Bug 8307: Add the option for activating deviation statements

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / DeviationStatementImpl.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/DeviationStatementImpl.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/DeviationStatementImpl.java
index 8dea301b7145163b3dab5827f5f5ff9f1378af0b..68cb1fb8aecb769995730a21faa1b8437f1bdab4 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/DeviationStatementImpl.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/DeviationStatementImpl.java
@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -7,45 +7,71 @@
  */
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
-import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeviationEffectiveStatementImpl;
-
-import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.DeviationStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
+import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
+import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
-import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
-import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
+import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeviationEffectiveStatementImpl;
 
 public class DeviationStatementImpl extends AbstractDeclaredStatement<SchemaNodeIdentifier> implements DeviationStatement {
+    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
+            .DEVIATION)
+            .addOptional(YangStmtMapping.DESCRIPTION)
+            .addAny(YangStmtMapping.DEVIATE)
+            .addOptional(YangStmtMapping.REFERENCE)
+            .build();
 
-    protected DeviationStatementImpl(
-            StmtContext<SchemaNodeIdentifier, DeviationStatement, ?> context) {
+    protected DeviationStatementImpl(final StmtContext<SchemaNodeIdentifier, DeviationStatement, ?> context) {
         super(context);
     }
 
     public static class Definition extends AbstractStatementSupport<SchemaNodeIdentifier,DeviationStatement,EffectiveStatement<SchemaNodeIdentifier,DeviationStatement>> {
 
         public Definition() {
-            super(Rfc6020Mapping.DEVIATION);
+            super(YangStmtMapping.DEVIATION);
         }
 
-        @Override public SchemaNodeIdentifier parseArgumentValue(
-                StmtContext<?, ?, ?> ctx, String value) throws SourceException {
-            return SchemaNodeIdentifier.create(Utils.parseXPath(ctx, value), Utils.isXPathAbsolute(value));
+        @Override
+        public SchemaNodeIdentifier parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
+            return Utils.nodeIdentifierFromPath(ctx, value);
         }
 
-        @Override public DeviationStatement createDeclared(
-                StmtContext<SchemaNodeIdentifier, DeviationStatement, ?> ctx) {
+        @Override
+        public DeviationStatement createDeclared(final StmtContext<SchemaNodeIdentifier, DeviationStatement, ?> ctx) {
             return new DeviationStatementImpl(ctx);
         }
 
-        @Override public EffectiveStatement<SchemaNodeIdentifier, DeviationStatement> createEffective(
-                StmtContext<SchemaNodeIdentifier, DeviationStatement, EffectiveStatement<SchemaNodeIdentifier, DeviationStatement>> ctx) {
+        @Override
+        public EffectiveStatement<SchemaNodeIdentifier, DeviationStatement> createEffective(
+                final StmtContext<SchemaNodeIdentifier, DeviationStatement, EffectiveStatement<SchemaNodeIdentifier, DeviationStatement>> ctx) {
             return new DeviationEffectiveStatementImpl(ctx);
         }
+
+        @Override
+        public void onFullDefinitionDeclared(final StmtContext.Mutable<SchemaNodeIdentifier, DeviationStatement,
+                EffectiveStatement<SchemaNodeIdentifier, DeviationStatement>> ctx) {
+            final QNameModule currentModule = ctx.getFromNamespace(ModuleCtxToModuleQName.class,
+                    ctx.getRoot());
+            final QNameModule targetModule = ctx.getStatementArgument().getLastComponent().getModule();
+
+            if (currentModule.equals(targetModule)) {
+                throw new InferenceException(ctx.getStatementSourceReference(),
+                        "Deviation must not target the same module as the one it is defined in: %s", currentModule);
+            }
+        }
+
+        @Override
+        protected SubstatementValidator getSubstatementValidator() {
+            return SUBSTATEMENT_VALIDATOR;
+        }
     }
 
     @Nonnull @Override