Examples with MetadataDataset co.cask.cdap.data2.metadata.dataset.MetadataDataset used on opensource projects

Example 1 with MetadataDataset

use of co.cask.cdap.data2.metadata.dataset.MetadataDataset in project cdap by caskdata.

the class DefaultMetadataStore method removeProperties.

/**
 * Removes the specified properties of the {@link NamespacedEntityId}.
 */
@Override
public void removeProperties(final MetadataScope scope, final NamespacedEntityId namespacedEntityId, final String... keys) {
    final AtomicReference<MetadataRecord> previousRef = new AtomicReference<>();
    final ImmutableMap.Builder<String, String> deletesBuilder = ImmutableMap.builder();
    execute(new TransactionExecutor.Procedure<MetadataDataset>() {

        @Override
        public void apply(MetadataDataset input) throws Exception {
            previousRef.set(new MetadataRecord(namespacedEntityId, scope, input.getProperties(namespacedEntityId), input.getTags(namespacedEntityId)));
            for (String key : keys) {
                MetadataEntry record = input.getProperty(namespacedEntityId, key);
                if (record == null) {
                    continue;
                }
                deletesBuilder.put(record.getKey(), record.getValue());
            }
            input.removeProperties(namespacedEntityId, keys);
        }
    }, scope);
    publishAudit(previousRef.get(), new MetadataRecord(namespacedEntityId, scope), new MetadataRecord(namespacedEntityId, scope, deletesBuilder.build(), EMPTY_TAGS));
}

Example 2 with MetadataDataset

use of co.cask.cdap.data2.metadata.dataset.MetadataDataset in project cdap by caskdata.

the class DefaultMetadataStore method execute.

private void execute(TransactionExecutor.Procedure<MetadataDataset> func, MetadataScope scope) {
    MetadataDataset metadataDataset = newMetadataDataset(scope);
    TransactionExecutor txExecutor = Transactions.createTransactionExecutor(txExecutorFactory, metadataDataset);
    txExecutor.executeUnchecked(func, metadataDataset);
}

Example 3 with MetadataDataset

use of co.cask.cdap.data2.metadata.dataset.MetadataDataset in project cdap by caskdata.

the class DefaultMetadataStore method addTags.

/**
 * Adds tags for the specified {@link NamespacedEntityId}.
 */
@Override
public void addTags(final MetadataScope scope, final NamespacedEntityId namespacedEntityId, final String... tagsToAdd) {
    final AtomicReference<MetadataRecord> previousRef = new AtomicReference<>();
    execute(new TransactionExecutor.Procedure<MetadataDataset>() {

        @Override
        public void apply(MetadataDataset input) throws Exception {
            Map<String, String> existingProperties = input.getProperties(namespacedEntityId);
            Set<String> existingTags = input.getTags(namespacedEntityId);
            previousRef.set(new MetadataRecord(namespacedEntityId, scope, existingProperties, existingTags));
            input.addTags(namespacedEntityId, tagsToAdd);
        }
    }, scope);
    publishAudit(previousRef.get(), new MetadataRecord(namespacedEntityId, scope, EMPTY_PROPERTIES, Sets.newHashSet(tagsToAdd)), new MetadataRecord(namespacedEntityId, scope));
}

Example 4 with MetadataDataset

use of co.cask.cdap.data2.metadata.dataset.MetadataDataset in project cdap by caskdata.

the class DefaultMetadataStore method setProperty.

@Override
public void setProperty(final MetadataScope scope, final NamespacedEntityId namespacedEntityId, final String key, final String value) {
    final AtomicReference<MetadataRecord> previousRef = new AtomicReference<>();
    execute(new TransactionExecutor.Procedure<MetadataDataset>() {

        @Override
        public void apply(MetadataDataset input) throws Exception {
            Map<String, String> existingProperties = input.getProperties(namespacedEntityId);
            Set<String> existingTags = input.getTags(namespacedEntityId);
            previousRef.set(new MetadataRecord(namespacedEntityId, scope, existingProperties, existingTags));
            input.setProperty(namespacedEntityId, key, value);
        }
    }, scope);
    publishAudit(previousRef.get(), new MetadataRecord(namespacedEntityId, scope, ImmutableMap.of(key, value), EMPTY_TAGS), new MetadataRecord(namespacedEntityId, scope));
}

Example 5 with MetadataDataset

use of co.cask.cdap.data2.metadata.dataset.MetadataDataset in project cdap by caskdata.

the class DefaultMetadataStore method getSnapshotBeforeTime.

@Override
public Set<MetadataRecord> getSnapshotBeforeTime(MetadataScope scope, final Set<NamespacedEntityId> namespacedEntityIds, final long timeMillis) {
    Set<Metadata> metadataHistoryEntries = execute(new TransactionExecutor.Function<MetadataDataset, Set<Metadata>>() {

        @Override
        public Set<Metadata> apply(MetadataDataset input) throws Exception {
            return input.getSnapshotBeforeTime(namespacedEntityIds, timeMillis);
        }
    }, scope);
    ImmutableSet.Builder<MetadataRecord> builder = ImmutableSet.builder();
    for (Metadata metadata : metadataHistoryEntries) {
        builder.add(new MetadataRecord(metadata.getEntityId(), scope, metadata.getProperties(), metadata.getTags()));
    }
    return builder.build();
}