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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.provision;
import java.time.Duration;
import java.util.Optional;
/**
* A deployer is used to deploy applications.
*
* @author bratseth
*/
public interface Deployer {
/**
* Creates a new deployment from the active application, if available. Will use the default timeout for deployment.
*
* @param application the active application to be redeployed
* @return a new deployment from the local active, or empty if a local active application
* was not present for this id (meaning it either is not active or active on another
* node in the config server cluster)
*/
Optional<Deployment> deployFromLocalActive(ApplicationId application);
/**
* Creates a new deployment from the active application, if available. Prefer {@link #deployFromLocalActive(ApplicationId)}
* if possible, this method is for testing and will override the default timeout for deployment.
*
* @param application the active application to be redeployed
* @param timeout the timeout to use for each individual deployment operation
* @return a new deployment from the local active, or empty if a local active application
* was not present for this id (meaning it either is not active or active on another
* node in the config server cluster)
*/
Optional<Deployment> deployFromLocalActive(ApplicationId application, Duration timeout);
}
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