public class ClientCardinalityEstimatorProxy extends ClientProxy implements CardinalityEstimator
CardinalityEstimator.name| Constructor and Description |
|---|
ClientCardinalityEstimatorProxy(String serviceName,
String objectId,
ClientContext context) |
| Modifier and Type | Method and Description |
|---|---|
void |
add(Object obj)
Add a new object in the estimation set.
|
InternalCompletableFuture<Void> |
addAsync(Object obj)
Add a new object in the estimation set.
|
long |
estimate()
Estimates the cardinality of the aggregation so far.
|
InternalCompletableFuture<Long> |
estimateAsync()
Estimates the cardinality of the aggregation so far.
|
protected ClientMessage |
invokeOnPartition(ClientMessage req) |
protected <T> ClientDelegatingFuture<T> |
invokeOnPartitionAsync(ClientMessage clientMessage,
ClientMessageDecoder clientMessageDecoder) |
protected <T> T |
invokeOnPartitionInterruptibly(ClientMessage clientMessage) |
protected void |
onInitialize()
Called when proxy is created.
|
String |
toString() |
deregisterListener, destroy, destroyLocally, destroyRemotely, equals, getClient, getConnectedServerVersion, getContext, getDistributedObjectName, getId, getName, getPartitionKey, getSerializationService, getServiceName, hashCode, invoke, invoke, invokeOnAddress, invokeOnPartition, invokeOnPartitionInterruptibly, onDestroy, onShutdown, postDestroy, preDestroy, registerListener, setContext, toData, toObjectclone, finalize, getClass, notify, notifyAll, wait, wait, waitdestroy, getName, getPartitionKey, getServiceNamepublic ClientCardinalityEstimatorProxy(String serviceName, String objectId, ClientContext context)
public void add(Object obj)
CardinalityEstimatoradd in interface CardinalityEstimatorobj - object to add in the estimation set.public long estimate()
CardinalityEstimatorestimate in interface CardinalityEstimatorpublic InternalCompletableFuture<Void> addAsync(Object obj)
CardinalityEstimatorICompletableFuture.
The operations result can be obtained in a blocking way, or a
callback can be provided for execution upon completion, as demonstrated in the following examples:
ICompletableFuture<Void> future = estimator.addAsync();
// do something else, then read the result
Boolean result = future.get(); // this method will block until the result is available
ICompletableFuture<Void> future = estimator.addAsync();
future.andThen(new ExecutionCallback<Void>() {
void onResponse(Void response) {
// do something
}
void onFailure(Throwable t) {
// handle failure
}
});
addAsync in interface CardinalityEstimatorobj - object to add in the estimation set.ICompletableFuture API consumers can use to track execution of this request.public InternalCompletableFuture<Long> estimateAsync()
CardinalityEstimatorICompletableFuture.
The operations result can be obtained in a blocking way, or a
callback can be provided for execution upon completion, as demonstrated in the following examples:
ICompletableFuture<Long> future = estimator.estimateAsync();
// do something else, then read the result
Long result = future.get(); // this method will block until the result is available
ICompletableFuture<Long> future = estimator.estimateAsync();
future.andThen(new ExecutionCallback<Long>() {
void onResponse(Long response) {
// do something with the result
}
void onFailure(Throwable t) {
// handle failure
}
});
estimateAsync in interface CardinalityEstimatorICompletableFuture bearing the response, the estimate.protected void onInitialize()
ClientProxyonInitialize in class ClientProxyprotected ClientMessage invokeOnPartition(ClientMessage req)
protected <T> T invokeOnPartitionInterruptibly(ClientMessage clientMessage) throws InterruptedException
InterruptedExceptionprotected <T> ClientDelegatingFuture<T> invokeOnPartitionAsync(ClientMessage clientMessage, ClientMessageDecoder clientMessageDecoder)
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