public static void CheckModulePreconditions(
string deploymentId,
string moduleName,
DeploymentInternal deployment,
EPServicesContext services)
{
foreach (var namedWindow in deployment.PathNamedWindows)
{
CheckDependency(services.NamedWindowPathRegistry, namedWindow, moduleName);
}
foreach (var table in deployment.PathTables)
{
CheckDependency(services.TablePathRegistry, table, moduleName);
}
foreach (var variable in deployment.PathVariables)
{
CheckDependency(services.VariablePathRegistry, variable, moduleName);
}
foreach (var context in deployment.PathContexts)
{
CheckDependency(services.ContextPathRegistry, context, moduleName);
}
foreach (var eventType in deployment.PathEventTypes)
{
CheckDependency(services.EventTypePathRegistry, eventType, moduleName);
}
foreach (var exprDecl in deployment.PathExprDecls)
{
CheckDependency(services.ExprDeclaredPathRegistry, exprDecl, moduleName);
}
foreach (var script in deployment.PathScripts)
{
CheckDependency(services.ScriptPathRegistry, script, moduleName);
}
foreach (var index in deployment.PathIndexes)
{
if (index.IsNamedWindow)
{
var namedWindow = services.NamedWindowPathRegistry.GetWithModule(index.InfraName, index.InfraModuleName);
ValidateIndexPrecondition(namedWindow.IndexMetadata, index, deploymentId);
}
else
{
var table = services.TablePathRegistry.GetWithModule(index.InfraName, index.InfraModuleName);
ValidateIndexPrecondition(table.IndexMetadata, index, deploymentId);
}
}
foreach (var classProvided in deployment.PathClassProvideds)
{
CheckDependency(services.ClassProvidedPathRegistry, classProvided, moduleName);
}
}
private void DispatchOnUndeploymentEvent(
DeploymentInternal result,
int rolloutItemNumber)
{
var listeners = _services.DeploymentLifecycleService.Listeners;
if (listeners.IsEmpty())
{
return;
}
var statements = result.Statements;
var @event = new DeploymentStateEventUndeployed(
_services.RuntimeURI,
result.DeploymentId,
result.ModuleProvider.ModuleName,
statements,
rolloutItemNumber);
foreach (DeploymentStateListener listener in listeners)
{
try {
listener.OnUndeployment(@event);
}
catch (Exception ex) {
HandleDeploymentEventListenerException("on-undeployment", ex);
}
}
}
internal static DeploymentRecoveryInformation GetRecoveryInformation(DeploymentInternal deployerResult)
{
IDictionary <int, object> userObjects = EmptyDictionary <int, object> .Instance;
IDictionary <int, string> statementNamesWhenOverridden = EmptyDictionary <int, string> .Instance;
foreach (var stmt in deployerResult.Statements)
{
var spi = (EPStatementSPI)stmt;
if (stmt.UserObjectRuntime != null)
{
if (userObjects.IsEmpty())
{
userObjects = new Dictionary <int, object>();
}
userObjects.Put(spi.StatementId, spi.StatementContext.UserObjectRuntime);
}
if (!spi.StatementContext.StatementInformationals.StatementNameCompileTime.Equals(spi.Name))
{
if (statementNamesWhenOverridden.IsEmpty())
{
statementNamesWhenOverridden = new Dictionary <int, string>();
}
statementNamesWhenOverridden.Put(spi.StatementId, spi.Name);
}
}
return(new DeploymentRecoveryInformation(userObjects, statementNamesWhenOverridden));
}
public EventType GetEventType(string deploymentId, string eventTypeName)
{
DeploymentInternal deployment = services.DeploymentLifecycleService.GetDeploymentById(deploymentId);
if (deployment == null)
{
return null;
}
string moduleName = deployment.ModuleProvider.ModuleName;
return services.EventTypePathRegistry.GetWithModule(eventTypeName, moduleName);
}
// what are the dependencies that the given deployment provides to other modules?
