Class BaseMonitor
- java.lang.Object
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- org.apache.derby.impl.services.monitor.BaseMonitor
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- All Implemented Interfaces:
BundleFinder
,ModuleFactory
- Direct Known Subclasses:
FileMonitor
abstract class BaseMonitor extends java.lang.Object implements ModuleFactory, BundleFinder
Implementation of the monitor that uses the class loader that the its was loaded in for all class loading.
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Nested Class Summary
Nested Classes Modifier and Type Class Description (package private) class
BaseMonitor.ProviderEnumeration
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Field Summary
Fields Modifier and Type Field Description (package private) java.util.Properties
applicationProperties
(package private) java.util.Properties
bootProperties
private ContextService
contextService
(package private) java.lang.ThreadGroup
daemonGroup
private boolean
dumpedTempWriter
private java.util.List<java.util.List<java.lang.Class<?>>>
implementationSets
(package private) boolean
inShutdown
private static java.lang.String
LINE
private java.io.PrintWriter
logging
private InstanceGetter[]
rc2
(package private) boolean
reportOn
private static java.lang.String
SERVICE
Look for any services in the a properties set and the application property set and then start them.private java.util.HashMap<java.lang.String,PersistentService>
serviceProviders
Hash table of objects that implement PersistentService keyed by their getType() method.private java.util.Vector<TopService>
services
private static java.util.HashMap<java.lang.String,java.lang.String>
storageFactories
private InfoStreams
systemStreams
private TimerFactory
timerFactory
private AccessibleByteArrayOutputStream
tmpArray
private java.io.PrintWriter
tmpWriter
private UUIDFactory
uuidFactory
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Constructor Summary
Constructors Constructor Description BaseMonitor()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description private void
addDebugFlags(java.lang.String flags, boolean set)
(package private) abstract java.io.InputStream
applicationPropertiesStream()
Get InputStream for application properties file Returns nul if it does not exist.(package private) static void
boot(java.lang.Object module, boolean create, java.util.Properties properties)
Boot a module.private void
bootPersistentServices()
Boot all persistent services that can be located at run time.protected void
bootProviderServices(PersistentService provider)
Boot all persistent services that can be located by a single service provider
This method enumerates through all the service providers that are active and calls bootPersistentServices(PersistentService) to boot all the services that that provider knows about.protected java.lang.Object
bootService(PersistentService provider, java.lang.String factoryInterface, java.lang.String serviceName, java.util.Properties properties, boolean create)
Boot (start or create) a service (persistent or non-persistent).(package private) static boolean
canSupport(java.lang.Object instance, java.util.Properties properties)
If the module implements ModuleSupportable then call its canSupport() method to see if it can or should run in this setup.InstanceGetter
classFromIdentifier(int fmtId)
Obtain a class that supports the given identifier.java.lang.Object
createPersistentService(java.lang.String factoryInterface, java.lang.String name, java.util.Properties properties)
Create a persistent service.private void
determineSupportedServiceProviders()
Determine which of the set of service providers (PersistentService objects) are supported in the current environment.(package private) void
dumpProperties(java.lang.String title, java.util.Properties props)
private void
dumpTempWriter(boolean bothPlaces)
private static int
findImplementation(java.util.List<java.lang.Class<?>> implementations, int startIndex, java.lang.Class<?> factoryInterface)
Find a class that implements the required index, return the index into the implementations vector of that class.java.lang.Object
findModule(java.lang.Object serviceModule, java.lang.String factoryInterface, java.lang.String identifier)
Find the module in the system with the given module protocol, protocolVersion and identifier.private boolean
findProviderAndStartService(java.lang.String name, java.util.Properties properties, boolean bootTime)
Find a provider and start a service.protected PersistentService
findProviderForCreate(java.lang.String name)
private PersistentService
findProviderFromName(java.lang.String name, int colon)
Find the service provider from a name that includes a service type, ie. is of the form 'type:name'.java.lang.Object
findService(java.lang.String factoryInterface, java.lang.String serviceName)
Find a service.private TopService
findTopService(java.lang.Object serviceModule)
java.util.Properties
getApplicationProperties()
Return the application set of properties which correspond to the set of properties in the file derby.properties.java.util.ResourceBundle
getBundle(java.lang.String messageId)
Get the locale from the ContextManager and then find the bundle based upon that locale.java.lang.String
getCanonicalServiceName(java.lang.String userSpecifiedName)
Canonicalize a service name, mapping different user-specifications of a database name onto a single, standard name.private static ContextService
getContextService()
Privileged lookup of the ContextService.java.lang.Thread
