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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.searchchain;
import com.yahoo.component.ComponentId;
import com.yahoo.component.chain.Chain;
import com.yahoo.search.Searcher;
import java.util.Collection;
/**
* Searchers which invokes other search chains should override this.
*
* @author bratseth
*/
public abstract class ForkingSearcher extends Searcher {
public ForkingSearcher() {}
/** A search chain with a comment about when it is used. */
public static class CommentedSearchChain {
public final String comment;
public final Chain<Searcher> searchChain;
public CommentedSearchChain(String comment, Chain<Searcher> searchChain) {
this.comment = comment;
this.searchChain = searchChain;
}
}
/** Returns which searchers this searcher may forward to, for debugging and tracing */
public abstract Collection<CommentedSearchChain> getSearchChainsForwarded(SearchChainRegistry registry);
}
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