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.Status;
  15 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  16 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  18 import org.opendaylight.yangtools.yang.model.api.stmt.AnydataEffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.AnydataStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
  24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  26
  27 public final class AnydataStatementSupport
  28         extends BaseSchemaTreeStatementSupport<AnydataStatement, AnydataEffectiveStatement> {
  29     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  30         YangStmtMapping.ANYDATA)
  31         .addOptional(YangStmtMapping.CONFIG)
  32         .addOptional(YangStmtMapping.DESCRIPTION)
  33         .addAny(YangStmtMapping.IF_FEATURE)
  34         .addOptional(YangStmtMapping.MANDATORY)
  35         .addAny(YangStmtMapping.MUST)
  36         .addOptional(YangStmtMapping.REFERENCE)
  37         .addOptional(YangStmtMapping.STATUS)
  38         .addOptional(YangStmtMapping.WHEN)
  39         .build();
  40     private static final AnydataStatementSupport INSTANCE = new AnydataStatementSupport();
  41
  42     private AnydataStatementSupport() {
  43         super(YangStmtMapping.ANYDATA);
  44     }
  45
  46     public static AnydataStatementSupport getInstance() {
  47         return INSTANCE;
  48     }
  49
  50     @Override
  51     protected SubstatementValidator getSubstatementValidator() {
  52         return SUBSTATEMENT_VALIDATOR;
  53     }
  54
  55     @Override
  56     protected AnydataStatement createDeclared(final StmtContext<QName, AnydataStatement, ?> ctx,
  57             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  58         return new RegularAnydataStatement(ctx.coerceStatementArgument(), substatements);
  59     }
  60
  61     @Override
  62     protected AnydataStatement createEmptyDeclared(final StmtContext<QName, AnydataStatement, ?> ctx) {
  63         return new EmptyAnydataStatement(ctx.coerceStatementArgument());
  64     }
  65
  66     @Override
  67     protected AnydataEffectiveStatement createEffective(
  68             final StmtContext<QName, AnydataStatement, AnydataEffectiveStatement> ctx,
  69             final AnydataStatement declared,
  70             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  71         return new RegularAnydataEffectiveStatement(declared, ctx.getSchemaPath().get(),
  72             computeFlags(ctx, substatements), findOriginal(ctx), substatements);
  73     }
  74
  75     @Override
  76     protected AnydataEffectiveStatement createEmptyEffective(
  77             final StmtContext<QName, AnydataStatement, AnydataEffectiveStatement> ctx,
  78             final AnydataStatement declared) {
  79         return new EmptyAnydataEffectiveStatement(declared, ctx.getSchemaPath().get(),
  80             computeFlags(ctx, ImmutableList.of()), findOriginal(ctx));
  81     }
  82
  83     private static int computeFlags(final StmtContext<?, ?, ?> ctx,
  84             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  85         return new FlagsBuilder()
  86                 .setHistory(ctx.getCopyHistory())
  87                 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
  88                 .setConfiguration(ctx.isConfiguration())
  89                 .setMandatory(findFirstArgument(substatements, MandatoryEffectiveStatement.class, Boolean.FALSE))
  90                 .toFlags();
  91     }
  92
  93     private static @Nullable AnydataSchemaNode findOriginal(final StmtContext<?, ?, ?> ctx) {
  94         return (AnydataSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
  95     }
  96 }