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 75a6c63f5004f18b71fe7fed1eb246ae9eb6b415..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
@@ -7,26 +7,26 @@
  */
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
-import static org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator.MAX;
-
 import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
+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 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(Rfc6020Mapping
+    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
             .DEVIATION)
-            .add(Rfc6020Mapping.DESCRIPTION, 0, 1)
-            .add(Rfc6020Mapping.DEVIATE, 0, MAX)
-            .add(Rfc6020Mapping.REFERENCE, 0, 1)
+            .addOptional(YangStmtMapping.DESCRIPTION)
+            .addAny(YangStmtMapping.DEVIATE)
+            .addOptional(YangStmtMapping.REFERENCE)
             .build();
 
     protected DeviationStatementImpl(final StmtContext<SchemaNodeIdentifier, DeviationStatement, ?> context) {
@@ -36,7 +36,7 @@ public class DeviationStatementImpl extends AbstractDeclaredStatement<SchemaNode
     public static class Definition extends AbstractStatementSupport<SchemaNodeIdentifier,DeviationStatement,EffectiveStatement<SchemaNodeIdentifier,DeviationStatement>> {
 
         public Definition() {
-            super(Rfc6020Mapping.DEVIATION);
+            super(YangStmtMapping.DEVIATION);
         }
 
         @Override
@@ -56,10 +56,21 @@ public class DeviationStatementImpl extends AbstractDeclaredStatement<SchemaNode
         }
 
         @Override
-        public void onFullDefinitionDeclared(StmtContext.Mutable<SchemaNodeIdentifier, DeviationStatement,
-                EffectiveStatement<SchemaNodeIdentifier, DeviationStatement>> stmt) throws SourceException {
-            super.onFullDefinitionDeclared(stmt);
-            SUBSTATEMENT_VALIDATOR.validate(stmt);
+        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;
         }
     }