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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.documentapi.messagebus.loadtypes;
import com.yahoo.config.subscription.ConfigGetter;
import com.yahoo.vespa.config.content.LoadTypeConfig;
import com.yahoo.documentapi.messagebus.protocol.DocumentProtocol;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
/**
* This class keeps track of all configured load types.
*
* For production use, you should only use the String constructor,
* and supply a valid config id. Only the load types configured will
* be propagated throughout the system, so there is no point in using other
* load types.
*
* For testing, you may want to use the empty constructor and add
* load types yourself with addType().
*
* @deprecated load types are deprecated
*/
@Deprecated(forRemoval = true) // TODO: Remove on Vespa 8
@SuppressWarnings("removal") // TODO: Remove on Vespa 8
public class LoadTypeSet {
public static final LoadTypeSet EMPTY = new LoadTypeSet();
class DualMap {
Map<String, LoadType> nameMap = new TreeMap<String, LoadType>();
Map<Integer, LoadType> idMap = new HashMap<Integer, LoadType>();
void put(LoadType l) {
if (nameMap.containsKey(l.getName()) || idMap.containsKey(l.getId())) {
throw new IllegalArgumentException(
"ID or name conflict when adding " + l);
}
nameMap.put(l.getName(), l);
idMap.put(l.getId(), l);
}
}
DualMap map;
public LoadTypeSet() {
map = new DualMap();
map.put(LoadType.DEFAULT);
}
public LoadTypeSet(String configId) {
configure(new ConfigGetter<>(LoadTypeConfig.class).getConfig(configId));
}
public LoadTypeSet(LoadTypeConfig loadTypeConfig) {
configure(loadTypeConfig);
}
public Map<String, LoadType> getNameMap() {
return map.nameMap;
}
public Map<Integer, LoadType> getIdMap() {
return map.idMap;
}
/**
* Used by config to generate priorities for a name, and add them to the load type set.
*/
public void addType(String name, String priority) {
try {
MessageDigest algorithm = MessageDigest.getInstance("MD5");
algorithm.reset();
algorithm.update(name.getBytes());
byte messageDigest[] = algorithm.digest();
int id = 0;
for (int i = 0; i < 4; i++) {
int temp = ((int)messageDigest[i] & 0xff);
id <<= 8;
id |= temp;
}
map.put(new LoadType(id, name, DocumentProtocol.Priority.valueOf(priority != null ? priority : "NORMAL_3")));
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
public void addLoadType(int id, String name, DocumentProtocol.Priority priority) {
map.put(new LoadType(id, name, priority));
}
public void configure(LoadTypeConfig config) {
DualMap newMap = new DualMap();
// Default should always be available.
newMap.put(LoadType.DEFAULT);
for (LoadTypeConfig.Type t : config.type()) {
newMap.put(new LoadType(t.id(), t.name(), DocumentProtocol.Priority.valueOf(t.priority())));
}
map = newMap;
}
}
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