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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.vespa.model.container.component.chain;
import com.yahoo.component.ComponentId;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.component.chain.model.ChainSpecification;
import com.yahoo.config.model.producer.AnyConfigProducer;
import com.yahoo.config.model.producer.TreeConfigProducer;
import com.yahoo.vespa.model.container.component.ComponentGroup;
import java.util.ArrayList;
import java.util.Collection;
import static com.yahoo.container.core.ChainsConfig.Chains.Type;
/**
* Represents a component chain in the vespa model.
* The inner components are represented as children.
*
* @author Tony Vaagenes
* @author gjoranv
*/
public class Chain<T extends ChainedComponent<?>> extends TreeConfigProducer<AnyConfigProducer> {
private final ComponentId componentId;
private final ChainSpecification specWithoutInnerComponents;
private final ComponentGroup<T> innerComponentsGroup;
private static final Type.Enum TYPE = Type.SEARCH;
public Chain(ChainSpecification specWithoutInnerComponents) {
super(specWithoutInnerComponents.componentId.stringValue());
this.componentId = specWithoutInnerComponents.componentId;
this.specWithoutInnerComponents = specWithoutInnerComponents;
assertNoInnerComponents(specWithoutInnerComponents);
innerComponentsGroup = new ComponentGroup<>(this, "component");
}
private void assertNoInnerComponents(ChainSpecification specWithoutInnerComponents) {
for (ComponentSpecification component : specWithoutInnerComponents.componentReferences) {
assert (component.getNamespace() == null);
}
}
public void addInnerComponent(T component) {
innerComponentsGroup.addComponent(component);
}
public ChainSpecification getChainSpecification() {
Collection<ComponentSpecification> innerComponentSpecifications = new ArrayList<>();
for (ChainedComponent innerComponent : getInnerComponents()) {
innerComponentSpecifications.add(innerComponent.getGlobalComponentId().toSpecification());
}
return specWithoutInnerComponents.
addComponents(innerComponentSpecifications).
setComponentId(getGlobalComponentId());
}
public Collection<T> getInnerComponents() {
return innerComponentsGroup.getComponents();
}
public ComponentId getGlobalComponentId() {
return componentId;
}
public final ComponentId getId() { return getGlobalComponentId(); }
public final ComponentId getComponentId() {
return componentId;
}
// TODO: remove when DocumentProcessingHandler takes its own version of the chains config as ctor arg
public Type.Enum getType() {
return TYPE;
}
@Override
public String toString() {
return "chain '" + componentId + "'";
}
}
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