Package gda.data.metadata

Class PersistantMetadataEntry

java.lang.Object

gda.factory.ConfigurableBase

gda.factory.FindableConfigurableBase

gda.data.metadata.MetadataEntry

gda.data.metadata.PersistantMetadataEntry

All Implemented Interfaces:

IMetadataEntry, Configurable, Findable, gda.observable.IObservable, Serializable

Direct Known Subclasses:

SubdirectoryMetadataEntry

public class PersistantMetadataEntry
extends MetadataEntry

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PersistantMetadataEntry()
PersistantMetadataEntry(String name)

Method Summary

Modifier and Type	Method	Description
boolean	canStoreValue()
void	configure()	Configure Method.
String	getDefaultValue()
String	readActualValue()	Returns the actual value of the metadata entry.
void	reload()
void	setDefaultValue(String defaultValue)
void	setValue(String value)	Where appropriate, sets the value of the metadata.

Methods inherited from class gda.data.metadata.MetadataEntry

addIObserver, deleteIObserver, deleteIObservers, getDefEntryName, getMetadataValue, notifyIObservers, setDefEntryName, toString

Methods inherited from class gda.factory.FindableConfigurableBase

getName, setName

Methods inherited from class gda.factory.ConfigurableBase

isConfigureAtStartup, isConfigured, reconfigure, setConfigured

Methods inherited from class java.lang.Object

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

Methods inherited from interface gda.factory.Configurable

isConfigureAtStartup, isConfigured, reconfigure

Methods inherited from interface gda.data.metadata.IMetadataEntry

getName, setName

Constructor Details

PersistantMetadataEntry

public PersistantMetadataEntry()

PersistantMetadataEntry

public PersistantMetadataEntry(String name)

Method Details

configure

public void configure()
               throws FactoryException

Description copied from class: MetadataEntry

Configure Method.

Specified by:

configure in interface Configurable

Overrides:

configure in class MetadataEntry

Throws:

FactoryException

reload

public void reload()

readActualValue

public String readActualValue()
                       throws org.apache.commons.configuration.ConfigurationException,
IOException

Description copied from class: MetadataEntry

Returns the actual value of the metadata entry. Any exception can be thrown by this method, which will cause MetadataEntry.getMetadataValue() to look for a default value (if one is specified).

Specified by:

readActualValue in class MetadataEntry

Returns:

the entry's actual value

Throws:

org.apache.commons.configuration.ConfigurationException

IOException

setValue

public void setValue(String value)
              throws Exception

Description copied from interface: IMetadataEntry

Where appropriate, sets the value of the metadata.

Specified by:

setValue in interface IMetadataEntry

Overrides:

setValue in class MetadataEntry

Parameters:

value -

Throws:

Exception

getDefaultValue

public String getDefaultValue()

setDefaultValue

public void setDefaultValue(String defaultValue)

canStoreValue

public boolean canStoreValue()

Specified by:

canStoreValue in interface IMetadataEntry

Overrides:

canStoreValue in class MetadataEntry

Returns:

true - if this instance of IMetadataEntry can persist its value, so the storeValue method will try to do something