de.smartics.properties.impl.config.cache
Class AbstractCacheConfigurationPropertiesManagement

java.lang.Object
  de.smartics.properties.impl.config.cache.AbstractCacheConfigurationPropertiesManagement

All Implemented Interfaces:

ConfigurationProperties, ConfigurationPropertiesManagement, Serializable

Direct Known Subclasses:

CacheConfigurationPropertiesManagement, SerializableCacheConfigurationPropertiesManagement

@ThreadSafe
public abstract class AbstractCacheConfigurationPropertiesManagement
     
     

      
      extends 
      
      Object
     
     
     
     

      
      implements 
      
      ConfigurationPropertiesManagement, 
      
      Serializable
     
     

A delegate that provides a cache.

See Also:

Serialized Form

Constructor Summary

	AbstractCacheConfigurationPropertiesManagement() Default constructor.
protected	AbstractCacheConfigurationPropertiesManagement(de.smartics.properties.impl.config.cache.DependencyTrackingCache cache) Default constructor that allows to specify a cache to be used.

Method Summary

ConfigurationPropertiesManagement	addDefinitions(Properties properties) Adds the given definitions to this configuration.
void	addDescriptors(Class<?> propertySetType) Adds all property descriptors declared in the given type.
void	addPropertyChangeListener(PropertyChangeListener listener) Adds the given listener to track any property changes.
void	addPropertyChangeListener(PropertyKey name, PropertyChangeListener listener) Adds the given listener as a listener to the given property.
void	flush() Signal to flush properties changed in memory to be written to a secondary storage.
protected de.smartics.properties.impl.config.cache.DependencyTrackingCache	getCache() Provides access to the cache.
PropertiesContext	getContext(Class<?> declaringType) Returns the properties context for the declaring type.
PropertyContext	getContext(PropertyDescriptor descriptor) Returns the properties context the property described by the given descriptor is part of.
protected abstract ConfigurationPropertiesManagementSpi	getDelegate() Returns a reference to the delegate.
PropertyDescriptor	getDescriptor(PropertyKey key) Returns the descriptor for the given key.
PropertyDescriptor	getDescriptor(String key) Returns the descriptor for the given key.
ConfigurationKey	getKey() Returns the key of the configuration.
List<PropertyDescriptor>	getMandatoryPropertyDescriptors() Returns the list of mandatory properties.
<T> T	getProperties(Class<T> propertiesInterface) Returns a implementation of the given interface that has access to the property keys, the property descriptors and the properties itself, when they are declared in the given interface.
Property	getProperty(PropertyDescriptor descriptor) Returns the property for the given descriptor.
Property	getProperty(PropertyDescriptor descriptor, Object defaultValue) Returns the property for the given descriptor, allowing to transparently provide a default value to be returned in case the property has not been set.
Property	getProperty(PropertyKey key) Returns the property for the given key.
Property	getProperty(String key) Returns the property for the given key.
Property	getProperty(String key, Object defaultValue) Returns the property for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.
Object	getPropertyValue(PropertyDescriptor descriptor) Returns the property value for the given descriptor.
Object	getPropertyValue(PropertyDescriptor descriptor, Object defaultValue) Returns the property value for the given descriptor, allowing to transparently provide a default value to be returned in case the property has not been set.
Object	getPropertyValue(PropertyKey key) Returns the property value for the given key.
Object	getPropertyValue(String key) Returns the property value for the given key.
Object	getPropertyValue(String key, Object defaultValue) Returns the property value for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.
String	getPropertyValueAsString(PropertyDescriptor descriptor) Returns the property string value for the given descriptor.
String	getPropertyValueAsString(PropertyDescriptor descriptor, Object defaultValue) Returns the property string value for the given descriptor.
String	getPropertyValueAsString(String key) Returns the property string value for the given key.
String	getPropertyValueAsString(String key, Object defaultValue) Returns the property string value for the given key.
PropertyDescriptorRegistry	getRegistry() Returns the registry to resolve property descriptors.
ResolvedProperty	getResolvedProperty(PropertyDescriptor descriptor, Object defaultValue) Returns the resolved property for the given descriptor's key, allowing to transparently provide a default value to be returned in case the property has not been set.
ResolvedProperty	getResolvedProperty(PropertyKey key, Object defaultValue) Returns the resolved property for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.
ResolvedProperty	getResolvedProperty(String key, Object defaultValue) Returns the resolved property for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.
void	removePropertyChangeListener(PropertyChangeListener listener) Removes the given listener to stop tracking property changes.
void	removePropertyChangeListener(PropertyKey name, PropertyChangeListener listener) Removes the given listener as a listener to the given property.
Property	setProperty(PropertyKey key, String value) Sets the property value for the given key.
Property	unsetProperty(PropertyKey key) Unsets the property value for the given key.
void	validate() Validates all properties in the given configuration in a non-lenient fashion.
void	validate(boolean lenient) Validates all properties in the given configuration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface de.smartics.properties.api.config.domain.ConfigurationPropertiesManagement

