private static void RolloutCleanStatements(
EPStatement[][] statements,
DeployerModuleStatementLightweights[] stmtLightweights,
DeployerRolloutInitResult[] inits,
string[] deploymentIds,
ModuleProviderCLPair[] moduleProviders,
EPServicesContext services)
{
for (var i = statements.Length - 1; i >= 0; i--)
{
if (statements[i] != null)
{
DeployerHelperResolver.ReverseDeployment(
deploymentIds[i],
inits[i].ModulePaths.DeploymentTypes,
stmtLightweights[i].Lightweights,
statements[i],
moduleProviders[i],
services);
stmtLightweights[i] = null;
inits[i] = null;
}
}
RolloutCleanLightweights(stmtLightweights, inits, deploymentIds, moduleProviders, services);
}
public EPDeployment Deploy(
EPCompiled compiled,
DeploymentOptions options)
{
using (_services.Container.EnterContextualReflection()) {
if (options == null)
{
options = new DeploymentOptions();
}
ValidateRuntimeAlive();
CheckManifest(-1, compiled.Manifest);
DeploymentInternal deployerResult;
using (GetDeploymentLock(options)) {
var statementIdRecovery = _services.EpServicesHA.StatementIdRecoveryService;
var currentStatementId = statementIdRecovery.CurrentStatementId;
if (currentStatementId == null)
{
currentStatementId = 1;
}
var deploymentId = DeployerHelperResolver.DetermineDeploymentIdCheckExists(
-1,
options,
_runtime.ServicesContext.DeploymentLifecycleService);
deployerResult = Deployer.DeployFresh(
deploymentId,
currentStatementId.Value,
compiled,
options.StatementNameRuntime,
options.StatementUserObjectRuntime,
options.StatementSubstitutionParameter,
options.DeploymentClassLoaderOption,
_runtime);
statementIdRecovery.CurrentStatementId = currentStatementId + deployerResult.Statements.Length;
// dispatch event
DispatchOnDeploymentEvent(deployerResult, -1);
}
return(MakeDeployment(deployerResult));
}
}
private static DeployerRolloutInitResult ResolveDependenciesInitEPLObjects(
int rolloutItemNumber,
string deploymentId,
ModuleProviderCLPair moduleProvider,
EPServicesContext services,
EPStageService stageService)
{
var moduleDependencies = moduleProvider.ModuleProvider.ModuleDependencies;
var deploymentIdDependencies = DeployerHelperResolver.ResolveDependencies(rolloutItemNumber, moduleDependencies, services);
// initialize EPL objects defined by module
var moduleEPLObjects = InitializeEPLObjects(moduleProvider, deploymentId, services);
// determine staged EPL object overlap
ValidateStagedEPLObjects(moduleEPLObjects, moduleProvider.ModuleProvider.ModuleName, rolloutItemNumber, stageService);
// add EPL objects defined by module to path
var moduleName = moduleProvider.ModuleProvider.ModuleName;
var modulePaths = UpdatePath(rolloutItemNumber, moduleEPLObjects, moduleName, deploymentId, services);
return(new DeployerRolloutInitResult(deploymentIdDependencies, moduleEPLObjects, modulePaths, moduleName));
}
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 DeployerModuleStatementLightweights InitializeStatements(
int rolloutItemNumber,
bool recovery,
DeployerModuleEPLObjects moduleEPLObjects,
DeployerModulePaths modulePaths,
string moduleName,
ModuleProviderCLPair moduleProvider,
string deploymentId,
int statementIdFirstStatement,
StatementUserObjectRuntimeOption userObjectResolverRuntime,
StatementNameRuntimeOption statementNameResolverRuntime,
StatementSubstitutionParameterOption substitutionParameterResolver,
EPServicesContext services)
{
// get module statements
IList <StatementProvider> statementResources;
try {
statementResources = moduleProvider.ModuleProvider.Statements;
}
catch (Exception e) {
throw new EPException(e);
}
// initialize all statements
IList <StatementLightweight> lightweights = new List <StatementLightweight>();
IDictionary <int, IDictionary <int, object> > substitutionParameters;
ISet <string> statementNames = new HashSet <string>();
var moduleIncidentals = moduleEPLObjects.Incidentals;
try {
var statementId = statementIdFirstStatement;
foreach (var statement in statementResources)
{
var lightweight = InitStatement(
recovery,
moduleName,
statement,
deploymentId,
statementId,
moduleEPLObjects.EventTypeResolver,
moduleIncidentals,
statementNameResolverRuntime,
userObjectResolverRuntime,
moduleProvider.ClassLoader,
services);
lightweights.Add(lightweight);
statementId++;
var statementName = lightweight.StatementContext.StatementName;
if (statementNames.Contains(statementName))
{
throw new EPDeployException(
"Duplicate statement name provide by statement name resolver for statement name '" + statementName + "'",
rolloutItemNumber);
}
statementNames.Add(statementName);
}
// set parameters
substitutionParameters = SetSubstitutionParameterValues(rolloutItemNumber, deploymentId, lightweights, substitutionParameterResolver);
}
catch (Exception) {
DeployerHelperResolver.ReverseDeployment(deploymentId, modulePaths.DeploymentTypes, lightweights, new EPStatement[0], moduleProvider, services);
throw;
}
return(new DeployerModuleStatementLightweights(statementIdFirstStatement, lightweights, substitutionParameters));
}
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));
}