getDaemonThread(java.lang.Runnable task, java.lang.String name, boolean setMinPriority)
Get a newly created background thread.private java.util.Vector<java.lang.Class<?>>
getDefaultImplementations()
(package private) java.util.Properties
getDefaultModuleProperties()
Get the complete set of module properties by loading in contents of all the org/apache/derby/modules.properties files.private java.util.Vector<java.lang.Class<?>>
getImplementations(java.util.Properties moduleList, boolean actualModuleList)
Create an implementation set.java.util.Locale
getLocale(java.lang.Object serviceModule)
Return the locale of the service that the passed in module lives in.java.util.Locale
getLocaleFromString(java.lang.String localeDescription)
Translate a string of the form ll[_CC[_variant]] to a Locale.private PersistentService
getPersistentService(java.lang.String subSubProtocol)
Return a PersistentService implementation to handle the subSubProtocol.private PersistentService
getPersistentService(java.lang.String className, java.lang.String subSubProtocol)
private boolean
getPersistentServiceImplementation(java.lang.Class<?> possibleModule)
java.lang.String[]
getServiceList(java.lang.String protocol)
Return an array of the service identifiers that are running and implement the passed in protocol (java interface class name).java.lang.String
getServiceName(java.lang.Object serviceModule)
Return the name of the service that the passed in module lives in.PersistentService
getServiceProvider(java.lang.String subSubProtocol)
Return the PersistentService for a subsubprotocol.PersistentService
getServiceType(java.lang.Object serviceModule)
Return the PersistentService object for a service.private java.lang.String
getStorageFactoryClassName(java.lang.String subSubProtocol)
Find the StorageFactory class name that handles the subSub protocol.InfoStreams
getSystemStreams()
Get the defined default system streams object.private java.io.PrintWriter
getTempWriter()
TimerFactory
getTimerFactory()
Returns the Timer factory for this system.UUIDFactory
getUUIDFactory()
Return the UUID factory for this system.(package private) abstract boolean
initialize(boolean lite)
Initialize the monitor wrt the current environemnt.boolean
isDaemonThread(java.lang.Thread thread)
Check if a thread is a daemon thread created byModuleFactory.getDaemonThread(java.lang.Runnable, java.lang.String, boolean)
.protected java.lang.Object
loadInstance(java.lang.Class<?> factoryInterface, java.util.Properties properties)
load a module instance.private java.lang.Object
loadInstance(java.util.List<java.lang.Class<?>> implementations, java.lang.Class<?> factoryInterface, java.util.Properties properties)
private java.lang.Object
newInstance(java.lang.Class<?> classObject)
Return a new instance of classclassObject
using a no-param constructor.java.lang.Object
newInstanceFromIdentifier(int identifier)
Obtain an new instance of a class that supports the given identifier.protected java.util.Properties
readApplicationProperties()
void
removePersistentService(java.lang.String name)
Removes a PersistentService.protected static java.util.Properties
removeRuntimeProperties(java.util.Properties properties)
Return a property set that has the runtime properties removed.protected void
report(java.lang.String message)
Should only be called if reportOn is true apart from report/Exception().protected void
reportException(java.lang.Throwable t)
protected void
runWithState(java.util.Properties properties, java.io.PrintWriter log)
java.util.Locale
setLocale(java.lang.Object serviceModule, java.lang.String userDefinedLocale)
Set the locale for the service *outside* of boot time.private static java.util.Locale
setLocale(java.util.Properties properties)
java.util.Locale
setLocale(java.util.Properties serviceProperties, java.lang.String userDefinedLocale)
Set the locale for the service at boot time.private static boolean
setMonitor(BaseMonitor baseMonitor)
Privileged startup.void
shutdown()
Shut down the complete system that was started by this Monitor.void
shutdown(java.lang.Object serviceModule)
Shut down a service that was started by this Monitor.java.lang.Object
startModule(boolean create, java.lang.Object serviceModule, java.lang.String factoryInterface, java.lang.String identifier, java.util.Properties properties)
Start a module.java.lang.Object
startNonPersistentService(java.lang.String factoryInterface, java.lang.String serviceName, java.util.Properties properties)
Start a non-persistent service.boolean
startPersistentService(java.lang.String name, java.util.Properties properties)
Start a peristent service.protected void
startProviderService(PersistentService provider, java.lang.String serviceName, java.util.Properties serviceProperties)
Boot a service under the control of the providervoid
startServices(java.util.Properties properties, boolean bootAll)
Start all services identified by derby.service.* in the property set.private static java.util.Locale
staticGetLocaleFromString(java.lang.String localeDescription)
private static void
stopContextService()
Privileged shutdown of the ContextService.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.derby.iapi.services.monitor.ModuleFactory
getEngineVersion, getEnvironment, getJVMProperty
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Field Detail
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serviceProviders
private final java.util.HashMap<java.lang.String,PersistentService> serviceProviders
Hash table of objects that implement PersistentService keyed by their getType() method.