toSerializable

Constructor Detail

AbstractCacheConfigurationPropertiesManagement

public AbstractCacheConfigurationPropertiesManagement()

Default constructor.

AbstractCacheConfigurationPropertiesManagement

protected AbstractCacheConfigurationPropertiesManagement(de.smartics.properties.impl.config.cache.DependencyTrackingCache cache)
                                                  throws NullPointerException

Default constructor that allows to specify a cache to be used.

Parameters:

cache - the synchronized cache.

Throws:

NullPointerException - if cache is null.

Method Detail

getDelegate

protected abstract ConfigurationPropertiesManagementSpi getDelegate()

Returns a reference to the delegate.

Returns:

a reference to the delegate. Never null.

getCache

protected final de.smartics.properties.impl.config.cache.DependencyTrackingCache getCache()

Provides access to the cache.

Returns:

the cache.

getResolvedProperty

public final ResolvedProperty getResolvedProperty(String key,
                                                  Object defaultValue)
                                           throws IllegalArgumentException,
                                                  UnknownPropertyException,
                                                  PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the resolved property for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getResolvedProperty in interface ConfigurationProperties

Parameters:

key - the key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the resolved property. Never null, although the value / resolved value of the returned property may be null.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getProperty

public final Property getProperty(String key,
                                  Object defaultValue)
                           throws IllegalArgumentException,
                                  UnknownPropertyException

Description copied from interface: ConfigurationProperties

Returns the property for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getProperty in interface ConfigurationProperties

Parameters:

key - the unique key of the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the requested property.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

getProperty

public final Property getProperty(String key)
                           throws IllegalArgumentException,
                                  UnknownPropertyException

Description copied from interface: ConfigurationProperties

Returns the property for the given key.

Specified by:

getProperty in interface ConfigurationProperties

Parameters:

key - the unique key of the property.

Returns:

the requested property.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

getProperty

public final Property getProperty(PropertyDescriptor descriptor,
                                  Object defaultValue)
                           throws IllegalArgumentException,
                                  UnknownPropertyException

Description copied from interface: ConfigurationProperties

Returns the property for the given descriptor, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getProperty in interface ConfigurationProperties

Parameters:

descriptor - the descriptor containing the unique key of the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the requested property.

Throws:

UnknownPropertyException - if the key of the descriptor is not known.

IllegalArgumentException

getPropertyValue

public final Object getPropertyValue(String key,
                                     Object defaultValue)
                              throws IllegalArgumentException,
                                     UnknownPropertyException,
                                     PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property value for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getPropertyValue in interface ConfigurationProperties

Parameters:

key - the key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getProperties

public final <T> T getProperties(Class<T> propertiesInterface)

Description copied from interface: ConfigurationProperties

Returns a implementation of the given interface that has access to the property keys, the property descriptors and the properties itself, when they are declared in the given interface. The interface must be annotated with an PropertySet annotation.

Specified by:

getProperties in interface ConfigurationProperties

Type Parameters:

T - type variable to enable a type save return value.

Parameters:

propertiesInterface - a PropertySet annotated interface for which a implementation to access the property keys, descriptors and values is requested.

Returns:

a implementation of the given interface to access property information.

setProperty

public final Property setProperty(PropertyKey key,
                                  String value)
                           throws NullPointerException,
                                  PropertyValidationException,
                                  ReadOnlyPropertyException

Description copied from interface: ConfigurationPropertiesManagement

Sets the property value for the given key.

