internal static EPStatement[] DeployStatements(
int rolloutItemNumber,
IList <StatementLightweight> lightweights,
bool recovery,
DeployerModulePaths modulePaths,
ModuleProviderCLPair provider,
string deploymentId,
EPRuntimeSPI epRuntime)
{
var statements = new EPStatement[lightweights.Count];
var count = 0;
foreach (var lightweight in lightweights)
{
EPStatementSPI stmt;
try {
stmt = DeployerHelperStatement.DeployStatement(recovery, lightweight, epRuntime);
}
catch (Exception ex) {
try {
ReverseDeployment(deploymentId, modulePaths.DeploymentTypes, lightweights, statements, provider, epRuntime.ServicesContext);
}
catch (Exception udex) {
log.Warn(udex.Message, udex);
}
throw new EPDeployException("Failed to deploy: " + ex.Message, ex, rolloutItemNumber);
}
statements[count++] = stmt;
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get()
.QaEngineManagementStmtStarted(
epRuntime.URI,
deploymentId,
lightweight.StatementContext.StatementId,
stmt.Name,
(string)stmt.GetProperty(StatementProperty.EPL),
epRuntime.EventService.CurrentTime);
}
}
return(statements);
}
public static DeployerRolloutDeploymentResult Rollout(
int currentStatementId,
ICollection <EPDeploymentRolloutCompiled> itemsProvided,
EPRuntimeSPI runtime)
{
var items = itemsProvided.ToArray();
// per-deployment: determine deployment id
var deploymentIds = new string[items.Length];
var deploymentIdSet = new HashSet <string>();
for (var i = 0; i < items.Length; i++)
{
deploymentIds[i] = DeployerHelperResolver.DetermineDeploymentIdCheckExists(
i,
items[i].Options,
runtime.ServicesContext.DeploymentLifecycleService);
if (!deploymentIdSet.Add(deploymentIds[i]))
{
throw new EPDeployException("Deployment id '" + deploymentIds[i] + "' occurs multiple times in the rollout", i);
}
}
// per-deployment: obtain module providers
var moduleProviders = new ModuleProviderCLPair[items.Length];
for (var i = 0; i < items.Length; i++)
{
var classLoader = DeployerHelperResolver.GetClassLoader(i, items[i].Options.DeploymentClassLoaderOption, runtime.ServicesContext);
try {
moduleProviders[i] = ModuleProviderUtil.Analyze(items[i].Compiled, classLoader, runtime.ServicesContext.ClassProvidedPathRegistry);
}
catch (Exception) {
RolloutCleanClassloader(deploymentIds, runtime.ServicesContext);
}
}
// per-deployment: check dependencies and initialize EPL objects
var inits = new DeployerRolloutInitResult[items.Length];
for (var i = 0; i < items.Length; i++)
{
try {
inits[i] = ResolveDependenciesInitEPLObjects(i, deploymentIds[i], moduleProviders[i], runtime.ServicesContext, runtime.StageService);
}
catch (EPDeployException) {
RolloutCleanPathAndTypes(inits, deploymentIds, runtime.ServicesContext);
throw;
}
catch (Exception ex) {
RolloutCleanPathAndTypes(inits, deploymentIds, runtime.ServicesContext);
throw new EPDeployException(ex.Message, ex, i);
}
}
// per-deployment - obtain statement lightweights
var stmtLightweights = new DeployerModuleStatementLightweights[items.Length];
var numStatements = 0;
for (var i = 0; i < items.Length; i++)
{
var statementIdStart = currentStatementId + numStatements;
try {
stmtLightweights[i] = InitializeStatements(
i,
false,
inits[i].ModuleEPLObjects,
inits[i].ModulePaths,
inits[i].ModuleName,
moduleProviders[i],
deploymentIds[i],
statementIdStart,
items[i].Options.StatementUserObjectRuntime,
items[i].Options.StatementNameRuntime,
items[i].Options.StatementSubstitutionParameter,
runtime.ServicesContext);
}
catch (EPDeployException ex) {
RolloutCleanLightweights(stmtLightweights, inits, deploymentIds, moduleProviders, runtime.ServicesContext);
throw ex;
}
catch (Exception ex) {
RolloutCleanLightweights(stmtLightweights, inits, deploymentIds, moduleProviders, runtime.ServicesContext);
throw new EPDeployException(ex.Message, ex, i);
}
numStatements += stmtLightweights[i].Lightweights.Count;
}
// per-deployment: start statements depending on context association
var statements = new EPStatement[items.Length][];
for (var i = 0; i < items.Length; i++)
{
try {
statements[i] = DeployerHelperStatement.DeployStatements(
i,
stmtLightweights[i].Lightweights,
false,
inits[i].ModulePaths,
moduleProviders[i],
deploymentIds[i],
runtime);
}
catch (EPDeployException ex) {
RolloutCleanStatements(statements, stmtLightweights, inits, deploymentIds, moduleProviders, runtime.ServicesContext);
throw ex;
}
catch (Exception t) {
RolloutCleanStatements(statements, stmtLightweights, inits, deploymentIds, moduleProviders, runtime.ServicesContext);
throw new EPDeployException(t.Message, t, i);
}
}
// per-deployment: add paths dependency information and add deployment
var deployments = new DeploymentInternal[items.Length];
for (var i = 0; i < items.Length; i++)
{
try {
// add dependencies
AddPathDependencies(deploymentIds[i], moduleProviders[i].ModuleProvider.ModuleDependencies, runtime.ServicesContext);
// keep statement and deployment
deployments[i] = DeploymentInternal.From(
deploymentIds[i],
statements[i],
inits[i].DeploymentIdDependencies,
inits[i].ModulePaths,
inits[i].ModuleEPLObjects,
moduleProviders[i]);
runtime.ServicesContext.DeploymentLifecycleService.AddDeployment(deploymentIds[i], deployments[i]);
// register for recovery
DeploymentRecoveryInformation recoveryInformation = GetRecoveryInformation(deployments[i]);
runtime.ServicesContext.DeploymentRecoveryService.Add(
deploymentIds[i],
stmtLightweights[i].StatementIdFirstStatement,
items[i].Compiled,
recoveryInformation.StatementUserObjectsRuntime,
recoveryInformation.StatementNamesWhenProvidedByAPI,
stmtLightweights[i].SubstitutionParameters);
}
catch (Exception t) {
RolloutCleanStatements(statements, stmtLightweights, inits, deploymentIds, moduleProviders, runtime.ServicesContext);
throw new EPDeployException(t.Message, t, i);
}
}
return(new DeployerRolloutDeploymentResult(numStatements, deployments));
}