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Example 1 with SegmentAttribute

use of io.pravega.shared.protocol.netty.WireCommands.SegmentAttribute in project pravega by pravega.

the class PravegaRequestProcessor method getSegmentAttribute.

@Override
public void getSegmentAttribute(GetSegmentAttribute getSegmentAttribute) {
    long requestId = getSegmentAttribute.getRequestId();
    String segmentName = getSegmentAttribute.getSegmentName();
    AttributeId attributeId = getSegmentAttribute.getAttributeId() == null ? null : AttributeId.fromUUID(getSegmentAttribute.getAttributeId());
    final String operation = "getSegmentAttribute";
    if (!verifyToken(segmentName, getSegmentAttribute.getRequestId(), getSegmentAttribute.getDelegationToken(), operation)) {
        return;
    }
    long trace = LoggerHelpers.traceEnter(log, operation, getSegmentAttribute);
    segmentStore.getStreamSegmentInfo(segmentName, TIMEOUT).thenAccept(properties -> {
        LoggerHelpers.traceLeave(log, operation, trace, properties);
        if (properties == null) {
            connection.send(new NoSuchSegment(requestId, segmentName, EMPTY_STACK_TRACE, -1L));
        } else {
            Long value = properties.getAttributes().get(attributeId);
            if (value == null) {
                value = WireCommands.NULL_ATTRIBUTE_VALUE;
            }
            connection.send(new SegmentAttribute(requestId, value));
        }
    }).exceptionally(e -> handleException(requestId, segmentName, operation, e));
}
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Aggregations

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