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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.vespa.model.container.search.searchchain;
import com.yahoo.component.ComponentId;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.component.chain.model.ChainSpecification;
import com.yahoo.component.chain.model.ChainedComponentModel;
import com.yahoo.prelude.fastsearch.DocumentdbInfoConfig;
import com.yahoo.prelude.cluster.QrMonitorConfig;
import com.yahoo.schema.derived.SchemaInfo;
import com.yahoo.vespa.config.search.AttributesConfig;
import com.yahoo.search.config.ClusterConfig;
import com.yahoo.search.searchchain.model.federation.FederationOptions;
import com.yahoo.search.searchchain.model.federation.LocalProviderSpec;
import com.yahoo.vespa.model.search.SearchCluster;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
/**
* Config producer for search chain responsible for sending queries to a local cluster.
*
* @author Tony Vaagenes
*/
public class LocalProvider extends Provider implements
DocumentdbInfoConfig.Producer,
ClusterConfig.Producer,
AttributesConfig.Producer,
QrMonitorConfig.Producer
{
private final LocalProviderSpec providerSpec;
private volatile SearchCluster searchCluster;
@Override
public void getConfig(ClusterConfig.Builder builder) {
Objects.requireNonNull(searchCluster, "Null search cluster!");
builder.clusterId(searchCluster.getClusterIndex());
builder.clusterName(searchCluster.getClusterName());
if (searchCluster.getVisibilityDelay() != null)
builder.cacheTimeout(convertVisibilityDelay(searchCluster.getVisibilityDelay()));
}
@Override
public void getConfig(AttributesConfig.Builder builder) {
searchCluster.getConfig(builder);
}
@Override
public void getConfig(QrMonitorConfig.Builder builder) {
int requestTimeout = federationOptions().getTimeoutInMilliseconds();
if (requestTimeout != -1) {
builder.requesttimeout(requestTimeout);
}
}
private void addProviderSearchers() {
for (ChainedComponentModel searcherModel : LocalProviderSpec.searcherModels) {
addInnerComponent(new Searcher<>(searcherModel));
}
}
@Override
public ChainSpecification getChainSpecification() {
ChainSpecification spec = super.getChainSpecification();
return new ChainSpecification(spec.componentId, spec.inheritance, spec.phases(),
disableStemmingIfStreaming(spec.componentReferences));
}
//TODO: ugly, restructure this
private Set<ComponentSpecification> disableStemmingIfStreaming(Set<ComponentSpecification> searcherReferences) {
if (searchCluster.hasIndexed()) {
return searcherReferences;
} else {
Set<ComponentSpecification> filteredSearcherReferences = new LinkedHashSet<>(searcherReferences);
filteredSearcherReferences
.remove(toGlobalComponentId(new ComponentId("com.yahoo.prelude.querytransform.StemmingSearcher"))
.toSpecification());
return filteredSearcherReferences;
}
}
private ComponentId toGlobalComponentId(ComponentId searcherId) {
return searcherId.nestInNamespace(getComponentId());
}
public String getClusterName() {
return providerSpec.clusterName;
}
void setSearchCluster(SearchCluster searchCluster) {
this.searchCluster = searchCluster;
}
public LocalProvider(ChainSpecification specWithoutInnerSearchers,
FederationOptions federationOptions,
LocalProviderSpec providerSpec) {
super(specWithoutInnerSearchers, federationOptions);
addProviderSearchers();
this.providerSpec = providerSpec;
}
@Override
public List<String> getDocumentTypes() {
List<String> documentTypes = new ArrayList<>();
for (SchemaInfo spec : searchCluster.schemas().values()) {
documentTypes.add(spec.fullSchema().getDocument().getName());
}
return documentTypes;
}
@Override
public FederationOptions federationOptions() {
Double queryTimeoutInSeconds = searchCluster.getQueryTimeout();
return queryTimeoutInSeconds == null ?
super.federationOptions() :
super.federationOptions().inherit(
new FederationOptions().setTimeoutInMilliseconds((int) (queryTimeoutInSeconds * 1000)));
}
@Override
public void getConfig(DocumentdbInfoConfig.Builder builder) {
searchCluster.getConfig(builder);
}
// The semantics of visibility delay in search is deactivating caches if the
// delay is less than 1.0, in qrs the cache is deactivated if the delay is 0
// (or less). 1.0 seems a little arbitrary, so just doing the conversion
// here instead of having two totally independent implementations having to
// follow each other down in the modules.
private static Double convertVisibilityDelay(Double visibilityDelay) {
return (visibilityDelay < 1.0d) ? 0.0d : visibilityDelay;
}
}
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