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LINE
private static final java.lang.String LINE
- See Also:
- Constant Field Values
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implementationSets
private java.util.List<java.util.List<java.lang.Class<?>>> implementationSets
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services
private final java.util.Vector<TopService> services
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bootProperties
java.util.Properties bootProperties
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applicationProperties
java.util.Properties applicationProperties
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inShutdown
boolean inShutdown
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systemStreams
private InfoStreams systemStreams
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contextService
private ContextService contextService
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uuidFactory
private UUIDFactory uuidFactory
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timerFactory
private TimerFactory timerFactory
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reportOn
boolean reportOn
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logging
private java.io.PrintWriter logging
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daemonGroup
java.lang.ThreadGroup daemonGroup
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rc2
private InstanceGetter[] rc2
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SERVICE
private static final java.lang.String SERVICE
Look for any services in the a properties set and the application property set and then start them. A service is defined by derby.service.name=protocol- See Also:
- Constant Field Values
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storageFactories
private static final java.util.HashMap<java.lang.String,java.lang.String> storageFactories
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tmpWriter
private java.io.PrintWriter tmpWriter
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tmpArray
private AccessibleByteArrayOutputStream tmpArray
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dumpedTempWriter
private boolean dumpedTempWriter
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Method Detail
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getSystemStreams
public InfoStreams getSystemStreams()
Description copied from interface:ModuleFactory
Get the defined default system streams object.- Specified by:
getSystemStreams
in interfaceModuleFactory
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shutdown
public void shutdown()
Description copied from interface:ModuleFactory
Shut down the complete system that was started by this Monitor. Will cause the stop() method to be called on each loaded module.- Specified by:
shutdown
in interfaceModuleFactory
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shutdown
public void shutdown(java.lang.Object serviceModule)
Shut down a service that was started by this Monitor. Will cause the stop() method to be called on each loaded module.- Specified by:
shutdown
in interfaceModuleFactory
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runWithState
protected final void runWithState(java.util.Properties properties, java.io.PrintWriter log)
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getCanonicalServiceName
public java.lang.String getCanonicalServiceName(java.lang.String userSpecifiedName) throws StandardException
Description copied from interface:ModuleFactory
Canonicalize a service name, mapping different user-specifications of a database name onto a single, standard name.- Specified by:
getCanonicalServiceName
in interfaceModuleFactory
- Throws:
StandardException
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findService
public java.lang.Object findService(java.lang.String factoryInterface, java.lang.String serviceName)
Description copied from interface:ModuleFactory
Find a service.
Do not call directly - use Monitor.findService()- Specified by:
findService
in interfaceModuleFactory
- Returns:
- a refrence to a module represeting the service or null if the service does not exist.
- See Also:
Monitor.findService(java.lang.String, java.lang.String)
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getLocale
public java.util.Locale getLocale(java.lang.Object serviceModule)
Description copied from interface:ModuleFactory
Return the locale of the service that the passed in module lives in. Will return null if no-locale has been defined.- Specified by:
getLocale
in interfaceModuleFactory
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getLocaleFromString
public java.util.Locale getLocaleFromString(java.lang.String localeDescription) throws StandardException
Description copied from interface:ModuleFactory
Translate a string of the form ll[_CC[_variant]] to a Locale. This is in the Monitor because we want this translation to be in only one place in the code.- Specified by:
getLocaleFromString
in interfaceModuleFactory
- Throws:
StandardException
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getServiceName
public java.lang.String getServiceName(java.lang.Object serviceModule)
Return the name of the service that the passed in module lives in.- Specified by:
getServiceName
in interfaceModuleFactory
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setLocale
public java.util.Locale setLocale(java.lang.Object serviceModule, java.lang.String userDefinedLocale) throws StandardException
Set the locale for the service *outside* of boot time.- Specified by:
setLocale
in interfaceModuleFactory
userDefinedLocale
- A String in the form xx_YY, where xx is the language code and YY is the country code.- Returns:
- The new Locale for the service
- Throws:
StandardException
- Standard Derby error.
