yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/action/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.action;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import com.google.common.collect.ImmutableSet;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  14 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.ActionEffectiveStatement;
  18 import org.opendaylight.yangtools.yang.model.api.stmt.ActionStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.InputStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.OutputStatement;
  21 import org.opendaylight.yangtools.yang.parser.rfc7950.namespace.ChildSchemaNodeNamespace;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseQNameStatementSupport;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.input.InputStatementRFC7950Support;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.output.OutputStatementRFC7950Support;
  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 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  30 import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
  31 import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
  32
  33 public final class ActionStatementSupport extends BaseQNameStatementSupport<ActionStatement, ActionEffectiveStatement> {
  34     private static final ImmutableSet<StatementDefinition> ILLEGAL_PARENTS = ImmutableSet.of(
  35             YangStmtMapping.NOTIFICATION, YangStmtMapping.RPC, YangStmtMapping.ACTION);
  36
  37     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  38         YangStmtMapping.ACTION)
  39         .addOptional(YangStmtMapping.DESCRIPTION)
  40         .addAny(YangStmtMapping.GROUPING)
  41         .addAny(YangStmtMapping.IF_FEATURE)
  42         .addOptional(YangStmtMapping.INPUT)
  43         .addOptional(YangStmtMapping.OUTPUT)
  44         .addOptional(YangStmtMapping.REFERENCE)
  45         .addOptional(YangStmtMapping.STATUS)
  46         .addAny(YangStmtMapping.TYPEDEF)
  47         .build();
  48     private static final ActionStatementSupport INSTANCE = new ActionStatementSupport();
  49
  50     private ActionStatementSupport() {
  51         super(YangStmtMapping.ACTION);
  52     }
  53
  54     public static ActionStatementSupport getInstance() {
  55         return INSTANCE;
  56     }
  57
  58     @Override
  59     public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  60         return StmtContextUtils.parseIdentifier(ctx, value);
  61     }
  62
  63     @Override
  64     public void onStatementAdded(final Mutable<QName, ActionStatement, ActionEffectiveStatement> stmt) {
  65         stmt.coerceParentContext().addToNs(ChildSchemaNodeNamespace.class, stmt.coerceStatementArgument(), stmt);
  66     }
  67
  68     @Override
  69     public void onFullDefinitionDeclared(final Mutable<QName, ActionStatement, ActionEffectiveStatement> stmt) {
  70         super.onFullDefinitionDeclared(stmt);
  71
  72         if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, InputStatement.class) == null) {
  73             ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
  74                 InputStatementRFC7950Support.getInstance(), null);
  75         }
  76         if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, OutputStatement.class) == null) {
  77             ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
  78                 OutputStatementRFC7950Support.getInstance(), null);
  79         }
  80     }
  81
  82     @Override
  83     protected SubstatementValidator getSubstatementValidator() {
  84         return SUBSTATEMENT_VALIDATOR;
  85     }
  86
  87     @Override
  88     protected ActionStatement createDeclared(final StmtContext<QName, ActionStatement, ?> ctx,
  89             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  90         return new RegularActionStatement(ctx.coerceStatementArgument(), substatements);
  91     }
  92
  93     @Override
  94     protected ActionStatement createEmptyDeclared(final StmtContext<QName, ActionStatement, ?> ctx) {
  95         return new EmptyActionStatement(ctx.coerceStatementArgument());
  96     }
  97
  98     @Override
  99     protected ActionEffectiveStatement createEffective(
 100             final StmtContext<QName, ActionStatement, ActionEffectiveStatement> ctx, final ActionStatement declared,
 101             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 102         final QName argument = ctx.coerceStatementArgument();
 103         final StatementSourceReference ref = ctx.getStatementSourceReference();
 104         SourceException.throwIf(StmtContextUtils.hasAncestorOfType(ctx, ILLEGAL_PARENTS), ref,
 105             "Action %s is defined within a notification, rpc or another action", argument);
 106         SourceException.throwIf(
 107             !StmtContextUtils.hasAncestorOfTypeWithChildOfType(ctx, YangStmtMapping.LIST, YangStmtMapping.KEY), ref,
 108             "Action %s is defined within a list that has no key statement", argument);
 109         SourceException.throwIf(StmtContextUtils.hasParentOfType(ctx, YangStmtMapping.CASE), ref,
 110             "Action %s is defined within a case statement", argument);
 111         SourceException.throwIf(StmtContextUtils.hasParentOfType(ctx, YangStmtMapping.MODULE), ref,
 112             "Action %s is defined at the top level of a module", argument);
 113
 114         return new ActionEffectiveStatementImpl(declared, ctx.getSchemaPath().get(),
 115             historyAndStatusFlags(ctx, substatements), ctx, substatements);
 116     }
 117
 118     @Override
 119     protected ActionEffectiveStatement createEmptyEffective(
 120             final StmtContext<QName, ActionStatement, ActionEffectiveStatement> ctx, final ActionStatement declared) {
 121         throw new IllegalStateException("Missing implicit input/output statements at "
 122             + ctx.getStatementSourceReference());
 123     }
 124 }