public static EPDeploymentDependencyProvided GetDependenciesProvided(
string selfDeploymentId,
EPServicesPath paths,
DeploymentLifecycleService deploymentLifecycleService)
{
DeploymentInternal selfDeployment = deploymentLifecycleService.GetDeploymentById(selfDeploymentId);
if (selfDeployment == null)
{
return(null);
}
IList <EPDeploymentDependencyProvided.Item> dependencies = new List <EPDeploymentDependencyProvided.Item>(4);
string moduleName = selfDeployment.ModuleProvider.ModuleName;
HandleProvided(selfDeployment.PathNamedWindows, EPObjectType.NAMEDWINDOW, paths.NamedWindowPathRegistry, moduleName, dependencies, name => name);
HandleProvided(selfDeployment.PathTables, EPObjectType.TABLE, paths.TablePathRegistry, moduleName, dependencies, name => name);
HandleProvided(selfDeployment.PathVariables, EPObjectType.VARIABLE, paths.VariablePathRegistry, moduleName, dependencies, name => name);
HandleProvided(selfDeployment.PathContexts, EPObjectType.CONTEXT, paths.ContextPathRegistry, moduleName, dependencies, name => name);
HandleProvided(selfDeployment.PathEventTypes, EPObjectType.EVENTTYPE, paths.EventTypePathRegistry, moduleName, dependencies, name => name);
HandleProvided(selfDeployment.PathExprDecls, EPObjectType.EXPRESSION, paths.ExprDeclaredPathRegistry, moduleName, dependencies, name => name);
HandleProvided(selfDeployment.PathScripts, EPObjectType.SCRIPT, paths.ScriptPathRegistry, moduleName, dependencies, SCRIPT_OBJECTNAME);
HandleProvided(
selfDeployment.PathClassProvideds,
EPObjectType.CLASSPROVIDED,
paths.ClassProvidedPathRegistry,
moduleName,
dependencies,
name => name);
foreach (ModuleIndexMeta objectName in selfDeployment.PathIndexes)
{
EventTableIndexMetadata indexMetadata = GetIndexMetadata(objectName, moduleName, paths);
if (indexMetadata == null)
{
continue;
}
EventTableIndexMetadataEntry meta = indexMetadata.GetIndexEntryByName(objectName.IndexName);
if (meta != null && meta.ReferringDeployments != null && meta.ReferringDeployments.Length > 0)
{
ISet <string> referred = new HashSet <string>(Arrays.AsList(meta.ReferringDeployments));
referred.Remove(selfDeploymentId);
if (!referred.IsEmpty())
{
dependencies.Add(new EPDeploymentDependencyProvided.Item(EPObjectType.INDEX, INDEX_OBJECTNAME.Invoke(objectName), referred));
}
}
}
return(new EPDeploymentDependencyProvided(dependencies));
}
private EPDeployment MakeDeployment(DeploymentInternal deployerResult)
{
var copy = new EPStatement[deployerResult.Statements.Length];
Array.Copy(deployerResult.Statements, 0, copy, 0, deployerResult.Statements.Length);
return(new EPDeployment(
deployerResult.DeploymentId,
deployerResult.ModuleProvider.ModuleName,
deployerResult.ModulePropertiesCached,
copy,
CollectionUtil.CopyArray(deployerResult.DeploymentIdDependencies),
DateTimeHelper.GetCurrentTime()));
}
private static DeploymentInternal DeploySafe(
bool recovery,
string deploymentId,
int statementIdFirstStatement,
EPCompiled compiled,
StatementNameRuntimeOption statementNameResolverRuntime,
StatementUserObjectRuntimeOption userObjectResolverRuntime,
StatementSubstitutionParameterOption substitutionParameterResolver,
DeploymentClassLoaderOption deploymentClassLoaderOption,
EPRuntimeSPI epRuntime)
{
var services = epRuntime.ServicesContext;
var deploymentClassLoader = DeployerHelperResolver.GetClassLoader(-1, deploymentClassLoaderOption, services);
var moduleProvider = ModuleProviderUtil.Analyze(compiled, deploymentClassLoader, services.ClassProvidedPathRegistry);
if (moduleProvider.ClassLoader is ClassProvidedImportClassLoader)
{
((ClassProvidedImportClassLoader)moduleProvider.ClassLoader).Imported = moduleProvider.ModuleProvider.ModuleDependencies.PathClasses;
}
var moduleName = moduleProvider.ModuleProvider.ModuleName;
// resolve external dependencies
var moduleDependencies = moduleProvider.ModuleProvider.ModuleDependencies;
var deploymentIdDependencies = ResolveDependencies(-1, moduleDependencies, services);
// initialize EPL objects defined by module
var moduleEPLObjects = InitializeEPLObjects(moduleProvider, deploymentId, services);
// determine staged EPL object overlap
ValidateStagedEPLObjects(moduleEPLObjects, moduleProvider.ModuleProvider.ModuleName, -1, epRuntime.StageService);
// add EPL objects defined by module to path
var modulePaths = UpdatePath(-1, moduleEPLObjects, moduleName, deploymentId, services);
// obtain statement lightweights
var stmtLightweights = InitializeStatements(
-1,
recovery,
moduleEPLObjects,
modulePaths,
moduleName,
moduleProvider,
deploymentId,
statementIdFirstStatement,
userObjectResolverRuntime,
statementNameResolverRuntime,
substitutionParameterResolver,
services);
// start statements depending on context association
var statements = DeployStatements(
-1, stmtLightweights.Lightweights, recovery, modulePaths, moduleProvider, deploymentId, epRuntime);
// add dependencies
AddPathDependencies(deploymentId, moduleDependencies, services);
// keep statement and deployment
var deployed = DeploymentInternal.From(
deploymentId,
statements,
deploymentIdDependencies,
modulePaths,
moduleEPLObjects,
moduleProvider);
services.DeploymentLifecycleService.AddDeployment(deploymentId, deployed);
// register for recovery
if (!recovery)
{
var recoveryInformation = GetRecoveryInformation(deployed);
services.DeploymentRecoveryService.Add(
deploymentId,
statementIdFirstStatement,
compiled,
recoveryInformation.StatementUserObjectsRuntime,
recoveryInformation.StatementNamesWhenProvidedByAPI,
stmtLightweights.SubstitutionParameters);
}
return(deployed);
}
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));
}
