com.yahoo.vespa.model.container.component.chain.ChainsConfigGenerator 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.container.component.chain;

import com.yahoo.component.ComponentSpecification;
import com.yahoo.component.chain.Phase;
import com.yahoo.component.chain.model.ChainSpecification;
import com.yahoo.container.core.ChainsConfig;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import static com.yahoo.container.core.ChainsConfig.Chains.*;

/**
 * @author Tony Vaagenes
 * @author gjoranv
 *
 * Generates config for a all the chains.
 */
class ChainsConfigGenerator {

    public static  void generate(ChainsConfig.Builder builder, Collection chains) {
        for (T chain : chains) {
            builder.chains(getChain(chain));
        }
     }

    private static  ChainsConfig.Chains.Builder getChain(T chain) {
        ChainSpecification specification = chain.getChainSpecification();

        return new ChainsConfig.Chains.Builder()
                .type(chain.getType())
                .id(specification.componentId.stringValue())
                .components(getComponents(specification.componentReferences))
                .inherits(getComponents(specification.inheritance.chainSpecifications))
                .excludes(getComponents(specification.inheritance.excludedComponents))
                .phases(getPhases(specification.phases()));
    }

    private static List getComponents(Collection componentSpecs) {
        List components = new ArrayList<>();
        for (ComponentSpecification spec : componentSpecs)
            components.add(spec.stringValue());
        return components;
    }

    private static List getPhases(Collection phases) {
        List builders = new ArrayList<>();
        for (Phase phase : phases) {
            builders.add(
                    new Phases.Builder()
                            .id(phase.getName())
                            .before(phase.before())
                            .after(phase.after()));
        }
        return builders;
    }

}