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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.deployment;
import com.yahoo.component.Version;
import com.yahoo.vespa.hosted.controller.Application;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.JobType;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.ApplicationVersion;
import com.yahoo.vespa.hosted.controller.application.Change;
import com.yahoo.vespa.hosted.controller.application.Deployment;
import com.yahoo.vespa.hosted.controller.application.JobStatus;
import java.util.Objects;
import java.util.Optional;
import static java.util.Objects.requireNonNull;
/**
* Source and target versions for an application.
*
* @author jvenstad
* @author mpolden
*/
public class Versions {
private final Version targetPlatform;
private final ApplicationVersion targetApplication;
private final Optional<Version> sourcePlatform;
private final Optional<ApplicationVersion> sourceApplication;
public Versions(Version targetPlatform, ApplicationVersion targetApplication, Optional<Version> sourcePlatform,
Optional<ApplicationVersion> sourceApplication) {
if (sourcePlatform.isPresent() ^ sourceApplication.isPresent())
throw new IllegalArgumentException("Sources must both be present or absent.");
this.targetPlatform = requireNonNull(targetPlatform);
this.targetApplication = requireNonNull(targetApplication);
this.sourcePlatform = requireNonNull(sourcePlatform);
this.sourceApplication = requireNonNull(sourceApplication);
}
/** Target platform version for this */
public Version targetPlatform() {
return targetPlatform;
}
/** Target application version for this */
public ApplicationVersion targetApplication() {
return targetApplication;
}
/** Source platform version for this */
public Optional<Version> sourcePlatform() {
return sourcePlatform;
}
/** Source application version for this */
public Optional<ApplicationVersion> sourceApplication() {
return sourceApplication;
}
/** Returns whether source versions are present and match those of the given job run */
public boolean sourcesMatchIfPresent(JobStatus.JobRun jobRun) {
return (!sourcePlatform.filter(version -> !version.equals(targetPlatform)).isPresent() ||
sourcePlatform.equals(jobRun.sourcePlatform())) &&
(!sourceApplication.filter(version -> !version.equals(targetApplication)).isPresent() ||
sourceApplication.equals(jobRun.sourceApplication()));
}
/** Returns whether source versions are present and match those of the given job other versions. */
public boolean sourcesMatchIfPresent(Versions versions) {
return ( ! sourcePlatform.filter(version -> ! version.equals(targetPlatform)).isPresent() ||
sourcePlatform.equals(versions.sourcePlatform())) &&
( ! sourceApplication.filter(version -> ! version.equals(targetApplication)).isPresent() ||
sourceApplication.equals(versions.sourceApplication()));
}
public boolean targetsMatch(Versions versions) {
return targetPlatform.equals(versions.targetPlatform()) &&
targetApplication.equals(versions.targetApplication());
}
public boolean targetsMatch(JobStatus.JobRun jobRun) {
return targetPlatform.equals(jobRun.platform()) &&
targetApplication.equals(jobRun.application());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if ( ! (o instanceof Versions)) return false;
Versions versions = (Versions) o;
return Objects.equals(targetPlatform, versions.targetPlatform) &&
Objects.equals(targetApplication, versions.targetApplication) &&
Objects.equals(sourcePlatform, versions.sourcePlatform) &&
Objects.equals(sourceApplication, versions.sourceApplication);
}
@Override
public int hashCode() {
return Objects.hash(targetPlatform, targetApplication, sourcePlatform, sourceApplication);
}
@Override
public String toString() {
return String.format("platform %s%s, application %s%s",
sourcePlatform.filter(source -> !source.equals(targetPlatform))
.map(source -> source + " -> ").orElse(""),
targetPlatform,
sourceApplication.filter(source -> !source.equals(targetApplication))
.map(source -> source.id() + " -> ").orElse(""),
targetApplication.id());
}
/** Create versions using change contained in application */
public static Versions from(Application application, Version defaultPlatformVersion) {
return from(application.change(), application, Optional.empty(), defaultPlatformVersion);
}
/** Create versions using given change and application */
public static Versions from(Change change, Application application, Optional<Deployment> deployment,
Version defaultPlatformVersion) {
return new Versions(targetPlatform(application, change, deployment, defaultPlatformVersion),
targetApplication(application, change, deployment),
deployment.map(Deployment::version),
deployment.map(Deployment::applicationVersion));
}
private static Version targetPlatform(Application application, Change change, Optional<Deployment> deployment,
Version defaultVersion) {
if (change.isPinned() && change.platform().isPresent())
return change.platform().get();
return max(change.platform(), deployment.map(Deployment::version))
.orElse(application.oldestDeployedPlatform()
.orElse(defaultVersion));
}
private static ApplicationVersion targetApplication(Application application, Change change,
Optional<Deployment> deployment) {
return max(change.application(), deployment.map(Deployment::applicationVersion))
.orElse(application.oldestDeployedApplication()
.orElse(application.deploymentJobs().jobStatus().get(JobType.component)
.lastSuccess()
.get()
.application()));
}
private static <T extends Comparable<T>> Optional<T> max(Optional<T> o1, Optional<T> o2) {
return ! o1.isPresent() ? o2 : ! o2.isPresent() ? o1 : o1.get().compareTo(o2.get()) >= 0 ? o1 : o2;
}
}
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