Class WriteableBeanDatabaseImpl
- java.lang.Object
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- org.glassfish.hk2.configuration.hub.internal.WriteableBeanDatabaseImpl
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- All Implemented Interfaces:
BeanDatabase
,WriteableBeanDatabase
public class WriteableBeanDatabaseImpl extends java.lang.Object implements WriteableBeanDatabase
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Nested Class Summary
Nested Classes Modifier and Type Class Description private class
WriteableBeanDatabaseImpl.TwoPhaseResourceImpl
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Field Summary
Fields Modifier and Type Field Description private long
baseRevision
private java.util.LinkedList<Change>
changes
private java.lang.Object
commitMessage
private boolean
committed
private HubImpl
hub
private java.util.LinkedList<WriteableTypeImpl>
removedTypes
private WriteableBeanDatabaseImpl.TwoPhaseResourceImpl
resource
private java.util.HashMap<java.lang.String,WriteableTypeImpl>
types
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Constructor Summary
Constructors Constructor Description WriteableBeanDatabaseImpl(HubImpl hub, BeanDatabaseImpl currentDatabase)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description (package private) void
addChange(Change change)
WriteableType
addType(java.lang.String typeName)
Adds a type of the given nameprivate void
checkState()
void
commit()
This method should be called when the writeable database should become the current database.void
commit(java.lang.Object commitMessage)
This method should be called when the writeable database should become the current database.void
dumpDatabase()
Dumps the type and instance names to stderrvoid
dumpDatabase(java.io.PrintStream output)
Dumps the type and instance names to the given streamjava.lang.String
dumpDatabaseAsString()
Dumps the type and instance names to a String for debuggingWriteableType
findOrAddWriteableType(java.lang.String typeName)
Gets or creates a writeable type with the given namejava.util.Set<Type>
getAllTypes()
Gets an unmodifiable set of all the types in the bean databasejava.util.Set<WriteableType>
getAllWriteableTypes()
Gets an unmodifiable set of all the types in the bean database(package private) long
getBaseRevision()
private java.lang.String
getChanges()
java.lang.Object
getCommitMessage()
Gets the commit message for this writeable bean databaseInstance
getInstance(java.lang.String type, java.lang.String instanceKey)
Returns the instance with the given instanceKey from the type with the given nameTwoPhaseResource
getTwoPhaseResource()
Returns a two-phase resource that can be used by a DynamicConfiguration to tie the transaction done by this WriteableBeanDatabase into a commit done by the DynamicConfiguration.Type
getType(java.lang.String type)
Gets the type with the given nameWriteableType
getWriteableType(java.lang.String typeName)
Gets a writeable type of the given nameType
removeType(java.lang.String typeName)
Removed the given type and all of its instances from the database.void
setCommitMessage(java.lang.Object commitMessage)
Sets the commit message for this writeable bean databasejava.lang.String
toString()
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Field Detail
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baseRevision
private final long baseRevision
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types
private final java.util.HashMap<java.lang.String,WriteableTypeImpl> types
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hub
private final HubImpl hub
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resource
private final WriteableBeanDatabaseImpl.TwoPhaseResourceImpl resource
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changes
private final java.util.LinkedList<Change> changes
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removedTypes
private final java.util.LinkedList<WriteableTypeImpl> removedTypes
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committed
private boolean committed
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commitMessage
private java.lang.Object commitMessage
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Constructor Detail
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WriteableBeanDatabaseImpl
WriteableBeanDatabaseImpl(HubImpl hub, BeanDatabaseImpl currentDatabase)
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Method Detail
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getAllTypes
public java.util.Set<Type> getAllTypes()
Description copied from interface:BeanDatabase
Gets an unmodifiable set of all the types in the bean database- Specified by:
getAllTypes
in interfaceBeanDatabase
- Returns:
- A non-null unmodifiable and possibly empty set of all the types in the database
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getAllWriteableTypes
public java.util.Set<WriteableType> getAllWriteableTypes()
Description copied from interface:WriteableBeanDatabase
Gets an unmodifiable set of all the types in the bean database- Specified by:
getAllWriteableTypes
in interfaceWriteableBeanDatabase
- Returns:
- A non-null unmodifiable and possibly empty set of all the types in the database
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getType
public Type getType(java.lang.String type)
Description copied from interface:BeanDatabase
Gets the type with the given name- Specified by:
getType
in interfaceBeanDatabase
- Parameters:
type
- The non-null name- Returns:
- The type corresponding to the given name. May return null
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getInstance
public Instance getInstance(java.lang.String type, java.lang.String instanceKey)
Description copied from interface:BeanDatabase
Returns the instance with the given instanceKey from the type with the given name- Specified by:
getInstance
in interfaceBeanDatabase
- Parameters:
type
- The non-null name of the type to get the instance frominstanceKey
