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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.config.model;
import com.yahoo.component.annotation.Inject;
import com.yahoo.component.provider.ComponentRegistry;
import com.yahoo.config.model.builder.xml.ConfigModelBuilder;
import com.yahoo.config.model.builder.xml.ConfigModelId;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* @author Ulf Lilleengen
*/
public class MapConfigModelRegistry extends ConfigModelRegistry {
private final List<ConfigModelBuilder> builders;
/**
* Constructs a registry of config models, where the components are injected.
*
* @param registry a component registry
*/
@Inject
public MapConfigModelRegistry(ComponentRegistry<? extends ConfigModelBuilder> registry) {
this(registry.allComponents());
}
/**
* Constructs a registry of config models.
*
* @param builderCollection A collection of builders used to populate the registry.
*/
public MapConfigModelRegistry(Collection<? extends ConfigModelBuilder> builderCollection) {
super();
builders = new ArrayList<>(builderCollection);
}
@Override
public Collection<ConfigModelBuilder> resolve(ConfigModelId id) {
Set<ConfigModelBuilder> matchingBuilders = new HashSet<>(chained().resolve(id));
for (ConfigModelBuilder builder : builders)
if (builder.handlesElements().contains(id))
matchingBuilders.add(builder);
return matchingBuilders;
}
/**
* Create a registry from a variable argument list of builders.
*
* @param builders A variable argument list of builders to use in this map
* @return a ConfigModelRegistry instance.
*/
@SafeVarargs
@SuppressWarnings("varargs")
public static ConfigModelRegistry createFromList(ConfigModelBuilder<? extends ConfigModel> ... builders) {
return new MapConfigModelRegistry(Arrays.asList(builders));
}
}
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