Specified by:

setProperty in interface ConfigurationPropertiesManagement

Parameters:

key - the key to the property.

value - the value to the property.

Returns:

the old value to the property. A value of null is returned if the property had no value prior to this call.

Throws:

NullPointerException - if key is null.

PropertyValidationException - if the property value is invalid according to its constraints.

ReadOnlyPropertyException - if the property to update is read-only.

unsetProperty

public final Property unsetProperty(PropertyKey key)
                             throws NullPointerException,
                                    ReadOnlyPropertyException

Description copied from interface: ConfigurationPropertiesManagement

Unsets the property value for the given key.

Specified by:

unsetProperty in interface ConfigurationPropertiesManagement

Parameters:

key - the key to the property.

Returns:

the old value to the property. A value of null is returned if the property had no value prior to this call.

Throws:

NullPointerException - if key is null.

ReadOnlyPropertyException - if the property to update is read-only.

addDefinitions

public final ConfigurationPropertiesManagement addDefinitions(Properties properties)
                                                       throws NullPointerException

Description copied from interface: ConfigurationPropertiesManagement

Adds the given definitions to this configuration.

Specified by:

addDefinitions in interface ConfigurationPropertiesManagement

Parameters:

properties - the property definitions to add.

Returns:

a reference to this configuration for chaining.

Throws:

NullPointerException - if properties is null.

flush

public final void flush()

Description copied from interface: ConfigurationPropertiesManagement

Signal to flush properties changed in memory to be written to a secondary storage.

Implementations are not required to only write on a flush. They have to make sure that after the flush is called, all data is transfered to the secondary storage.

Specified by:

flush in interface ConfigurationPropertiesManagement

getRegistry

public final PropertyDescriptorRegistry getRegistry()

Description copied from interface: ConfigurationPropertiesManagement

Returns the registry to resolve property descriptors.

Specified by:

getRegistry in interface ConfigurationPropertiesManagement

Returns:

the registry to resolve property descriptors.

getPropertyValue

public final Object getPropertyValue(PropertyDescriptor descriptor)
                              throws NullPointerException,
                                     PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property value for the given descriptor.

Specified by:

getPropertyValue in interface ConfigurationProperties

Parameters:

descriptor - the key to the property.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

NullPointerException - if descriptor is null.

PropertyValidationException - if the property is invalid according to its constraints.

getPropertyValue

public final Object getPropertyValue(PropertyKey key)
                              throws IllegalArgumentException,
                                     UnknownPropertyException,
                                     PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property value for the given key.

Specified by:

getPropertyValue in interface ConfigurationProperties

Parameters:

key - the key to the property.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getPropertyValue

public final Object getPropertyValue(PropertyDescriptor descriptor,
                                     Object defaultValue)
                              throws NullPointerException,
                                     PropertyValueConversionException,
                                     PropertyValidationException,
                                     UnknownPropertyException

Description copied from interface: ConfigurationProperties

Returns the property value for the given descriptor, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getPropertyValue in interface ConfigurationProperties

Parameters:

descriptor - the key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

NullPointerException - if descriptor is null.

PropertyValueConversionException - if conversion fails.

PropertyValidationException - if the property is invalid according to its constraints.

UnknownPropertyException - if the requested property is not known to the system.

getPropertyValue

public final Object getPropertyValue(String key)
                              throws IllegalArgumentException,
                                     UnknownPropertyException,
                                     PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property value for the given key.

Specified by:

getPropertyValue in interface ConfigurationProperties

Parameters:

key - the key to the property.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getPropertyValueAsString

public final String getPropertyValueAsString(PropertyDescriptor descriptor)
                                      throws NullPointerException,
                                             PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property string value for the given descriptor. If the property type is not String, the Object.toString() method is called to create the string representation of the value. null is always returned as null (not as the String "null").

Specified by:

getPropertyValueAsString in interface ConfigurationProperties

Parameters:

descriptor - the key to the property.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

NullPointerException - if descriptor is null.

PropertyValidationException - if the property is invalid according to its constraints.

getPropertyValueAsString

public final String getPropertyValueAsString(String key)
                                      throws IllegalArgumentException,
                                             UnknownPropertyException,
                                             PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property string value for the given key. If the property type is not String, the Object.toString() method is called to create the string representation of the value. null is always returned as null (not as the String "null").

