yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/container/AbstractContainerStatementSupport.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.container;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.opendaylight.yangtools.yang.common.QName;
  12 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  13 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  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.ContainerEffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.ContainerStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.PresenceEffectiveStatement;
  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.rfc7950.stmt.EffectiveStmtUtils;
  25 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.SubstatementIndexingException;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  28 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  29
  30 abstract class AbstractContainerStatementSupport
  31         extends BaseSchemaTreeStatementSupport<ContainerStatement, ContainerEffectiveStatement> {
  32     AbstractContainerStatementSupport() {
  33         super(YangStmtMapping.CONTAINER, CopyPolicy.DECLARED_COPY);
  34     }
  35
  36     @Override
  37     protected final ContainerStatement createDeclared(final StmtContext<QName, ContainerStatement, ?> ctx,
  38             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  39         return new RegularContainerStatement(ctx.getArgument(), substatements);
  40     }
  41
  42     @Override
  43     protected final ContainerStatement createEmptyDeclared(final StmtContext<QName, ContainerStatement, ?> ctx) {
  44         return new EmptyContainerStatement(ctx.getArgument());
  45     }
  46
  47     @Override
  48     protected ContainerEffectiveStatement createEffective(final Current<QName, ContainerStatement> stmt,
  49             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  50         final ContainerSchemaNode original = (ContainerSchemaNode) stmt.original();
  51         final int flags = new FlagsBuilder()
  52                 .setHistory(stmt.history())
  53                 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
  54                 .setConfiguration(stmt.effectiveConfig().asNullable())
  55                 .setPresence(findFirstStatement(substatements, PresenceEffectiveStatement.class) != null)
  56                 .toFlags();
  57
  58         EffectiveStmtUtils.checkUniqueGroupings(stmt, substatements);
  59         EffectiveStmtUtils.checkUniqueTypedefs(stmt, substatements);
  60         EffectiveStmtUtils.checkUniqueUses(stmt, substatements);
  61
  62         final SchemaPath path = stmt.wrapSchemaPath();
  63         try {
  64             return new ContainerEffectiveStatementImpl(stmt.declared(), substatements, flags, path, original);
  65         } catch (SubstatementIndexingException e) {
  66             throw new SourceException(e.getMessage(), stmt, e);
  67         }
  68     }
  69 }