org.persvr.datasource
Class AbstractJsonSource

java.lang.Object
  org.persvr.remote.JsonReceiver
      org.persvr.datasource.AbstractJsonSource

All Implemented Interfaces:

DataSource, ListDataSource

Direct Known Subclasses:

HttpJsonSource, LocalJsonFileSource

public abstract class AbstractJsonSource
extends JsonReceiver
implements DataSource, ListDataSource

Nested Class Summary

protected class

AbstractJsonSource.RootAndResolved

Nested classes/interfaces inherited from class org.persvr.remote.JsonReceiver

JsonReceiver.UpdateInfo

Field Summary

long	defaultCacheLength

Fields inherited from class org.persvr.remote.JsonReceiver

FUNCTION_CODE_KEY, NOT_READY_FIELD, path

Constructor Summary

AbstractJsonSource()

Method Summary

void	abortTransaction()
void	commitTransaction()
protected java.lang.Object	convertJsonToJavaScript(java.lang.Object value, java.lang.String id)
java.lang.String	getId() Gets a string identification of the data source
protected abstract java.lang.Object	getJson(java.lang.String resourceName) Gets the JSON string for a particular object id.
protected AbstractJsonSource.RootAndResolved	getMap(java.lang.String objectId)
protected java.lang.String	getPathSeparator()
protected static java.lang.String	getResourceAsString(java.io.InputStream is)
protected void	handleNewObject(java.lang.Object value, java.lang.String key, java.lang.String parentId)
boolean	hiddenId(java.lang.String id)
protected void	makeDirty(java.lang.String objectId)
protected void	mapJson(PersistableInitializer initializer, java.lang.Object object, java.lang.String objectId)
void	mapObject(PersistableInitializer initializer, java.lang.String objectId) This is called when an object is being activated to retrieve the persisted data for a given object
void	mapSchema(PersistableInitializer initializer)
protected abstract void	newJson(java.lang.String json)
void	recordList(java.lang.String objectId, java.util.List<? extends java.lang.Object> values)
NewObjectPersister	recordNewObject(Persistable object)
void	recordPropertyAddition(java.lang.String objectId, java.lang.String name, java.lang.Object value, int attributes)
void	recordPropertyChange(java.lang.String objectId, java.lang.String name, java.lang.Object value, int attributes)
void	recordPropertyRemoval(java.lang.String objectId, java.lang.String name)
protected java.lang.String	serialize(Persistable target)
void	setId(java.lang.String id) Sets a string identification of the data source
protected abstract void	setJson(java.lang.String resourceName, java.lang.String json)
void	startTransaction()

Methods inherited from class org.persvr.remote.JsonReceiver

convertJsponStringToObject, convertParsedToObject, createInitialObject, getPath, handleRPC, idFromJSPONObject, idOrValueFromJSON, listFromJSPONArray, parseJsponString, replaceList, setPath

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.persvr.datasource.DataSource

getFieldValue, initParameters, mapQuery

Field Detail

defaultCacheLength

public long defaultCacheLength

Constructor Detail

AbstractJsonSource

public AbstractJsonSource()

Method Detail

getJson

protected abstract java.lang.Object getJson(java.lang.String resourceName)
                                     throws java.lang.Exception

Gets the JSON string for a particular object id. This is called when an object needs to be initialized, and this AbstractJsonSource/JsonReceiver will handle the conversion of the JSON string to an object

Parameters:

objectId -

Returns:

the JSON string

Throws:

java.lang.Exception

getId

public java.lang.String getId()

Description copied from interface: DataSource

Gets a string identification of the data source

Specified by:

getId in interface DataSource

Returns:

setId

public void setId(java.lang.String id)

Description copied from interface: DataSource

Sets a string identification of the data source

Specified by:

setId in interface DataSource

mapSchema

public void mapSchema(PersistableInitializer initializer)
               throws java.lang.Exception

Throws:

java.lang.Exception

getPathSeparator

protected java.lang.String getPathSeparator()

getMap

protected AbstractJsonSource.RootAndResolved getMap(java.lang.String objectId)
                                             throws java.lang.Exception

Throws:

java.lang.Exception

convertJsonToJavaScript

protected java.lang.Object convertJsonToJavaScript(java.lang.Object value,
                                                   java.lang.String id)

mapObject

public void mapObject(PersistableInitializer initializer,
                      java.lang.String objectId)
               throws java.lang.Exception

Description copied from interface: DataSource

This is called when an object is being activated to retrieve the persisted data for a given object

Specified by:

mapObject in interface DataSource

Throws:

java.lang.Exception

mapJson

protected void mapJson(PersistableInitializer initializer,
                       java.lang.Object object,
                       java.lang.String objectId)

getResourceAsString

protected static java.lang.String getResourceAsString(java.io.InputStream is)
                                               throws java.io.IOException

Throws:

java.io.IOException

abortTransaction

public void abortTransaction()
                      throws java.lang.Exception

Throws:

java.lang.Exception

setJson

protected abstract void setJson(java.lang.String resourceName,
                                java.lang.String json)
                         throws java.lang.Exception

Throws:

java.lang.Exception

newJson

protected abstract void newJson(java.lang.String json)
                         throws java.lang.Exception

Throws:

java.lang.Exception

commitTransaction

public void commitTransaction()
                       throws java.lang.Exception

Throws:

java.lang.Exception

recordNewObject

public NewObjectPersister recordNewObject(Persistable object)
                                   throws java.lang.Exception

Throws:

java.lang.Exception

serialize

protected java.lang.String serialize(Persistable target)

makeDirty

protected void makeDirty(java.lang.String objectId)

startTransaction

public void startTransaction()
                      throws java.lang.Exception

Throws:

java.lang.Exception

hiddenId

public boolean hiddenId(java.lang.String id)

Specified by:

hiddenId in interface DataSource

recordList

public void recordList(java.lang.String objectId,
                       java.util.List<? extends java.lang.Object> values)
                throws java.lang.Exception

Specified by:

recordList in interface ListDataSource

Throws:

java.lang.Exception

recordPropertyAddition

public void recordPropertyAddition(java.lang.String objectId,
                                   java.lang.String name,
                                   java.lang.Object value,
                                   int attributes)
                            throws java.lang.Exception

Throws:

java.lang.Exception

recordPropertyChange

public void recordPropertyChange(java.lang.String objectId,
                                 java.lang.String name,
                                 java.lang.Object value,
                                 int attributes)
                          throws java.lang.Exception

Throws:

java.lang.Exception

recordPropertyRemoval

public void recordPropertyRemoval(java.lang.String objectId,
                                  java.lang.String name)
                           throws java.lang.Exception

Throws:

java.lang.Exception

handleNewObject

protected void handleNewObject(java.lang.Object value,
                               java.lang.String key,
                               java.lang.String parentId)