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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.vespa.applicationmodel;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.function.Predicate;
/**
* Represents a collection of service instances that together make up a service with a single cluster id.
*
* @author bjorncs
*/
public class ServiceCluster {
private final ClusterId clusterId;
private final ServiceType serviceType;
private final Set<ServiceInstance> serviceInstances;
private Optional<ApplicationInstance> applicationInstance = Optional.empty();
public ServiceCluster(ClusterId clusterId, ServiceType serviceType, Set<ServiceInstance> serviceInstances) {
this.clusterId = clusterId;
this.serviceType = serviceType;
this.serviceInstances = serviceInstances;
}
@JsonProperty("clusterId")
public ClusterId clusterId() {
return clusterId;
}
@JsonProperty("serviceType")
public ServiceType serviceType() {
return serviceType;
}
@JsonProperty("serviceInstances")
public Set<ServiceInstance> serviceInstances() {
return serviceInstances;
}
@JsonIgnore
public void setApplicationInstance(ApplicationInstance applicationInstance) {
this.applicationInstance = Optional.of(applicationInstance);
}
@JsonIgnore
public ApplicationInstance getApplicationInstance() {
return applicationInstance.get();
}
public boolean isConfigServerLike() {
return isConfigServer() || isController();
}
public boolean isController() {
return isHostedVespaApplicationWithId(ApplicationInstanceId.CONTROLLER) &&
Objects.equals(clusterId, ClusterId.CONTROLLER) &&
Objects.equals(serviceType, ServiceType.CONTROLLER);
}
/** Is a config server (and not controller!) */
public boolean isConfigServer() {
return isHostedVespaApplicationWithId(ApplicationInstanceId.CONFIG_SERVER) &&
Objects.equals(clusterId, ClusterId.CONFIG_SERVER) &&
Objects.equals(serviceType, ServiceType.CONFIG_SERVER);
}
public boolean isConfigServerHost() {
return isHostedVespaApplicationWithPredicate(ApplicationInstanceId::isConfigServerHost) &&
Objects.equals(clusterId, ClusterId.CONFIG_SERVER_HOST) &&
Objects.equals(serviceType, ServiceType.HOST_ADMIN);
}
public boolean isControllerHost() {
return isHostedVespaApplicationWithId(ApplicationInstanceId.CONTROLLER_HOST) &&
Objects.equals(clusterId, ClusterId.CONTROLLER_HOST) &&
Objects.equals(serviceType, ServiceType.HOST_ADMIN);
}
public boolean isTenantHost() {
return isHostedVespaApplicationWithPredicate(ApplicationInstanceId::isTenantHost) &&
Objects.equals(clusterId, ClusterId.TENANT_HOST) &&
Objects.equals(serviceType, ServiceType.HOST_ADMIN);
}
private boolean isHostedVespaApplicationWithId(ApplicationInstanceId id) {
return isHostedVespaTenant() &&
applicationInstance.map(app -> Objects.equals(app.applicationInstanceId(), id)).orElse(false);
}
private boolean isHostedVespaApplicationWithPredicate(Predicate<ApplicationInstanceId> predicate) {
return isHostedVespaTenant() &&
applicationInstance.map(app -> predicate.test(app.applicationInstanceId())).orElse(false);
}
private boolean isHostedVespaTenant() {
return applicationInstance.map(a -> Objects.equals(a.tenantId(), TenantId.HOSTED_VESPA)).orElse(false);
}
@Override
public String toString() {
return "ServiceCluster{" +
"clusterId=" + clusterId +
", serviceType=" + serviceType +
", serviceInstances=" + serviceInstances +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ServiceCluster that = (ServiceCluster) o;
return Objects.equals(clusterId, that.clusterId) &&
Objects.equals(serviceType, that.serviceType) &&
Objects.equals(serviceInstances, that.serviceInstances);
}
@Override
public int hashCode() {
return Objects.hash(clusterId, serviceType, serviceInstances);
}
}
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