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-rw-r--r--infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/DataValidationFailedException.java74
-rw-r--r--infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Validator.java71
-rw-r--r--infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Writer.java14
3 files changed, 159 insertions, 0 deletions
diff --git a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/DataValidationFailedException.java b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/DataValidationFailedException.java
index 3c0392efa..d728beee4 100644
--- a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/DataValidationFailedException.java
+++ b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/DataValidationFailedException.java
@@ -20,6 +20,7 @@ import static com.google.common.base.Preconditions.checkNotNull;
import io.fd.honeycomb.translate.ValidationFailedException;
import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
@@ -76,4 +77,77 @@ public class DataValidationFailedException extends ValidationFailedException {
public InstanceIdentifier<?> getFailedId() {
return failedId;
}
+
+ /**
+ * Create specific validated failed exception.
+ */
+ public static class CreateValidationFailedException extends DataValidationFailedException {
+ private static final long serialVersionUID = 1;
+
+ private final transient DataObject data;
+
+ public CreateValidationFailedException(@Nonnull final InstanceIdentifier<?> failedId,
+ @Nonnull final DataObject data,
+ @Nonnull final Throwable cause) {
+ super(failedId, getMsg(failedId, data), cause);
+ this.data = checkNotNull(data, "data");
+ }
+
+ private static String getMsg(final @Nonnull InstanceIdentifier<?> failedId,
+ final @Nonnull DataObject data) {
+ return String.format("Failed to validate create request for: %s at: %s.", data, failedId);
+ }
+
+ public DataObject getData() {
+ return data;
+ }
+ }
+
+ /**
+ * Update specific validated failed exception.
+ */
+ public static class UpdateValidationFailedException extends DataValidationFailedException {
+ private static final long serialVersionUID = 1;
+
+ private final transient DataObject dataBefore;
+ private final transient DataObject dataAfter;
+
+ public UpdateValidationFailedException(@Nonnull final InstanceIdentifier<?> failedId,
+ @Nonnull final DataObject dataBefore,
+ @Nonnull final DataObject dataAfter,
+ @Nonnull final Throwable cause) {
+ super(failedId, getMsg(failedId, dataBefore, dataAfter), cause);
+ this.dataBefore = checkNotNull(dataBefore, "dataBefore");
+ this.dataAfter = checkNotNull(dataAfter, "dataAfter");
+ }
+
+ private static String getMsg(final @Nonnull InstanceIdentifier<?> failedId, final DataObject dataBefore,
+ final @Nonnull DataObject dataAfter) {
+ return String
+ .format("Failed to validate update request from: %s to: %s, at: %s.", dataBefore, dataAfter, failedId);
+ }
+
+ public DataObject getDataBefore() {
+ return dataBefore;
+ }
+
+ public DataObject getDataAfter() {
+ return dataAfter;
+ }
+ }
+
+ /**
+ * Delete specific validated failed exception.
+ */
+ public static class DeleteValidationFailedException extends DataValidationFailedException {
+ private static final long serialVersionUID = 1;
+
+ public DeleteValidationFailedException(@Nonnull final InstanceIdentifier<?> failedId, @Nonnull final Throwable cause) {
+ super(failedId, getMsg(failedId), cause);
+ }
+
+ private static String getMsg(@Nonnull final InstanceIdentifier<?> failedId) {
+ return String.format("Failed to validate delete request: %s.", failedId);
+ }
+ }
}
diff --git a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Validator.java b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Validator.java
new file mode 100644
index 000000000..2044757ec
--- /dev/null
+++ b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Validator.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ *
+ * 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.honeycomb.translate.write;
+
+import com.google.common.annotations.Beta;
+import io.fd.honeycomb.translate.write.DataValidationFailedException.CreateValidationFailedException;
+import io.fd.honeycomb.translate.write.DataValidationFailedException.DeleteValidationFailedException;
+import io.fd.honeycomb.translate.write.DataValidationFailedException.UpdateValidationFailedException;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Responsible for validation of DataObjects.
+ * Handles all update operations (create, update, delete).
+ *
+ * @param <D> Specific DataObject derived type, that is handled by this writer
+ * @see Writer#validate(InstanceIdentifier, DataObject, DataObject, WriteContext)
+ */
+@Beta
+public interface Validator<D extends DataObject> {
+ /**
+ * Validates write operation.
+ *
+ * @param id Identifier(from root) of data being written
+ * @param dataAfter New data to be written
+ * @param writeContext Write context that provides information about current state of DataTree.
+ * @throws CreateValidationFailedException if write validation failed
+ */
+ void validateWrite(
+ @Nonnull final InstanceIdentifier<D> id,
+ @Nonnull final D dataAfter,
+ @Nonnull final WriteContext writeContext) throws CreateValidationFailedException;
+
+ /**
+ * Validates update operation.
+ *
+ * @param id Identifier(from root) of data being updated
+ * @param dataBefore Old data
+ * @param dataAfter New, updated data
+ * @param writeContext Write context that provides information about current state of DataTree.
+ * @throws UpdateValidationFailedException if update validation failed
+ */
+ void validateUpdate(InstanceIdentifier<D> id, D dataBefore, D dataAfter, WriteContext writeContext)
+ throws UpdateValidationFailedException;
+
+ /**
+ * Validates delete operation.
+ *
+ * @param id Identifier(from root) of data being written
+ * @param dataBefore Old data being deleted
+ * @param writeContext Write context that provides information about current state of DataTree.
+ * @throws DeleteValidationFailedException if delete validation failed
+ */
+ void validateDelete(InstanceIdentifier<D> id, D dataBefore, WriteContext writeContext)
+ throws DeleteValidationFailedException;
+}
diff --git a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Writer.java b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Writer.java
index 18573e58a..f3265a39b 100644
--- a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Writer.java
+++ b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/write/Writer.java
@@ -33,6 +33,20 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public interface Writer<D extends DataObject> extends SubtreeManager<D> {
/**
+ * Validates data modification.
+ *
+ * @param id Identifier of data being validated
+ * @param dataBefore Old data
+ * @param dataAfter New, updated data
+ * @param ctx Write context enabling writer to get information about candidate data as well as current data
+ */
+ default void validate(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+ @Nullable final DataObject dataBefore,
+ @Nullable final DataObject dataAfter,
+ @Nonnull final WriteContext ctx) throws DataValidationFailedException {
+ }
+
+ /**
* Process modifications and translate them as create/update/delete operations to lower level
*
* @param id Identifier of data being written