public static void ReverseDeployment(
string deploymentId,
IDictionary <long, EventType> deploymentTypes,
IList <StatementLightweight> lightweights,
EPStatement[] statements,
ModuleProviderCLPair provider,
EPServicesContext services)
{
var revert = new List <StatementContext>();
foreach (var stmtToRemove in lightweights)
{
revert.Add(stmtToRemove.StatementContext);
}
revert.Reverse();
var reverted = revert.ToArray();
Undeployer.Disassociate(statements);
Undeployer.Undeploy(deploymentId, deploymentTypes, reverted, provider.ModuleProvider, services);
}
private void UndeployRemoveInternal(
string deploymentId,
UndeploymentOptions options)
{
var deployment = _services.DeploymentLifecycleService.GetDeploymentById(deploymentId);
if (deployment == null)
{
var stageUri = _services.StageRecoveryService.DeploymentGetStage(deploymentId);
if (stageUri != null)
{
throw new EPUndeployPreconditionException("Deployment id '" + deploymentId + "' is staged and cannot be undeployed");
}
throw new EPUndeployNotFoundException("Deployment id '" + deploymentId + "' cannot be found");
}
var statements = deployment.Statements;
if (options == null)
{
options = new UndeploymentOptions();
}
using (options.UndeploymentLockStrategy.Acquire(_services.EventProcessingRWLock)) {
// build list of statements in reverse order
var reverted = new StatementContext[statements.Length];
var count = reverted.Length - 1;
foreach (var stmt in statements)
{
reverted[count--] = ((EPStatementSPI)stmt).StatementContext;
}
// check module preconditions
var moduleName = deployment.ModuleProvider.ModuleName;
Undeployer.CheckModulePreconditions(deploymentId, moduleName, deployment, _services);
// check preconditions
try {
foreach (var statement in reverted)
{
statement.StatementAIFactoryProvider.Factory.StatementDestroyPreconditions(statement);
}
}
catch (UndeployPreconditionException t) {
throw new EPUndeployException("Precondition not satisfied for undeploy: " + t.Message, t);
}
// disassociate statements
Undeployer.Disassociate(statements);
// undeploy statements
Exception undeployException = null;
try {
Undeployer.Undeploy(deploymentId, deployment.DeploymentTypes, reverted, deployment.ModuleProvider, _services);
}
catch (Exception ex) {
log.Error("Exception encountered during undeploy: " + ex.Message, ex);
undeployException = ex;
}
// remove deployment
_services.EpServicesHA.DeploymentRecoveryService.Remove(deploymentId);
_services.DeploymentLifecycleService.RemoveDeployment(deploymentId);
DispatchOnUndeploymentEvent(deployment, -1);
// rethrow exception if configured
if (undeployException != null &&
_services.ConfigSnapshot.Runtime.ExceptionHandling.UndeployRethrowPolicy == RETHROW_FIRST)
{
throw new EPUndeployException("Undeploy completed with an exception: " + undeployException.Message, undeployException);
}
((EPEventServiceSPI)_runtime.EventService).ClearCaches();
}
}
