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 d75e3d6b939c88c8487db3ae18822c062f1ca9e6..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
@@ -8,6 +8,7 @@
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
 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;
@@ -15,7 +16,9 @@ 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.ModuleCtxToModuleQName;
 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeviationEffectiveStatementImpl;
 
 public class DeviationStatementImpl extends AbstractDeclaredStatement<SchemaNodeIdentifier> implements DeviationStatement {
@@ -52,6 +55,19 @@ public class DeviationStatementImpl extends AbstractDeclaredStatement<SchemaNode
             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;