1 files changed, 75 insertions, 0 deletions
diff --git a/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/ClassifySessionValidator.java b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/ClassifySessionValidator.java
new file mode 100644
index 000000000..ec4641475
--- /dev/null
+++ b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/ClassifySessionValidator.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.vpp.classifier.write;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.base.Preconditions;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.vpp.classifier.context.VppClassifierContextManager;
+import io.fd.honeycomb.translate.write.DataValidationFailedException;
+import io.fd.honeycomb.translate.write.Validator;
+import io.fd.honeycomb.translate.write.WriteContext;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.classifier.rev170327.classify.table.base.attributes.ClassifySession;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.classifier.rev170327.vpp.classifier.ClassifyTable;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.classifier.rev170327.vpp.classifier.ClassifyTableKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class ClassifySessionValidator implements Validator<ClassifySession>, ClassifyWriter{
+
+    private final VppClassifierContextManager classifyTableContext;
+
+    public ClassifySessionValidator(@Nonnull final VppClassifierContextManager classifyTableContext,
+                                    @Nonnull final NamingContext policerContext) {
+        this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null");
+        checkNotNull(policerContext, "policerContext should not be null");
+    }
+
+    @Override
+    public void validateWrite(@Nonnull final InstanceIdentifier<ClassifySession> id,
+                              @Nonnull final ClassifySession session,
+                              @Nonnull final WriteContext writeContext)
+            throws DataValidationFailedException.CreateValidationFailedException {
+        try {
+            validateSession(id, writeContext);
+        } catch (RuntimeException e) {
+            throw new DataValidationFailedException.CreateValidationFailedException(id, session, e);
+        }
+    }
+
+    @Override
+    public void validateDelete(@Nonnull final InstanceIdentifier<ClassifySession> id,
+                               @Nonnull final ClassifySession dataBefore,
+                               @Nonnull final WriteContext writeContext)
+            throws DataValidationFailedException.DeleteValidationFailedException {
+        try {
+            validateSession(id, writeContext);
+        } catch (RuntimeException e) {
+            throw new DataValidationFailedException.DeleteValidationFailedException(id, e);
+        }
+    }
+
+    private void validateSession(final InstanceIdentifier<ClassifySession> id,
+                                 @Nonnull final WriteContext writeContext) {
+        final ClassifyTableKey tableKey = id.firstKeyOf(ClassifyTable.class);
+        Preconditions.checkArgument(tableKey != null, "could not find classify table key in {}", id);
+        final String tableName = tableKey.getName();
+        Preconditions.checkState(classifyTableContext.containsTable(tableName, writeContext.getMappingContext()),
+                "Could not find classify table index for {} in the classify table context", tableName);
+    }
+}