Specified by:

getPropertyValueAsString in interface ConfigurationProperties

Parameters:

key - the key to the property.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getPropertyValueAsString

public final String getPropertyValueAsString(PropertyDescriptor descriptor,
                                             Object defaultValue)
                                      throws NullPointerException,
                                             PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property string value for the given descriptor. If the property type is not String, the Object.toString() method is called to create the string representation of the value. null is always returned as null (not as the String "null").

Specified by:

getPropertyValueAsString in interface ConfigurationProperties

Parameters:

descriptor - the key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

NullPointerException - if descriptor is null.

PropertyValidationException - if the property is invalid according to its constraints.

getPropertyValueAsString

public final String getPropertyValueAsString(String key,
                                             Object defaultValue)
                                      throws IllegalArgumentException,
                                             UnknownPropertyException,
                                             PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the property string value for the given key. If the property type is not String, the Object.toString() method is called to create the string representation of the value. null is always returned as null (not as the String "null").

Specified by:

getPropertyValueAsString in interface ConfigurationProperties

Parameters:

key - the key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the value to the property. A value of null is returned in cause of an optional property being not set.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getProperty

public final Property getProperty(PropertyKey key)
                           throws IllegalArgumentException,
                                  UnknownPropertyException

Description copied from interface: ConfigurationProperties

Returns the property for the given key.

Specified by:

getProperty in interface ConfigurationProperties

Parameters:

key - the unique key of the property.

Returns:

the requested property.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

getProperty

public final Property getProperty(PropertyDescriptor descriptor)
                           throws IllegalArgumentException,
                                  UnknownPropertyException

Description copied from interface: ConfigurationProperties

Returns the property for the given descriptor.

Specified by:

getProperty in interface ConfigurationProperties

Parameters:

descriptor - the descriptor containing the unique key of the property.

Returns:

the requested property.

Throws:

UnknownPropertyException - if the key of the descriptor is not known.

IllegalArgumentException

getResolvedProperty

public final ResolvedProperty getResolvedProperty(PropertyDescriptor descriptor,
                                                  Object defaultValue)
                                           throws IllegalArgumentException,
                                                  UnknownPropertyException,
                                                  PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the resolved property for the given descriptor's key, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getResolvedProperty in interface ConfigurationProperties

Parameters:

descriptor - descriptor key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the resolved property. Never null, although the value / resolved value of the returned property may be null.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

getResolvedProperty

public final ResolvedProperty getResolvedProperty(PropertyKey key,
                                                  Object defaultValue)
                                           throws IllegalArgumentException,
                                                  UnknownPropertyException,
                                                  PropertyValidationException

Description copied from interface: ConfigurationProperties

Returns the resolved property for the given key, allowing to transparently provide a default value to be returned in case the property has not been set.

Specified by:

getResolvedProperty in interface ConfigurationProperties

Parameters:

key - the key to the property.

defaultValue - the default value to use in case no value has been specified.

Returns:

the resolved property. Never null, although the value / resolved value of the returned property may be null.

Throws:

IllegalArgumentException - if key is blank.

UnknownPropertyException - if key is not known.

PropertyValidationException - if the property is invalid according to its constraints.

addDescriptors

public final void addDescriptors(Class<?> propertySetType)
                          throws DuplicatePropertyDeclarationsException

Description copied from interface: ConfigurationPropertiesManagement

Adds all property descriptors declared in the given type.

Specified by:

addDescriptors in interface ConfigurationPropertiesManagement

Parameters:

propertySetType - the type that declares the descriptors.

Throws:

DuplicatePropertyDeclarationsException - if any of the descriptors declare the same property.

getKey

public final ConfigurationKey getKey()

Description copied from interface: ConfigurationProperties

Returns the key of the configuration.

Specified by:

getKey in interface ConfigurationProperties

Returns:

the key of the configuration. Never null.

getDescriptor

public final PropertyDescriptor getDescriptor(String key)
                                       throws UnknownPropertyException

Description copied from interface: ConfigurationPropertiesManagement

Returns the descriptor for the given key.

Specified by:

getDescriptor in interface ConfigurationPropertiesManagement

Parameters:

key - the of the requested descriptor.

Returns:

the descriptor whose key matches the given key.

