Examples with StreamSystemMetadataWriter co.cask.cdap.data2.metadata.system.StreamSystemMetadataWriter used on opensource projects

Example 1 with StreamSystemMetadataWriter

use of co.cask.cdap.data2.metadata.system.StreamSystemMetadataWriter in project cdap by caskdata.

the class FileStreamAdmin method updateProperties.

private StreamProperties updateProperties(StreamId streamId, StreamProperties properties) throws Exception {
    StreamConfig config = getConfig(streamId);
    StreamConfig.Builder builder = StreamConfig.builder(config);
    if (properties.getTTL() != null) {
        builder.setTTL(properties.getTTL());
    }
    if (properties.getFormat() != null) {
        builder.setFormatSpec(properties.getFormat());
    }
    if (properties.getNotificationThresholdMB() != null) {
        builder.setNotificationThreshold(properties.getNotificationThresholdMB());
    }
    // update stream description
    String description = properties.getDescription();
    if (description != null) {
        streamMetaStore.addStream(streamId, description);
    }
    final StreamConfig newConfig = builder.build();
    impersonator.doAs(streamId, new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            writeConfig(newConfig);
            return null;
        }
    });
    // Update system metadata for stream
    SystemMetadataWriter systemMetadataWriter = new StreamSystemMetadataWriter(metadataStore, streamId, newConfig, description);
    systemMetadataWriter.write();
    return new StreamProperties(config.getTTL(), config.getFormat(), config.getNotificationThresholdMB());
}

Example 2 with StreamSystemMetadataWriter

use of co.cask.cdap.data2.metadata.system.StreamSystemMetadataWriter in project cdap by caskdata.

the class ExistingEntitySystemMetadataWriter method writeSystemMetadataForStreams.

private void writeSystemMetadataForStreams(NamespaceId namespace) throws Exception {
    for (StreamSpecification streamSpec : store.getAllStreams(namespace)) {
        StreamId streamId = namespace.stream(streamSpec.getName());
        SystemMetadataWriter writer = new StreamSystemMetadataWriter(metadataStore, streamId, streamAdmin.getConfig(streamId), streamSpec.getDescription());
        writer.write();
        for (StreamViewId view : streamAdmin.listViews(streamId)) {
            writer = new ViewSystemMetadataWriter(metadataStore, view, viewAdmin.get(view), true);
            writer.write();
        }
    }
}