diff options
Diffstat (limited to 'v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/registry/WriterRegistry.java')
| -rw-r--r-- | v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/registry/WriterRegistry.java | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/registry/WriterRegistry.java b/v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/registry/WriterRegistry.java deleted file mode 100644 index 439a85410..000000000 --- a/v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/registry/WriterRegistry.java +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (c) 2016 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.v3po.translate.write.registry; - -import static com.google.common.base.Preconditions.checkNotNull; - -import com.google.common.annotations.Beta; -import com.google.common.collect.ImmutableSet; -import com.google.common.collect.Multimap; -import com.google.common.collect.Sets; -import io.fd.honeycomb.v3po.translate.TranslationException; -import io.fd.honeycomb.v3po.translate.write.DataObjectUpdate; -import io.fd.honeycomb.v3po.translate.write.WriteContext; -import io.fd.honeycomb.v3po.translate.write.Writer; -import java.util.Set; -import javax.annotation.Nonnull; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; - -/** - * Special {@link Writer} capable of performing bulk updates. - */ -@Beta -public interface WriterRegistry { - - /** - * Performs bulk update. - * - * @throws BulkUpdateException in case bulk update fails - * @throws TranslationException in case some other error occurs while processing update request - */ - void update(@Nonnull DataObjectUpdates updates, - @Nonnull WriteContext ctx) throws TranslationException; - - /** - * Simple DTO containing updates for {@link WriterRegistry}. Currently only deletes and updates (create + update) - * are distinguished. - */ - @Beta - final class DataObjectUpdates { - - private final Multimap<InstanceIdentifier<?>, DataObjectUpdate> updates; - private final Multimap<InstanceIdentifier<?>, DataObjectUpdate.DataObjectDelete> deletes; - - /** - * Create new instance. - * - * @param updates All updates indexed by their unkeyed {@link InstanceIdentifier} - * @param deletes All deletes indexed by their unkeyed {@link InstanceIdentifier} - */ - public DataObjectUpdates(@Nonnull final Multimap<InstanceIdentifier<?>, DataObjectUpdate> updates, - @Nonnull final Multimap<InstanceIdentifier<?>, DataObjectUpdate.DataObjectDelete> deletes) { - this.deletes = deletes; - this.updates = updates; - } - - public Multimap<InstanceIdentifier<?>, DataObjectUpdate> getUpdates() { - return updates; - } - - public Multimap<InstanceIdentifier<?>, DataObjectUpdate.DataObjectDelete> getDeletes() { - return deletes; - } - - public boolean isEmpty() { - return updates.isEmpty() && deletes.isEmpty(); - } - - @Override - public String toString() { - return "DataObjectUpdates{" + "updates=" + updates + ", deletes=" + deletes + '}'; - } - - /** - * Get a {@link Set} containing all update types from both updates as well as deletes. - */ - public Set<InstanceIdentifier<?>> getTypeIntersection() { - return Sets.union(deletes.keySet(), updates.keySet()); - } - - /** - * Check whether there is only a single type of data object to be updated. - * - * @return true if there is only a single type of updates (update + delete) - */ - public boolean containsOnlySingleType() { - return getTypeIntersection().size() == 1; - } - - @Override - public boolean equals(final Object other) { - if (this == other) { - return true; - } - if (other == null || getClass() != other.getClass()) { - return false; - } - - final DataObjectUpdates that = (DataObjectUpdates) other; - - if (!updates.equals(that.updates)) { - return false; - } - return deletes.equals(that.deletes); - - } - - @Override - public int hashCode() { - int result = updates.hashCode(); - result = 31 * result + deletes.hashCode(); - return result; - } - - } - - /** - * Thrown when bulk update failed. - */ - @Beta - class BulkUpdateException extends TranslationException { - - private final Reverter reverter; - private final Set<InstanceIdentifier<?>> failedIds; - - /** - * Constructs an BulkUpdateException. - * @param failedIds instance identifiers of the data objects that were not processed during bulk update. - * @param cause the cause of bulk update failure - */ - public BulkUpdateException(@Nonnull final Set<InstanceIdentifier<?>> failedIds, - @Nonnull final Reverter reverter, - @Nonnull final Throwable cause) { - super("Bulk update failed at: " + failedIds, cause); - this.failedIds = failedIds; - this.reverter = checkNotNull(reverter, "reverter should not be null"); - } - - /** - * Reverts changes that were successfully applied during bulk update before failure occurred. - * - * @throws Reverter.RevertFailedException if revert fails - */ - public void revertChanges() throws Reverter.RevertFailedException { - reverter.revert(); - } - - public Set<InstanceIdentifier<?>> getFailedIds() { - return failedIds; - } - } - - /** - * Abstraction over revert mechanism in case of a bulk update failure. - */ - @Beta - interface Reverter { - - /** - * Reverts changes that were successfully applied during bulk update before failure occurred. Changes are - * reverted in reverse order they were applied. - * - * @throws RevertFailedException if not all of applied changes were successfully reverted - */ - void revert() throws RevertFailedException; - - /** - * Thrown when some of the changes applied during bulk update were not reverted. - */ - @Beta - class RevertFailedException extends TranslationException { - - // TODO change to list of VppDataModifications to make debugging easier - private final Set<InstanceIdentifier<?>> notRevertedChanges; - - /** - * Constructs a RevertFailedException with the list of changes that were not reverted. - * - * @param notRevertedChanges list of changes that were not reverted - * @param cause the cause of revert failure - */ - public RevertFailedException(@Nonnull final Set<InstanceIdentifier<?>> notRevertedChanges, - final Throwable cause) { - super(cause); - checkNotNull(notRevertedChanges, "notRevertedChanges should not be null"); - this.notRevertedChanges = ImmutableSet.copyOf(notRevertedChanges); - } - - /** - * Returns the list of changes that were not reverted. - * - * @return list of changes that were not reverted - */ - @Nonnull - public Set<InstanceIdentifier<?>> getNotRevertedChanges() { - return notRevertedChanges; - } - } - } -}
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