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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.model.api;
import com.google.common.collect.ImmutableMap;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.TenantName;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
/**
* The SuperModel contains the ApplicationInfo of all active applications (applications whose configs have been
* activated/reloaded and not yet removed).
*/
public class SuperModel {
private final Map<ApplicationId, ApplicationInfo> models;
public SuperModel() {
this.models = Collections.emptyMap();
}
public SuperModel(Map<ApplicationId, ApplicationInfo> models) {
this.models = models;
}
// TODO: The ignored parameter is just to circumvent the fact that you cannot have
// two constructors with same type erasure, the above will be removed and this one can
// be fixed
// TODO: Remove when oldest model used is 6.315 or newer
public SuperModel(Map<ApplicationId, ApplicationInfo> models, boolean ignored) {
this.models = models;
}
public Map<TenantName, Set<ApplicationInfo>> getModelsPerTenant() {
Map<TenantName, Set<ApplicationInfo>> newModels = new LinkedHashMap<>();
this.models.forEach((key, value) -> {
if (!newModels.containsKey(key.tenant())) {
newModels.put(key.tenant(), new LinkedHashSet<>());
}
newModels.get(key.tenant()).add(value);
});
return newModels;
}
public Map<ApplicationId, ApplicationInfo> getModels() {
return ImmutableMap.copyOf(models);
}
public List<ApplicationInfo> getAllApplicationInfos() {
return new ArrayList<>(models.values());
}
public Optional<ApplicationInfo> getApplicationInfo(ApplicationId applicationId) {
ApplicationInfo applicationInfo = models.get(applicationId);
return applicationInfo == null ? Optional.empty() : Optional.of(applicationInfo);
}
public SuperModel cloneAndSetApplication(ApplicationInfo application) {
Map<ApplicationId, ApplicationInfo> newModels = cloneModels(models);
newModels.put(application.getApplicationId(), application);
return new SuperModel(newModels);
}
public SuperModel cloneAndRemoveApplication(ApplicationId applicationId) {
Map<ApplicationId, ApplicationInfo> newModels = cloneModels(models);
newModels.remove(applicationId);
return new SuperModel(newModels);
}
private static Map<ApplicationId, ApplicationInfo> cloneModels(Map<ApplicationId, ApplicationInfo> models) {
return new LinkedHashMap<>(models);
}
}
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