package org.gcube.data.streams.dsl.guard;

import org.gcube.data.streams.Stream;
import org.gcube.data.streams.delegates.GuardedStream;
import org.gcube.data.streams.dsl.StreamClause;
import org.gcube.data.streams.dsl.StreamClauseEnv;
import org.gcube.data.streams.handlers.FaultHandler;

/**
 * The clause of {@code fold} sentences of the {@link Stream} DSL in which a {@link FaultHandler} is configured on
 * the output stream.
 * 
 * @author Fabio Simeoni
 * 
 * @param <E> the type of stream elements
 */
public class GuardWithClause<E> extends StreamClause<E,StreamClauseEnv<E>> {

	/**
	 * Creates an instance with an input {@link Stream}.
	 * @param stream the stream
	 */
	public GuardWithClause(Stream<E> stream) {
		super(new StreamClauseEnv<E>(stream));
	}
	
	/**
	 * Returns a {@link Stream} with configured with a given {@link FaultHandler}.
	 * @param handler the handler
	 * @return the stream
	 */
	public GuardedStream<E> with(FaultHandler handler) {
		return new GuardedStream<E>(env.stream(),handler);
	}
}