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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.searchchain.test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import com.yahoo.component.ComponentId;
import com.yahoo.component.chain.dependencies.After;
import com.yahoo.component.chain.dependencies.Provides;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.searchchain.Execution;
import com.yahoo.search.searchchain.ForkingSearcher;
import com.yahoo.search.searchchain.SearchChain;
import com.yahoo.search.searchchain.SearchChainRegistry;
/**
* A search chain consisting of two searchers.
* @author bratseth
* @author Tony Vaagenes
*/
public class SimpleSearchChain {
private static abstract class BaseSearcher extends ForkingSearcher {
public BaseSearcher(ComponentId id) {
super();
initId(id);
}
@Override
public Result search(Query query,Execution execution) {
return execution.search(query);
}
@Override
public Collection<ForkingSearcher.CommentedSearchChain> getSearchChainsForwarded(SearchChainRegistry registry) {
return Arrays.asList(
new ForkingSearcher.CommentedSearchChain("Reason for forwarding to this search chain.", dummySearchChain()),
new ForkingSearcher.CommentedSearchChain(null, dummySearchChain()));
}
private SearchChain dummySearchChain() {
return new SearchChain(new ComponentId("child-chain"),
new DummySearcher(new ComponentId("child-searcher")) {});
}
}
@Provides("Test")
private static class TestSearcher extends BaseSearcher {
public TestSearcher(ComponentId id) {
super(id);
}
}
private static class DummySearcher extends Searcher {
public DummySearcher(ComponentId id) {
super(id);
}
@Override
public Result search(Query query,Execution execution) {
return execution.search(query);
}
}
@After("Test")
private static class TestSearcher2 extends BaseSearcher {
public TestSearcher2(ComponentId id) {
super(id);
}
@Override
public Result search(Query query,Execution execution) {
return execution.search(query);
}
}
private static List<Searcher> twoSearchers(String id1, String id2, boolean ordered) {
List<Searcher> searchers=new ArrayList<>();
searchers.add(new TestSearcher(new ComponentId(id1)));
searchers.add(createSecondSearcher(new ComponentId(id2), ordered));
return searchers;
}
private static Searcher createSecondSearcher(ComponentId componentId, boolean ordered) {
if (ordered)
return new TestSearcher2(componentId);
else
return new TestSearcher(componentId);
}
private static SearchChain createSearchChain(boolean ordered) {
return new SearchChain(new ComponentId("test"), twoSearchers("one","two", ordered));
}
public static final SearchChain searchChain = createSearchChain(false);
public static final SearchChain orderedChain = createSearchChain(true);
}
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