yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/meta/ActionStatementSupport.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.meta;
   9
  10 import static com.google.common.base.Verify.verify;
  11
  12 import com.google.common.collect.ImmutableList;
  13 import com.google.common.collect.ImmutableSet;
  14 import org.opendaylight.yangtools.yang.common.QName;
  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.meta.StatementDefinition;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.ActionEffectiveStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.ActionStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.InputStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.OutputStatement;
  23 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  24 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
  25 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins;
  26 import org.opendaylight.yangtools.yang.model.spi.meta.SubstatementIndexingException;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractSchemaTreeStatementSupport;
  28 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  29 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  30 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  31 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  32 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  33 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  34 import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
  35 import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
  36
  37 public final class ActionStatementSupport extends
  38         AbstractSchemaTreeStatementSupport<ActionStatement, ActionEffectiveStatement> {
  39
  40     private static final ImmutableSet<StatementDefinition> ILLEGAL_PARENTS = ImmutableSet.of(
  41             YangStmtMapping.NOTIFICATION, YangStmtMapping.RPC, YangStmtMapping.ACTION);
  42
  43     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  44         YangStmtMapping.ACTION)
  45         .addOptional(YangStmtMapping.DESCRIPTION)
  46         .addAny(YangStmtMapping.GROUPING)
  47         .addAny(YangStmtMapping.IF_FEATURE)
  48         .addOptional(YangStmtMapping.INPUT)
  49         .addOptional(YangStmtMapping.OUTPUT)
  50         .addOptional(YangStmtMapping.REFERENCE)
  51         .addOptional(YangStmtMapping.STATUS)
  52         .addAny(YangStmtMapping.TYPEDEF)
  53         .build();
  54     private static final ActionStatementSupport INSTANCE = new ActionStatementSupport();
  55
  56     private ActionStatementSupport() {
  57         super(YangStmtMapping.ACTION, uninstantiatedPolicy());
  58     }
  59
  60     public static ActionStatementSupport getInstance() {
  61         return INSTANCE;
  62     }
  63
  64     @Override
  65     public void onStatementAdded(final Mutable<QName, ActionStatement, ActionEffectiveStatement> stmt) {
  66         final QName argument = stmt.getArgument();
  67         SourceException.throwIf(StmtContextUtils.hasAncestorOfType(stmt, ILLEGAL_PARENTS), stmt,
  68             "Action %s is defined within a notification, rpc or another action", argument);
  69         SourceException.throwIf(StmtContextUtils.hasParentOfType(stmt, YangStmtMapping.CASE), stmt,
  70             "Action %s is defined within a case statement", argument);
  71         SourceException.throwIf(StmtContextUtils.hasParentOfType(stmt, YangStmtMapping.MODULE), stmt,
  72             "Action %s is defined at the top level of a module", stmt.getArgument());
  73         StmtContextUtils.validateNoKeylessListAncestorOf(stmt, "Action");
  74
  75         super.onStatementAdded(stmt);
  76     }
  77
  78     @Override
  79     public void onFullDefinitionDeclared(final Mutable<QName, ActionStatement, ActionEffectiveStatement> stmt) {
  80         super.onFullDefinitionDeclared(stmt);
  81
  82         verify(stmt instanceof StatementContextBase);
  83         if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, InputStatement.class) == null) {
  84             ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
  85                 InputStatementSupport.rfc7950Instance(), null);
  86         }
  87         if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, OutputStatement.class) == null) {
  88             ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
  89                 OutputStatementSupport.rfc7950Instance(), null);
  90         }
  91     }
  92
  93     @Override
  94     protected SubstatementValidator getSubstatementValidator() {
  95         return SUBSTATEMENT_VALIDATOR;
  96     }
  97
  98     @Override
  99     protected ActionStatement createDeclared(final StmtContext<QName, ActionStatement, ?> ctx,
 100             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
 101         return DeclaredStatements.createAction(ctx.getArgument(), substatements);
 102     }
 103
 104     @Override
 105     protected ActionStatement createEmptyDeclared(final StmtContext<QName, ActionStatement, ?> ctx) {
 106         return DeclaredStatements.createAction(ctx.getArgument());
 107     }
 108
 109     @Override
 110     protected ActionEffectiveStatement createEffective(final Current<QName, ActionStatement> stmt,
 111             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 112         final StatementSourceReference ref = stmt.sourceReference();
 113         verify(!substatements.isEmpty(), "Missing implicit input/output statements at %s", ref);
 114
 115         try {
 116             return EffectiveStatements.createAction(stmt.declared(), stmt.effectivePath(),
 117                 EffectiveStatementMixins.historyAndStatusFlags(stmt.history(), substatements), substatements);
 118         } catch (SubstatementIndexingException e) {
 119             throw new SourceException(e.getMessage(), stmt, e);
 120         }
 121     }
 122
 123     @Override
 124     public ActionEffectiveStatement copyEffective(final Current<QName, ActionStatement> stmt,
 125             final ActionEffectiveStatement original) {
 126         return EffectiveStatements.copyAction(original, stmt.effectivePath(),
 127             EffectiveStatementMixins.historyAndStatusFlags(stmt.history(), original.effectiveSubstatements()));
 128     }
 129 }