- The non-null key of the instance- Returns:
- The bean from the given type with the given name. Will return null if the type does not exist or an instance with that key does not exist
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checkState
private void checkState()
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addType
public WriteableType addType(java.lang.String typeName)
Description copied from interface:WriteableBeanDatabase
Adds a type of the given name- Specified by:
addType
in interfaceWriteableBeanDatabase
- Parameters:
typeName
- The name of the type to add- Returns:
- The non-null type that has been added to the database
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removeType
public Type removeType(java.lang.String typeName)
Description copied from interface:WriteableBeanDatabase
Removed the given type and all of its instances from the database. The set of changes will include the instances removed prior to the change indicating that the type was removed- Specified by:
removeType
in interfaceWriteableBeanDatabase
- Parameters:
typeName
- The non-null type name- Returns:
- The type that was removed
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getWriteableType
public WriteableType getWriteableType(java.lang.String typeName)
Description copied from interface:WriteableBeanDatabase
Gets a writeable type of the given name- Specified by:
getWriteableType
in interfaceWriteableBeanDatabase
- Parameters:
typeName
- The non-null name of the type to fetch- Returns:
- The existing type, or null if the type does not already exist
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findOrAddWriteableType
public WriteableType findOrAddWriteableType(java.lang.String typeName)
Description copied from interface:WriteableBeanDatabase
Gets or creates a writeable type with the given name- Specified by:
findOrAddWriteableType
in interfaceWriteableBeanDatabase
- Parameters:
typeName
- The non-null name of the type to find or create- Returns:
- The non-null writeable type that was created or found
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commit
public void commit()
Description copied from interface:WriteableBeanDatabase
This method should be called when the writeable database should become the current database. All changes will be communicated to the listeners. If the current database has been modified since this writeable database was created then this method will throw an IllegalStateException. This version of commit will use the commit message set on this writeable bean database- Specified by:
commit
in interfaceWriteableBeanDatabase
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commit
public void commit(java.lang.Object commitMessage)
Description copied from interface:WriteableBeanDatabase
This method should be called when the writeable database should become the current database. All changes will be communicated to the listeners. If the current database has been modified since this writeable database was created then this method will throw an IllegalStateException. This version of commit will use the commit message passed in rather than the one set on this writeable bean database- Specified by:
commit
in interfaceWriteableBeanDatabase
- Parameters:
commitMessage
- An object to pass to anyBeanDatabaseUpdateListener
that is registered
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getBaseRevision
long getBaseRevision()
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addChange
void addChange(Change change)
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dumpDatabase
public void dumpDatabase()
Description copied from interface:BeanDatabase
Dumps the type and instance names to stderr- Specified by:
dumpDatabase
in interfaceBeanDatabase
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dumpDatabase
public void dumpDatabase(java.io.PrintStream output)
Description copied from interface:BeanDatabase
Dumps the type and instance names to the given stream- Specified by:
dumpDatabase
in interfaceBeanDatabase
- Parameters:
output
- - The non-null outut stream to write the database to
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dumpDatabaseAsString
public java.lang.String dumpDatabaseAsString()
Description copied from interface:BeanDatabase
Dumps the type and instance names to a String for debugging- Specified by:
dumpDatabaseAsString
in interfaceBeanDatabase
- Returns:
- A string with all type and instance names
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getTwoPhaseResource
public TwoPhaseResource getTwoPhaseResource()
Description copied from interface:WriteableBeanDatabase
Returns a two-phase resource that can be used by a DynamicConfiguration to tie the transaction done by this WriteableBeanDatabase into a commit done by the DynamicConfiguration. When the DynamicConfiguration calls commit this WriteableBeanDatabase will be part of the transaction- Specified by:
getTwoPhaseResource
in interfaceWriteableBeanDatabase
- Returns:
- A non-null TwoPhaseResource to be used by a DynamicConfiguration
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getCommitMessage
public java.lang.Object getCommitMessage()
Description copied from interface:WriteableBeanDatabase
Gets the commit message for this writeable bean database- Specified by:
getCommitMessage
in interfaceWriteableBeanDatabase
- Returns:
- The possibly null commit message for this writeable bean database
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setCommitMessage
public void setCommitMessage(java.lang.Object commitMessage)
Description copied from interface:WriteableBeanDatabase
Sets the commit message for this writeable bean database- Specified by:
setCommitMessage
in interfaceWriteableBeanDatabase
- Parameters:
commitMessage
- The possibly null commit message for this writeable bean database
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getChanges
private java.lang.String getChanges()
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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