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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.application.container;
import com.google.common.annotations.Beta;
import com.google.common.util.concurrent.ListenableFuture;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.component.chain.Chain;
import com.yahoo.processing.execution.chain.ChainRegistry;
import com.yahoo.processing.rendering.Renderer;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.handler.HttpSearchResponse;
import com.yahoo.search.handler.SearchHandler;
import com.yahoo.search.searchchain.SearchChainRegistry;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* @author Einar M R Rosenvinge
* @author gjoranv
*/
@Beta
public final class Search extends ProcessingBase<Query, Result, Searcher> {
private final SearchHandler handler;
Search(SearchHandler handler) {
this.handler = handler;
}
@Override
public ChainRegistry<Searcher> getChains() {
return asChainRegistry();
}
@Override
protected Result doProcess(Chain<Searcher> chain, Query request) {
return handler.searchAndFill(request, chain, handler.getSearchChainRegistry());
}
@Override
@SuppressWarnings("deprecation")
protected ListenableFuture<Boolean> doProcessAndRender(ComponentSpecification chainSpec,
Query request,
Renderer<Result> renderer,
ByteArrayOutputStream stream) throws IOException {
Result result = process(chainSpec, request);
return HttpSearchResponse.waitableRender(result, result.getQuery(), renderer, stream);
}
@Override
@SuppressWarnings("deprecation")
protected Renderer<Result> doGetRenderer(ComponentSpecification spec) {
return handler.getRendererCopy(spec);
}
// TODO: move to SearchHandler.getChainRegistry and deprecate SH.getSCReg?
private ChainRegistry<Searcher> asChainRegistry() {
ChainRegistry<Searcher> chains = new ChainRegistry<>();
for (Chain<Searcher> chain : handler.getSearchChainRegistry().allComponents())
chains.register(chain.getId(), chain);
chains.freeze();
return chains;
}
}
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