com.yahoo.vespa.model.builder.xml.dom.chains.DomChainBuilderBase Maven / Gradle / Ivy

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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.builder.xml.dom.chains;

import com.yahoo.component.chain.model.ChainSpecification;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.model.producer.AnyConfigProducer;
import com.yahoo.config.model.producer.TreeConfigProducer;
import com.yahoo.vespa.model.builder.xml.dom.VespaDomBuilder;
import com.yahoo.vespa.model.container.component.chain.Chain;
import com.yahoo.vespa.model.container.component.chain.ChainedComponent;
import org.w3c.dom.Element;
import java.util.Collection;
import java.util.List;
import java.util.Map;

/**
 * Base functionality for all chain builders (docprocChain, searchChain, provider, source)
 * @author Tony Vaagenes
 */
public abstract class DomChainBuilderBase, CHAIN extends Chain>
    extends VespaDomBuilder.DomConfigProducerBuilderBase {

    private final Collection> allowedComponentTypes;
    protected final Map> outerComponentTypeByComponentName;

    public DomChainBuilderBase(Collection> allowedComponentTypes,
                               Map> outerComponentTypeByComponentName) {
        this.allowedComponentTypes = allowedComponentTypes;
        this.outerComponentTypeByComponentName = outerComponentTypeByComponentName;
    }

    public final CHAIN doBuild(DeployState deployState, TreeConfigProducer ancestor, Element producerSpec) {
        ComponentsBuilder componentsBuilder =
                new ComponentsBuilder<>(deployState, ancestor, allowedComponentTypes, List.of(producerSpec), outerComponentTypeByComponentName);
        ChainSpecification specWithoutInnerComponents =
                new ChainSpecificationBuilder(producerSpec).build(componentsBuilder.getOuterComponentReferences());

        CHAIN chain = buildChain(deployState, ancestor, producerSpec, specWithoutInnerComponents);
        addInnerComponents(chain, componentsBuilder.getComponentDefinitions());

        return chain;
    }

    private void addInnerComponents(CHAIN chain, Collection componentDefinitions) {
        for (COMPONENT innerComponent : componentDefinitions) {
            chain.addInnerComponent(innerComponent);
        }
    }

    protected abstract CHAIN buildChain(DeployState deployState, TreeConfigProducer ancestor, Element producerSpec,
                                        ChainSpecification specWithoutInnerComponents);
}