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setLocale
public java.util.Locale setLocale(java.util.Properties serviceProperties, java.lang.String userDefinedLocale) throws StandardException
Set the locale for the service at boot time. The passed in properties must be the one passed to the boot method.- Specified by:
setLocale
in interfaceModuleFactory
- Throws:
StandardException
- Standard Derby error.
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getServiceType
public PersistentService getServiceType(java.lang.Object serviceModule)
Return the PersistentService object for a service. Will return null if the service does not exist.- Specified by:
getServiceType
in interfaceModuleFactory
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startModule
public java.lang.Object startModule(boolean create, java.lang.Object serviceModule, java.lang.String factoryInterface, java.lang.String identifier, java.util.Properties properties) throws StandardException
Start a module.- Specified by:
startModule
in interfaceModuleFactory
- Throws:
StandardException
- se An attempt to start the module failed.- See Also:
ModuleFactory.startModule(boolean, java.lang.Object, java.lang.String, java.lang.String, java.util.Properties)
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findTopService
private TopService findTopService(java.lang.Object serviceModule)
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findModule
public java.lang.Object findModule(java.lang.Object serviceModule, java.lang.String factoryInterface, java.lang.String identifier)
Description copied from interface:ModuleFactory
Find the module in the system with the given module protocol, protocolVersion and identifier.- Specified by:
findModule
in interfaceModuleFactory
- Returns:
- The module instance if found, or null.
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classFromIdentifier
public InstanceGetter classFromIdentifier(int fmtId) throws StandardException
Obtain a class that supports the given identifier.- Specified by:
classFromIdentifier
in interfaceModuleFactory
- Parameters:
fmtId
- identifer to associate with class- Returns:
- a reference InstanceGetter
- Throws:
StandardException
- See Monitor.classFromIdentifier- See Also:
ModuleFactory.classFromIdentifier(int)
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newInstanceFromIdentifier
public java.lang.Object newInstanceFromIdentifier(int identifier) throws StandardException
Obtain an new instance of a class that supports the given identifier.- Specified by:
newInstanceFromIdentifier
in interfaceModuleFactory
- Parameters:
identifier
- identifer to associate with class- Returns:
- a reference to a newly created object or null if a matching class cannot be found.
- Throws:
StandardException
- See Monitor.newInstanceFromIdentifier
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loadInstance
protected java.lang.Object loadInstance(java.lang.Class<?> factoryInterface, java.util.Properties properties)
load a module instance. Look through the implementations for a module that implements the required factory interface and can handle the properties given. The module's start or create method is not called.
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loadInstance
private java.lang.Object loadInstance(java.util.List<java.lang.Class<?>> implementations, java.lang.Class<?> factoryInterface, java.util.Properties properties)
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findImplementation
private static int findImplementation(java.util.List<java.lang.Class<?>> implementations, int startIndex, java.lang.Class<?> factoryInterface)
Find a class that implements the required index, return the index into the implementations vector of that class. Returns -1 if no class could be found.
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newInstance
private java.lang.Object newInstance(java.lang.Class<?> classObject)
Return a new instance of classclassObject
using a no-param constructor.- Parameters:
classObject
- the class to instantiate- Returns:
- the instantiated object
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getApplicationProperties
public java.util.Properties getApplicationProperties()
Description copied from interface:ModuleFactory
Return the application set of properties which correspond to the set of properties in the file derby.properties.- Specified by:
getApplicationProperties
in interfaceModuleFactory
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getServiceList
public java.lang.String[] getServiceList(java.lang.String protocol)
Return an array of the service identifiers that are running and implement the passed in protocol (java interface class name).- Specified by:
getServiceList
in interfaceModuleFactory
- Returns:
- The list of service names, if no services exist that implement the protocol an array with zero elements is returned.
- See Also:
ModuleFactory.getServiceList(java.lang.String)
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dumpProperties
void dumpProperties(java.lang.String title, java.util.Properties props)
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report
protected void report(java.lang.String message)
Should only be called if reportOn is true apart from report/Exception().
