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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.builder.xml.dom.chains;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.text.XML;
import com.yahoo.config.model.producer.AnyConfigProducer;
import com.yahoo.config.model.producer.TreeConfigProducer;
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.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* @author Tony Vaagenes
* @author gjoranv
*/
public class ChainsBuilder<COMPONENT extends ChainedComponent<?>, CHAIN extends Chain<COMPONENT>> {
protected final List<CHAIN> chains = new ArrayList<>();
private final Map<String, Class<? extends DomChainBuilderBase<? extends COMPONENT, ? extends CHAIN>>> chainType2BuilderClass;
// NOTE: The chain type string (key in chainType2BuilderClass) must match the xml tag name for the chain.
public ChainsBuilder(DeployState deployState, TreeConfigProducer<AnyConfigProducer> ancestor, List<Element> chainsElems,
Map<String, ComponentsBuilder.ComponentType<?>> outerComponentTypeByComponentName,
Map<String, Class<? extends DomChainBuilderBase<? extends COMPONENT, ? extends CHAIN>>> chainType2BuilderClass) {
this.chainType2BuilderClass = chainType2BuilderClass;
readChains(deployState, ancestor, chainsElems, outerComponentTypeByComponentName);
}
public Collection<CHAIN> getChains() {
return Collections.unmodifiableCollection(chains);
}
private void readChains(DeployState deployState, TreeConfigProducer<AnyConfigProducer> ancestor, List<Element> chainsElems,
Map<String, ComponentsBuilder.ComponentType<?>> outerSearcherTypeByComponentName) {
for (Map.Entry<String, Class<? extends DomChainBuilderBase<? extends COMPONENT, ? extends CHAIN>>>
chainType : chainType2BuilderClass.entrySet()) {
for (Element elemContainingChainElems : chainsElems) {
for (Element chainElem : XML.getChildren(elemContainingChainElems, chainType.getKey())) {
readChain(deployState, ancestor, chainElem, chainType.getValue(), outerSearcherTypeByComponentName);
}
}
}
}
private void readChain(DeployState deployState, TreeConfigProducer<AnyConfigProducer> ancestor, Element chainElem,
Class<? extends DomChainBuilderBase<? extends COMPONENT, ? extends CHAIN>> builderClass,
Map<String, ComponentsBuilder.ComponentType<?>> outerSearcherTypeByComponentName) {
DomChainBuilderBase<? extends COMPONENT, ? extends CHAIN> builder =
DomBuilderCreator.create(builderClass, outerSearcherTypeByComponentName);
chains.add(builder.build(deployState, ancestor, chainElem));
}
}
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