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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.config.server.provision;
import com.yahoo.config.model.api.HostProvisioner;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.HostSpec;
import com.yahoo.config.provision.ProvisionLogger;
import com.yahoo.config.provision.Provisioner;
import java.util.*;
/**
* A wrapper for {@link Provisioner} to avoid having to expose multitenant
* behavior to the config model. Adapts interface from a {@link HostProvisioner} to a
* {@link Provisioner}.
*
* @author lulf
* @since 5.11
*/
public class ProvisionerAdapter implements HostProvisioner {
private final Provisioner provisioner;
private final ApplicationId applicationId;
public ProvisionerAdapter(Provisioner provisioner, ApplicationId applicationId) {
this.provisioner = provisioner;
this.applicationId = applicationId;
}
@Override
public HostSpec allocateHost(String alias) {
throw new UnsupportedOperationException("Allocating a single host in a hosted environment is not possible");
}
@Override
public List<HostSpec> prepare(ClusterSpec cluster, Capacity capacity, int groups, ProvisionLogger logger) {
return provisioner.prepare(applicationId, cluster, capacity, groups, logger);
}
}
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