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reportException
protected void reportException(java.lang.Throwable t)
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addDebugFlags
private void addDebugFlags(java.lang.String flags, boolean set)
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startServices
public void startServices(java.util.Properties properties, boolean bootAll)
Description copied from interface:ModuleFactory
Start all services identified by derby.service.* in the property set. If bootAll is true the services that are persistent will be booted.- Specified by:
startServices
in interfaceModuleFactory
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startPersistentService
public final boolean startPersistentService(java.lang.String name, java.util.Properties properties) throws StandardException
Start a peristent service.- Specified by:
startPersistentService
in interfaceModuleFactory
- Parameters:
name
- Name of the service to be startedproperties
- Property set made available to all modules booted for this service, through their ModuleControl.boot method.- Returns:
- true if the service type is handled by the monitor, false if it isn't
- Throws:
StandardException
- An attempt to start the service failed.- See Also:
ModuleFactory.startPersistentService(java.lang.String, java.util.Properties)
,Monitor.startPersistentService(java.lang.String, java.util.Properties)
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createPersistentService
public java.lang.Object createPersistentService(java.lang.String factoryInterface, java.lang.String name, java.util.Properties properties) throws StandardException
Create a persistent service.- Specified by:
createPersistentService
in interfaceModuleFactory
- Returns:
- The module from the service if it was created successfully, null if a service already existed.
- Throws:
StandardException
- An exception was thrown trying to create the service.- See Also:
Monitor.createPersistentService(java.lang.String, java.lang.String, java.util.Properties)
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removePersistentService
public void removePersistentService(java.lang.String name) throws StandardException
Removes a PersistentService. Could be used for drop database.- Specified by:
removePersistentService
in interfaceModuleFactory
- Parameters:
name
- : Service name to be removed.- Throws:
StandardException
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startNonPersistentService
public java.lang.Object startNonPersistentService(java.lang.String factoryInterface, java.lang.String serviceName, java.util.Properties properties) throws StandardException
Start a non-persistent service.- Specified by:
startNonPersistentService
in interfaceModuleFactory
- Throws:
StandardException
- An attempt to start the service failed.- See Also:
Monitor.startNonPersistentService(java.lang.String, java.lang.String, java.util.Properties)
,ModuleFactory.startNonPersistentService(java.lang.String, java.lang.String, java.util.Properties)
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getImplementations
private java.util.Vector<java.lang.Class<?>> getImplementations(java.util.Properties moduleList, boolean actualModuleList)
Create an implementation set. Look through the properties object for all properties that start with derby.module and add the value into the vector. If no implementations are listed in the properties object then null is returned.
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getPersistentServiceImplementation
private boolean getPersistentServiceImplementation(java.lang.Class<?> possibleModule)
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getDefaultImplementations
private java.util.Vector<java.lang.Class<?>> getDefaultImplementations()
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getDefaultModuleProperties
java.util.Properties getDefaultModuleProperties()
Get the complete set of module properties by loading in contents of all the org/apache/derby/modules.properties files. This must be executed in a privileged block otherwise when running in a security manager environment no properties will be returned.
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removeRuntimeProperties
protected static java.util.Properties removeRuntimeProperties(java.util.Properties properties)
Return a property set that has the runtime properties removed.
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applicationPropertiesStream
abstract java.io.InputStream applicationPropertiesStream() throws java.io.IOException
Get InputStream for application properties file Returns nul if it does not exist.- Throws:
java.io.IOException
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readApplicationProperties
protected java.util.Properties readApplicationProperties()
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determineSupportedServiceProviders
private void determineSupportedServiceProviders()
Determine which of the set of service providers (PersistentService objects) are supported in the current environment. If a PersistentService implementation does not implement ModuleControl then it is assumed it does support the current environment. Otherwise the canSupport() method makes the determination. Any providers that are not supported are removed from the list.
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bootPersistentServices
private void bootPersistentServices()
Boot all persistent services that can be located at run time.
This method enumerates through all the service providers that are active and calls bootPersistentServices(PersistentService) to boot all the services that that provider knows about.
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bootProviderServices
protected void bootProviderServices(PersistentService provider)
Boot all persistent services that can be located by a single service provider
This method enumerates through all the service providers that are active and calls bootPersistentServices(PersistentService) to boot all the services that that provider knows about.
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findProviderAndStartService
private boolean findProviderAndStartService(java.lang.String name, java.util.Properties properties, boolean bootTime) throws StandardException
Find a provider and start a service.- Throws:
StandardException
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findProviderForCreate
protected PersistentService findProviderForCreate(java.lang.String name) throws StandardException
- Throws:
StandardException
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findProviderFromName
private PersistentService findProviderFromName(java.lang.String name, int colon) throws StandardException
Find the service provider from a name that includes a service type, ie. is of the form 'type:name'. If type is less than 3 characters then it is assumed to be of type directory, i.e. a windows driver letter.- Throws:
StandardException
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getServiceProvider
public PersistentService getServiceProvider(java.lang.String subSubProtocol) throws StandardException
Description copied from interface:ModuleFactory
Return the PersistentService for a subsubprotocol.- Specified by:
getServiceProvider
in interfaceModuleFactory
- Returns:
- the PersistentService or null if it does not exist
- Throws:
StandardException
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getPersistentService
private PersistentService getPersistentService(java.lang.String subSubProtocol) throws StandardException
Return a PersistentService implementation to handle the subSubProtocol.- Returns:
- Valid PersistentService or null if the protocol is not handled.
