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.namespace.ChildSchemaNodeNamespace;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseQNameStatementSupport;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  28 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  29
  30 public final class AnydataStatementSupport
  31         extends BaseQNameStatementSupport<AnydataStatement, AnydataEffectiveStatement> {
  32     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  33         YangStmtMapping.ANYDATA)
  34         .addOptional(YangStmtMapping.CONFIG)
  35         .addOptional(YangStmtMapping.DESCRIPTION)
  36         .addAny(YangStmtMapping.IF_FEATURE)
  37         .addOptional(YangStmtMapping.MANDATORY)
  38         .addAny(YangStmtMapping.MUST)
  39         .addOptional(YangStmtMapping.REFERENCE)
  40         .addOptional(YangStmtMapping.STATUS)
  41         .addOptional(YangStmtMapping.WHEN)
  42         .build();
  43     private static final AnydataStatementSupport INSTANCE = new AnydataStatementSupport();
  44
  45     private AnydataStatementSupport() {
  46         super(YangStmtMapping.ANYDATA);
  47     }
  48
  49     public static AnydataStatementSupport getInstance() {
  50         return INSTANCE;
  51     }
  52
  53     @Override
  54     public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  55         return StmtContextUtils.parseIdentifier(ctx, value);
  56     }
  57
  58     @Override
  59     public void onStatementAdded(final Mutable<QName, AnydataStatement, AnydataEffectiveStatement> stmt) {
  60         stmt.coerceParentContext().addToNs(ChildSchemaNodeNamespace.class, stmt.coerceStatementArgument(), stmt);
  61     }
  62
  63     @Override
  64     protected SubstatementValidator getSubstatementValidator() {
  65         return SUBSTATEMENT_VALIDATOR;
  66     }
  67
  68     @Override
  69     protected AnydataStatement createDeclared(final StmtContext<QName, AnydataStatement, ?> ctx,
  70             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  71         return new RegularAnydataStatement(ctx.coerceStatementArgument(), substatements);
  72     }
  73
  74     @Override
  75     protected AnydataStatement createEmptyDeclared(final StmtContext<QName, AnydataStatement, ?> ctx) {
  76         return new EmptyAnydataStatement(ctx.coerceStatementArgument());
  77     }
  78
  79     @Override
  80     protected AnydataEffectiveStatement createEffective(
  81             final StmtContext<QName, AnydataStatement, AnydataEffectiveStatement> ctx,
  82             final AnydataStatement declared,
  83             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  84         return new RegularAnydataEffectiveStatement(declared, ctx.getSchemaPath().get(),
  85             computeFlags(ctx, substatements), findOriginal(ctx), substatements);
  86     }
  87
  88     @Override
  89     protected AnydataEffectiveStatement createEmptyEffective(
  90             final StmtContext<QName, AnydataStatement, AnydataEffectiveStatement> ctx,
  91             final AnydataStatement declared) {
  92         return new EmptyAnydataEffectiveStatement(declared, ctx.getSchemaPath().get(),
  93             computeFlags(ctx, ImmutableList.of()), findOriginal(ctx));
  94     }
  95
  96     private static int computeFlags(final StmtContext<?, ?, ?> ctx,
  97             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  98         return new FlagsBuilder()
  99                 .setHistory(ctx.getCopyHistory())
 100                 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
 101                 .setConfiguration(ctx.isConfiguration())
 102                 .setMandatory(findFirstArgument(substatements, MandatoryEffectiveStatement.class, Boolean.FALSE))
 103                 .toFlags();
 104     }
 105
 106     private static @Nullable AnydataSchemaNode findOriginal(final StmtContext<?, ?, ?> ctx) {
 107         return (AnydataSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
 108     }
 109 }