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Class symantec.itools.db.beans.binding.Mediator

Object
   |
   +----symantec.itools.db.beans.binding.Mediator

public class Mediator

extends Object

implements DataItemChangedListener, DataBusEventListener, DataBusMember

Blank

A constant indicating how an empty string will be set when updating data on the dbANYWHERE server.

Component

DBus

Default

A constant indicating how an empty string will be set when updating data on the dbANYWHERE server.

Input

Null

A constant indicating how an empty string will be set when updating data on the dbANYWHERE server.

currentCursorNumber

dataBinding

name of the DataItem.

emptyMeansNull

getMethods

hasFoundGetMethod

hasFoundSetMethod

notifyOn

offset

output

recursionLevel

setMethods

symantec.itools.db.beans.binding.Mediator()

Constructs the default mediator.

symantec.itools.db.beans.binding.Mediator(Object, String)

Constructs a Mediator given its output component and the full name of the fields it is supposed to show

addVetoableChangeListener(VetoableChangeListener)

adds and removes vetoable change listeners for the data bus.

commit()

Updates the DataItem with the values present in the output component.

commitUI(TriggerUIEvent)

createDataItemFromArray(DataItem, Object[][])

finalize()

findDI()

finds a DataItem given its name

getCollectionSize(DataItem)

getDataBinding()

Returns the full name of the DataItem.

getDataBus()

Returns the current DataBus

getEmptyMeansNull()

getGetMethods()

Returns the full name of the current get method.

getNumberOfRows()

getOutput()

Returns the actual output component

getOutputSize()

Returns the actual size of the output component.

getSetMethods()

Returns the full name of the current set method.

getSlice(int, Object[][], int)

handleDataBusEvent(DataBusEvent)

Handles the DataBus events, in particular the Data available events sent by the QueryNavigators.

hasFoundDI()

returns true if the mediator has found his data Item;

killActualInput()

notifyDataItemChanged(DataItemChangedEvent)

Responds to the sollicitations of the DataItem.

notifyEnabled(boolean)

Sets the notify flag.

removeVetoableChangeListener(VetoableChangeListener)

requestDataItem(DataBusEvent)

Changes the value of the DataItem when requested by the DataBus

setDataBinding(String)

Sets the name for the actual Data Item.And searches the DataBus for it This method is very important in the sense that it is the one that actually connects the mediator to the data bus The format is "Tablename

setDataBus(DataBus)

Connects to the DataBus

setEmptyMeansNull(boolean)

setGetMethods(String[])

Sets the methods for displaying a value in the component.

setOutput(Object)

Sets the output component in witch the Mediator is going to display the data.

setOutputSize(Dimension)

Sets the dimension of the output component, meaning how many cells is it going to display.

setSetMethods(String[])

Sets the methods for retrieving a value from the component.

suicide()

update(DataItem)

Updates the values displayed in the output component if they are different from those in the DataItem.

update(DataItem, int, int)

update(DataItem, int[], int, int)

public static final int Blank

A constant indicating how an empty string will be set when updating data on the dbANYWHERE server.

protected symantec.itools.db.beans.binding.OutputComponent Component

protected symantec.itools.db.beans.binding.databus.DataBus DBus

public static final int Default

A constant indicating how an empty string will be set when updating data on the dbANYWHERE server.

protected symantec.itools.db.beans.binding.databus.DataItem Input

public static final int Null

A constant indicating how an empty string will be set when updating data on the dbANYWHERE server.

protected int currentCursorNumber

protected java.lang.String dataBinding

name of the DataItem. This Name class contains all the methods for parsing and using the names.

protected boolean emptyMeansNull

protected java.lang.String[] getMethods

protected boolean hasFoundGetMethod

protected boolean hasFoundSetMethod

protected boolean notifyOn

protected int offset

protected java.lang.Object output

protected int recursionLevel

protected java.lang.String[] setMethods

public Mediator()

Constructs the default mediator.

public Mediator(Object Out,
                String name)

Constructs a Mediator given its output component and the full name of the fields it is supposed to show

Parameters:

Out - output component

name - fullname of the fields

public void addVetoableChangeListener(VetoableChangeListener listener)

adds and removes vetoable change listeners for the data bus.

public void commit()

Updates the DataItem with the values present in the output component.

public void commitUI(TriggerUIEvent trui)

protected symantec.itools.db.beans.binding.databus.DataItem createDataItemFromArray(DataItem DI,
                                                                                    Object[][] obj)

protected void finalize() throws Throwable

Throws: Throwable

Overrides:

finalize in class Object

protected void findDI()

finds a DataItem given its name

protected java.awt.Dimension getCollectionSize(DataItem DI)

public java.lang.String getDataBinding()

Returns the full name of the DataItem.

Returns:

the full name of the DataItem.

public symantec.itools.db.beans.binding.databus.DataBus getDataBus()

Returns the current DataBus

Returns:

the current DataBus

public boolean getEmptyMeansNull()

public java.lang.String[] getGetMethods()

Returns the full name of the current get method.

Returns:

the method for getting.

public int getNumberOfRows()

public java.lang.Object getOutput()

Returns the actual output component

Returns:

the output component

public java.awt.Dimension getOutputSize()

Returns the actual size of the output component.

Returns:

the dimension of the output component

public java.lang.String[] getSetMethods()

Returns the full name of the current set method.

Returns:

the method for setting.

protected java.lang.Object[][] getSlice(int type,
                                        Object[][] obj,
                                        int j)

public void handleDataBusEvent(DataBusEvent ibe)

Handles the DataBus events, in particular the Data available events sent by the QueryNavigators.

Parameters:

ibe - the DataBusEvent

public boolean hasFoundDI()

returns true if the mediator has found his data Item;

protected void killActualInput()

public void notifyDataItemChanged(DataItemChangedEvent e)

Responds to the sollicitations of the DataItem.

Parameters:

e - the DataItemChangedEvent

protected void notifyEnabled(boolean value)

Sets the notify flag.

public void removeVetoableChangeListener(VetoableChangeListener listener)

public void requestDataItem(DataBusEvent ibe)

Changes the value of the DataItem when requested by the DataBus

Parameters:

ibe - the DataBusEvent

public void setDataBinding(String name)

Sets the name for the actual Data Item.And searches the DataBus for it This method is very important in the sense that it is the one that actually connects the mediator to the data bus The format is "Tablename@col1,col2%NumberOfRows"

Parameters:

name - the name of the data to be shown

public void setDataBus(DataBus b) throws PropertyVetoException

Connects to the DataBus

Parameters:

b - the DataBus the mediator connects to

Throws: PropertyVetoException

public void setEmptyMeansNull(boolean propertyValue)

public void setGetMethods(String[] methodNames)

Sets the methods for displaying a value in the component.

Parameters:

methodNames - the names of the methods including their parameters i.e. {"get Focus(Row,Col)","getText()"}

public void setOutput(Object Out)

Sets the output component in witch the Mediator is going to display the data.

Parameters:

Out - the output component

protected void setOutputSize(Dimension size)

Sets the dimension of the output component, meaning how many cells is it going to display.

Parameters:

size - The desired size

public void setSetMethods(String[] methodNames)

Sets the methods for retrieving a value from the component. therte methods are in an array of strings and will be executed one after the other

Parameters:

methodNames - the names of the methods including their parameters i.e. "setText(Value,Row,Col)"

protected void suicide()

protected void update(DataItem Input)

Updates the values displayed in the output component if they are different from those in the DataItem.

protected void update(DataItem Input,
                      int xcursor,
                      int ycursor)

protected void update(DataItem Input,
                      int columns,
                      int xcursor,
                      int ycursor)

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