@Override
public ServerGroupDeploymentReplaceUpdate getCompensatingUpdate(ServerGroupElement original) {
ServerGroupDeploymentElement toReplace = original.getDeployment(replacedDeploymentName);
if (toReplace == null) return null;
return new ServerGroupDeploymentReplaceUpdate(
toReplace.getUniqueName(), toReplace.getRuntimeName(), toReplace.getSha1Hash(), uniqueName);
}
@Override
protected void applyUpdate(ServerGroupElement serverGroupElement) throws UpdateFailedException {
ServerGroupDeploymentElement undeploymentElement =
serverGroupElement.getDeployment(replacedDeploymentName);
if (undeploymentElement == null) {
throw new UpdateFailedException("Unknown deployment " + serverGroupElement);
}
// This may also be an add
serverGroupElement.addDeployment(uniqueName, runtimeName, hash, false);
ServerGroupDeploymentElement deploymentElement = serverGroupElement.getDeployment(uniqueName);
undeploymentElement.setStart(false);
deploymentElement.setStart(true);
}