- Throws:
StandardException
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getPersistentService
private PersistentService getPersistentService(java.lang.String className, java.lang.String subSubProtocol) throws StandardException
- Throws:
StandardException
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getStorageFactoryClassName
private java.lang.String getStorageFactoryClassName(java.lang.String subSubProtocol)
Find the StorageFactory class name that handles the subSub protocol. Looks in the system property set and the set defined during boot.- Returns:
- Valid class name, or null if no StorageFactory handles the protocol.
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startProviderService
protected void startProviderService(PersistentService provider, java.lang.String serviceName, java.util.Properties serviceProperties) throws StandardException
Boot a service under the control of the provider- Throws:
StandardException
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bootService
protected java.lang.Object bootService(PersistentService provider, java.lang.String factoryInterface, java.lang.String serviceName, java.util.Properties properties, boolean create) throws StandardException
Boot (start or create) a service (persistent or non-persistent).- Throws:
StandardException
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getUUIDFactory
public UUIDFactory getUUIDFactory()
Return the UUID factory for this system. Returns null if there isn't one. See com.ibm.db2j.system.System- Specified by:
getUUIDFactory
in interfaceModuleFactory
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getTimerFactory
public TimerFactory getTimerFactory()
Returns the Timer factory for this system.- Specified by:
getTimerFactory
in interfaceModuleFactory
- Returns:
- the system's Timer factory.
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getTempWriter
private java.io.PrintWriter getTempWriter()
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dumpTempWriter
private void dumpTempWriter(boolean bothPlaces)
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canSupport
static boolean canSupport(java.lang.Object instance, java.util.Properties properties)
If the module implements ModuleSupportable then call its canSupport() method to see if it can or should run in this setup. If it doesn't then it can always run.
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boot
static void boot(java.lang.Object module, boolean create, java.util.Properties properties) throws StandardException
Boot a module. If the module implements ModuleControl then its boot() method is called. Otherwise all the boot code is assumed to take place in its constructor.- Throws:
StandardException
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staticGetLocaleFromString
private static java.util.Locale staticGetLocaleFromString(java.lang.String localeDescription) throws StandardException
- Throws:
StandardException
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setLocale
private static java.util.Locale setLocale(java.util.Properties properties) throws StandardException
- Throws:
StandardException
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getBundle
public java.util.ResourceBundle getBundle(java.lang.String messageId)
Get the locale from the ContextManager and then find the bundle based upon that locale.- Specified by:
getBundle
in interfaceBundleFinder
- Parameters:
messageId
- Message being searched for.
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getDaemonThread
public java.lang.Thread getDaemonThread(java.lang.Runnable task, java.lang.String name, boolean setMinPriority)
Description copied from interface:ModuleFactory
Get a newly created background thread. The thread is set to be a daemon but is not started.- Specified by:
getDaemonThread
in interfaceModuleFactory
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isDaemonThread
public final boolean isDaemonThread(java.lang.Thread thread)
Description copied from interface:ModuleFactory
Check if a thread is a daemon thread created byModuleFactory.getDaemonThread(java.lang.Runnable, java.lang.String, boolean)
.- Specified by:
isDaemonThread
in interfaceModuleFactory
- Parameters:
thread
- the thread to check- Returns:
true
ifthread
was created bygetDaemonThread()
,false
otherwise.
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getContextService
private static ContextService getContextService()
Privileged lookup of the ContextService. Must be private so that user code can't call this entry point.
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stopContextService
private static void stopContextService()
Privileged shutdown of the ContextService. Must be private so that user code can't call this entry point.
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setMonitor
private static boolean setMonitor(BaseMonitor baseMonitor)
Privileged startup. Must be private so that user code can't call this entry point. Returns true if the system is already booted or in the process of shutting down.
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initialize
abstract boolean initialize(boolean lite)
Initialize the monitor wrt the current environemnt. Returns false if the monitor cannot be initialized, true otherwise.
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