Examples with FindCoordinatorRequestData org.apache.kafka.common.message.FindCoordinatorRequestData used on opensource projects

Example 1 with FindCoordinatorRequestData

use of org.apache.kafka.common.message.FindCoordinatorRequestData in project kafka by apache.

the class RequestResponseTest method cannotUseFindCoordinatorV0ToFindTransactionCoordinator.

@Test
public void cannotUseFindCoordinatorV0ToFindTransactionCoordinator() {
    FindCoordinatorRequest.Builder builder = new FindCoordinatorRequest.Builder(new FindCoordinatorRequestData().setKeyType(CoordinatorType.TRANSACTION.id).setKey("foobar"));
    assertThrows(UnsupportedVersionException.class, () -> builder.build((short) 0));
}

Example 2 with FindCoordinatorRequestData

use of org.apache.kafka.common.message.FindCoordinatorRequestData in project kafka by apache.

the class AbstractCoordinator method sendFindCoordinatorRequest.

/**
 * Discover the current coordinator for the group. Sends a GroupMetadata request to
 * one of the brokers. The returned future should be polled to get the result of the request.
 * @return A request future which indicates the completion of the metadata request
 */
private RequestFuture<Void> sendFindCoordinatorRequest(Node node) {
    // initiate the group metadata request
    log.debug("Sending FindCoordinator request to broker {}", node);
    FindCoordinatorRequestData data = new FindCoordinatorRequestData().setKeyType(CoordinatorType.GROUP.id()).setKey(this.rebalanceConfig.groupId);
    FindCoordinatorRequest.Builder requestBuilder = new FindCoordinatorRequest.Builder(data);
    return client.send(node, requestBuilder).compose(new FindCoordinatorResponseHandler());
}

Example 3 with FindCoordinatorRequestData

use of org.apache.kafka.common.message.FindCoordinatorRequestData in project kafka by apache.

the class TransactionManager method lookupCoordinator.

private void lookupCoordinator(FindCoordinatorRequest.CoordinatorType type, String coordinatorKey) {
    switch(type) {
        case GROUP:
            consumerGroupCoordinator = null;
            break;
        case TRANSACTION:
            transactionCoordinator = null;
            break;
        default:
            throw new IllegalStateException("Invalid coordinator type: " + type);
    }
    FindCoordinatorRequestData data = new FindCoordinatorRequestData().setKeyType(type.id()).setKey(coordinatorKey);
    FindCoordinatorRequest.Builder builder = new FindCoordinatorRequest.Builder(data);
    enqueueRequest(new FindCoordinatorHandler(builder));
}

Example 4 with FindCoordinatorRequestData

use of org.apache.kafka.common.message.FindCoordinatorRequestData in project kafka by apache.

the class CoordinatorStrategy method buildRequest.

@Override
public FindCoordinatorRequest.Builder buildRequest(Set<CoordinatorKey> keys) {
    unrepresentableKeys = keys.stream().filter(k -> k == null || !isRepresentableKey(k.idValue)).collect(Collectors.toSet());
    Set<CoordinatorKey> representableKeys = keys.stream().filter(k -> k != null && isRepresentableKey(k.idValue)).collect(Collectors.toSet());
    if (batch) {
        ensureSameType(representableKeys);
        FindCoordinatorRequestData data = new FindCoordinatorRequestData().setKeyType(type.id()).setCoordinatorKeys(representableKeys.stream().map(k -> k.idValue).collect(Collectors.toList()));
        return new FindCoordinatorRequest.Builder(data);
    } else {
        CoordinatorKey key = requireSingletonAndType(representableKeys);
        return new FindCoordinatorRequest.Builder(new FindCoordinatorRequestData().setKey(key.idValue).setKeyType(key.type.id()));
    }
}