOptional(YangStmtMapping.REFERENCE)
  39         .addOptional(YangStmtMapping.STATUS)
  40         .addOptional(YangStmtMapping.WHEN)
  41         .build();
  42     private static final AnydataStatementSupport INSTANCE = new AnydataStatementSupport();
  43
  44     private AnydataStatementSupport() {
  45         super(YangStmtMapping.ANYDATA, CopyPolicy.DECLARED_COPY);
  46     }
  47
  48     public static AnydataStatementSupport getInstance() {
  49         return INSTANCE;
  50     }
  51
  52     @Override
  53     protected SubstatementValidator getSubstatementValidator() {
  54         return SUBSTATEMENT_VALIDATOR;
  55     }
  56
  57     @Override
  58     protected AnydataStatement createDeclared(final StmtContext<QName, AnydataStatement, ?> ctx,
  59             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  60         return new RegularAnydataStatement(ctx.getArgument(), substatements);
  61     }
  62
  63     @Override
  64     protected AnydataStatement createEmptyDeclared(final StmtContext<QName, AnydataStatement, ?> ctx) {
  65         return new EmptyAnydataStatement(ctx.getArgument());
  66     }
  67
  68     @Override
  69     protected AnydataEffectiveStatement createEffective(final Current<QName, AnydataStatement> stmt,
  70             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  71         final int flags = new FlagsBuilder()
  72             .setHistory(stmt.history())
  73             .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
  74             .setConfiguration(stmt.effectiveConfig().asNullable())
  75             .setMandatory(findFirstArgument(substatements, MandatoryEffectiveStatement.class, Boolean.FALSE))
  76             .toFlags();
  77         final SchemaPath path = stmt.wrapSchemaPath();
  78
  79         return substatements.isEmpty()
  80             ? new EmptyAnydataEffectiveStatement(stmt.declared(), path, flags, findOriginal(stmt))
  81                 : new RegularAnydataEffectiveStatement(stmt.declared(), path, flags, findOriginal(stmt), substatements);
  82     }
  83
  84     private static @Nullable AnydataSchemaNode findOriginal(final Current<?, ?> stmt) {
  85         return (AnydataSchemaNode) stmt.original();
  86     }
  87 }