streams/src/main/java/org/gcube/data/streams/dsl/consume/ConsumeWithClause.java

36 lines
954 B
Java

package org.gcube.data.streams.dsl.consume;
import org.gcube.data.streams.Callback;
import org.gcube.data.streams.StreamConsumer;
import org.gcube.data.streams.Stream;
import org.gcube.data.streams.dsl.StreamClause;
import org.gcube.data.streams.dsl.StreamClauseEnv;
/**
* The clause of {@code consume} sentences in which a {@link Callback} is configured on the input stream.
*
* @author Fabio Simeoni
*
* @param <E> the type of stream elements
*/
public class ConsumeWithClause<E> extends StreamClause<E, StreamClauseEnv<E>> {
/**
* Creates an instance from an input {@link Stream}
*
* @param stream the stream
*/
public ConsumeWithClause(Stream<E> stream) {
super(new StreamClauseEnv<E>(stream));
}
/**
* Return a {@link Stream} configured with a given {@link Callback}.
*
* @param consumer the consumer
*/
public <E2> void with(Callback<E> consumer) {
new StreamConsumer<E>(env.stream(), consumer).start();
}
}