com.niggle.data
Class DataRegistryImpl
java.lang.Object
|
+--java.rmi.server.RemoteObject
|
+--java.rmi.server.RemoteServer
|
+--java.rmi.server.UnicastRemoteObject
|
+--com.niggle.data.DataRegistryImpl
- All Implemented Interfaces:
- DataRegistry, java.rmi.Remote, java.io.Serializable
- public class DataRegistryImpl
- extends java.rmi.server.UnicastRemoteObject
- implements DataRegistry
This object plays a central role in the niggle framework. It is essentially
a repository of "metadata" that allows us to get at the various containers
as well as "exemplars" of the various data records.
- Author:
- Serialized Form
Fields inherited from class java.rmi.server.RemoteObject |
ref |
Methods inherited from class java.rmi.server.UnicastRemoteObject |
clone, exportObject, exportObject, exportObject, unexportObject |
Methods inherited from class java.rmi.server.RemoteServer |
getClientHost, getLog, setLog |
Methods inherited from class java.rmi.server.RemoteObject |
equals, getRef, hashCode, toString, toStub |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
DataRegistryImpl
public DataRegistryImpl()
throws java.io.IOException
getDefaultRegistry
public static DataRegistry getDefaultRegistry()
setDefaultRegistry
public static void setDefaultRegistry(DataRegistry registry)
- Optional hook to call if you want to substitute a custom DataRegistry
implementation for the default one.
setRemoteRegistry
public void setRemoteRegistry(DataRegistry registry)
throws java.io.IOException
- Set a second DataRegistry source that will be used if the
type is not found locally. This will likely be on a remote
machine, hence the nomenclature.
getMetadata
public RecordDescriptor getMetadata(java.lang.String type)
throws java.io.IOException
- Description copied from interface:
DataRegistry
- get record Metadata for the type and the highest version number available.
- Specified by:
getMetadata
in interface DataRegistry
getMetadata
public RecordDescriptor getMetadata(java.lang.String type,
int version)
throws java.io.IOException
- Description copied from interface:
DataRegistry
- get record Metadata for the type and version.
- Specified by:
getMetadata
in interface DataRegistry
registerRecordType
public void registerRecordType(RecordDescriptor descriptor)
throws java.io.IOException
- Description copied from interface:
DataRegistry
- Register the metadata for a record type.
- Specified by:
registerRecordType
in interface DataRegistry
registerDataSource
public void registerDataSource(DataSource source)
throws java.io.IOException
- Description copied from interface:
DataRegistry
- register a DataSource by its unique name
- Specified by:
registerDataSource
in interface DataRegistry
registerDataSource
public void registerDataSource(DataSourceMetadata dsm)
throws java.io.IOException
- Description copied from interface:
DataRegistry
- register the metadata for a DataSource by its
unique name.
- Specified by:
registerDataSource
in interface DataRegistry
getDataSource
public DataSource getDataSource(java.lang.String name)
throws java.io.IOException
- Specified by:
getDataSource
in interface DataRegistry
- Following copied from interface:
com.niggle.data.DataRegistry
- Returns:
- a DataSource by its unique name
getExemplar
public Record getExemplar(java.lang.String type,
int version)
throws java.io.IOException
- Specified by:
getExemplar
in interface DataRegistry
- Following copied from interface:
com.niggle.data.DataRegistry
- Returns:
- a "virgin" record of the given type and version.
If the right version is not found, then it returns the
exemplar of the highest available version number.
If nothing is available, it returns null.
getExemplar
public Record getExemplar(java.lang.String type)
throws java.io.IOException
- Specified by:
getExemplar
in interface DataRegistry
- Following copied from interface:
com.niggle.data.DataRegistry
- Returns:
- a "virgin" record of the given type and the highest version
available.
getDataSourceNames
public java.util.List getDataSourceNames()
throws java.io.IOException
- Specified by:
getDataSourceNames
in interface DataRegistry
- Following copied from interface:
com.niggle.data.DataRegistry
- Returns:
- a List of the names of all of the
data sources that this data registry knows about.
getRecordNames
public java.util.List getRecordNames()
throws java.io.IOException
- Specified by:
getRecordNames
in interface DataRegistry
- Following copied from interface:
com.niggle.data.DataRegistry
- Returns:
- a List of the names of all of the
record types that this data registry knows about.