Throws:

UnknownPropertyException - if the property is not known.

getContext

public final PropertiesContext getContext(Class<?> declaringType)
                                   throws NullPointerException

Description copied from interface: ConfigurationProperties

Returns the properties context for the declaring type. The declaring type is the interface type annotated with the PropertySet annotation. The context provides information about the properties of that set.

Specified by:

getContext in interface ConfigurationProperties

Parameters:

declaringType - the type that declares the properties whose context is requested.

Returns:

the context for the properties declared by the given type.

Throws:

NullPointerException - if declaringType is null.

getDescriptor

public final PropertyDescriptor getDescriptor(PropertyKey key)
                                       throws UnknownPropertyException

Description copied from interface: ConfigurationPropertiesManagement

Returns the descriptor for the given key.

Specified by:

getDescriptor in interface ConfigurationPropertiesManagement

Parameters:

key - the of the requested descriptor.

Returns:

the descriptor whose key matches the given key.

Throws:

UnknownPropertyException - if the property is not known.

getMandatoryPropertyDescriptors

public final List<PropertyDescriptor> getMandatoryPropertyDescriptors()

Description copied from interface: ConfigurationPropertiesManagement

Returns the list of mandatory properties.

Returns a copy that can be edited.

Specified by:

getMandatoryPropertyDescriptors in interface ConfigurationPropertiesManagement

Returns:

the list of mandatory properties.

getContext

public final PropertyContext getContext(PropertyDescriptor descriptor)
                                 throws NullPointerException

Description copied from interface: ConfigurationProperties

Returns the properties context the property described by the given descriptor is part of.

Specified by:

getContext in interface ConfigurationProperties

Parameters:

descriptor - the descriptor of the property whose context is requested.

Returns:

the context of the property described by the descriptor.

Throws:

NullPointerException - if descriptor is null.

validate

public final void validate()
                    throws ConfigurationValidationException

Description copied from interface: ConfigurationProperties

Validates all properties in the given configuration in a non-lenient fashion.

Specified by:

validate in interface ConfigurationProperties

Throws:

ConfigurationValidationException - if the configuration contains properties that do not meet the required constraints.

validate

public final void validate(boolean lenient)
                    throws ConfigurationValidationException

Description copied from interface: ConfigurationProperties

Validates all properties in the given configuration.

Specified by:

validate in interface ConfigurationProperties

Parameters:

lenient - the lenient flag that tells the validation process to handle unknown properties gracefully if set to true. If the value is false unknown properties are reported as validation failures.

Throws:

ConfigurationValidationException - if the configuration contains properties that do not meet the required constraints.

addPropertyChangeListener

public final void addPropertyChangeListener(PropertyKey name,
                                            PropertyChangeListener listener)
                                     throws NullPointerException

Description copied from interface: ConfigurationProperties

Adds the given listener as a listener to the given property.

Specified by:

addPropertyChangeListener in interface ConfigurationProperties

Parameters:

name - the name of the property to track changes.

listener - the listener to add.

Throws:

NullPointerException - if name or listener is null.

removePropertyChangeListener

public final void removePropertyChangeListener(PropertyKey name,
                                               PropertyChangeListener listener)
                                        throws NullPointerException

Description copied from interface: ConfigurationProperties

Removes the given listener as a listener to the given property.

Specified by:

removePropertyChangeListener in interface ConfigurationProperties

Parameters:

name - the name of the property to stop tracking changes.

listener - the listener to remove.

Throws:

NullPointerException - if name or listener is null.

addPropertyChangeListener

public final void addPropertyChangeListener(PropertyChangeListener listener)
                                     throws NullPointerException

Description copied from interface: ConfigurationProperties

Adds the given listener to track any property changes.

Specified by:

addPropertyChangeListener in interface ConfigurationProperties

Parameters:

listener - the listener to add.

Throws:

NullPointerException - if listener is null.

removePropertyChangeListener

public final void removePropertyChangeListener(PropertyChangeListener listener)
                                        throws NullPointerException

Description copied from interface: ConfigurationProperties

Removes the given listener to stop tracking property changes.

Specified by:

removePropertyChangeListener in interface ConfigurationProperties

Parameters:

listener - the listener to remove.

Throws:

NullPointerException - if listener is null.