HC2VPP-387: Validation support for Vpp-Classifier module

Change-Id: Ia97fa466bc3e39c04bd8f7625c4b6306523e3fce
Signed-off-by: Tibor Král <tibor.kral@pantheon.tech>

1 files changed, 65 insertions, 0 deletions

diff --git a/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/ClassifyTableValidator.java b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/ClassifyTableValidator.java
new file mode 100644
index 000000000..1ec61310c
--- /dev/null
+++ b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/ClassifyTableValidator.java
@@ -0,0 +1,65 @@
+/*
+ * 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.checkArgument;
+
+import io.fd.honeycomb.translate.write.DataValidationFailedException.CreateValidationFailedException;
+import io.fd.honeycomb.translate.write.DataValidationFailedException.DeleteValidationFailedException;
+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.vpp.classifier.ClassifyTable;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class ClassifyTableValidator implements Validator<ClassifyTable>, ClassifyWriter {
+
+    @Override
+    public void validateWrite(@Nonnull final InstanceIdentifier<ClassifyTable> id,
+                              @Nonnull final ClassifyTable table,
+                              @Nonnull final WriteContext writeContext)
+            throws CreateValidationFailedException {
+        try {
+            validateTable(id, table);
+        } catch (RuntimeException e) {
+            throw new CreateValidationFailedException(id, table, e);
+        }
+    }
+
+    @Override
+    public void validateDelete(@Nonnull final InstanceIdentifier<ClassifyTable> id,
+                               @Nonnull final ClassifyTable dataBefore,
+                               @Nonnull final WriteContext writeContext)
+            throws DeleteValidationFailedException {
+        try {
+            validateTable(id, dataBefore);
+        } catch (RuntimeException e) {
+            throw new DeleteValidationFailedException(id, e);
+        }
+    }
+
+    private void validateTable(final InstanceIdentifier<ClassifyTable> id, final ClassifyTable table) {
+        checkArgument(table.getNbuckets() != null, "nbuckets is a mandatory field and is missing");
+        checkArgument(table.getMemorySize() != null, "memorySize is a mandatory field and is missing");
+        checkArgument(table.getSkipNVectors() != null, "skipNVectors is a mandatory field and is missing");
+        checkArgument(table.getSkipNVectors() != null, "skipNVectors is a mandatory field and is missing");
+        if (table.getMask() != null) {
+            checkArgument(getBinaryVector(table.getMask()).length % 16 == 0,
+                    "Number of mask bytes must be multiple of 16.");
+        }
+    }
+}