android.database
Class AbstractCursor

java.lang.Object
  android.database.AbstractCursor

All Implemented Interfaces:

CrossProcessCursor, Cursor

Direct Known Subclasses:

AbstractWindowedCursor, MatrixCursor, MergeCursor

public abstract class AbstractCursor
extends java.lang.Object
implements CrossProcessCursor

Nested Class Summary

protected static class

AbstractCursor.SelfContentObserver

Field Summary

protected boolean	mClosed
protected ContentResolver	mContentResolver
protected java.lang.Long	mCurrentRowID
protected int	mPos
protected int	mRowIdColumnIndex
protected java.util.HashMap<java.lang.Long,java.util.Map<java.lang.String,java.lang.Object>>	mUpdatedRows

Constructor Summary

AbstractCursor()

Method Summary

protected void	checkPosition()
void	close()
void	copyStringToBuffer(int columnIndex, CharArrayBuffer buffer)
void	deactivate()
void	fillWindow(int position, CursorWindow window)
protected void	finalize()
byte[]	getBlob(int column)
int	getColumnCount()
int	getColumnIndex(java.lang.String columnName)
int	getColumnIndexOrThrow(java.lang.String columnName)
java.lang.String	getColumnName(int columnIndex)
abstract java.lang.String[]	getColumnNames()
abstract int	getCount()
abstract double	getDouble(int column)
Bundle	getExtras()
abstract float	getFloat(int column)
abstract int	getInt(int column)
abstract long	getLong(int column)
int	getPosition()
abstract short	getShort(int column)
abstract java.lang.String	getString(int column)
protected java.lang.Object	getUpdatedField(int columnIndex)
boolean	getWantsAllOnMoveCalls()
CursorWindow	getWindow()
boolean	isAfterLast()
boolean	isBeforeFirst()
boolean	isClosed()
protected boolean	isFieldUpdated(int columnIndex)
boolean	isFirst()
boolean	isLast()
abstract boolean	isNull(int column)
boolean	move(int offset)
boolean	moveToFirst()
boolean	moveToLast()
boolean	moveToNext()
boolean	moveToPosition(int position)
boolean	moveToPrevious()
protected void	onChange(boolean selfChange)
boolean	onMove(int oldPosition, int newPosition)
void	registerContentObserver(ContentObserver observer)
void	registerDataSetObserver(DataSetObserver observer)
boolean	requery()
Bundle	respond(Bundle extras)
void	setNotificationUri(ContentResolver cr, Uri notifyUri)
void	unregisterContentObserver(ContentObserver observer)
void	unregisterDataSetObserver(DataSetObserver observer)

Methods inherited from class java.lang.Object

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

Field Detail

mUpdatedRows

protected java.util.HashMap<java.lang.Long,java.util.Map<java.lang.String,java.lang.Object>> mUpdatedRows

mRowIdColumnIndex

protected int mRowIdColumnIndex

mPos

protected int mPos

mCurrentRowID

protected java.lang.Long mCurrentRowID

mContentResolver

protected ContentResolver mContentResolver

mClosed

protected boolean mClosed

Constructor Detail

AbstractCursor

public AbstractCursor()

Method Detail

getCount

public abstract int getCount()

Specified by:

getCount in interface Cursor

getColumnNames

public abstract java.lang.String[] getColumnNames()

Specified by:

getColumnNames in interface Cursor

getString

public abstract java.lang.String getString(int column)

Specified by:

getString in interface Cursor

getShort

public abstract short getShort(int column)

Specified by:

getShort in interface Cursor

getInt

public abstract int getInt(int column)

Specified by:

getInt in interface Cursor

getLong

public abstract long getLong(int column)

Specified by:

getLong in interface Cursor

getFloat

public abstract float getFloat(int column)

Specified by:

getFloat in interface Cursor

getDouble

public abstract double getDouble(int column)

Specified by:

getDouble in interface Cursor

isNull

public abstract boolean isNull(int column)

Specified by:

isNull in interface Cursor

getBlob

public byte[] getBlob(int column)

Specified by:

getBlob in interface Cursor

getWindow

public CursorWindow getWindow()

Specified by:

getWindow in interface CrossProcessCursor

getColumnCount

public int getColumnCount()

Specified by:

getColumnCount in interface Cursor

deactivate

public void deactivate()

Specified by:

deactivate in interface Cursor

requery

public boolean requery()

Specified by:

requery in interface Cursor

isClosed

public boolean isClosed()

Specified by:

isClosed in interface Cursor

close

public void close()

Specified by:

close in interface Cursor

onMove

public boolean onMove(int oldPosition,
                      int newPosition)

Specified by:

onMove in interface CrossProcessCursor

copyStringToBuffer

public void copyStringToBuffer(int columnIndex,
                               CharArrayBuffer buffer)

Specified by:

copyStringToBuffer in interface Cursor

getPosition

public final int getPosition()

Specified by:

getPosition in interface Cursor

moveToPosition

public final boolean moveToPosition(int position)

Specified by:

moveToPosition in interface Cursor

fillWindow

public void fillWindow(int position,
                       CursorWindow window)

Specified by:

fillWindow in interface CrossProcessCursor

move

public final boolean move(int offset)

Specified by:

move in interface Cursor

moveToFirst

public final boolean moveToFirst()

Specified by:

moveToFirst in interface Cursor

moveToLast

public final boolean moveToLast()

Specified by:

moveToLast in interface Cursor

moveToNext

public final boolean moveToNext()

Specified by:

moveToNext in interface Cursor

moveToPrevious

public final boolean moveToPrevious()

Specified by:

moveToPrevious in interface Cursor

isFirst

public final boolean isFirst()

Specified by:

isFirst in interface Cursor

isLast

public final boolean isLast()

Specified by:

isLast in interface Cursor

isBeforeFirst

public final boolean isBeforeFirst()

Specified by:

isBeforeFirst in interface Cursor

isAfterLast

public final boolean isAfterLast()

Specified by:

isAfterLast in interface Cursor

getColumnIndex

public int getColumnIndex(java.lang.String columnName)

Specified by:

getColumnIndex in interface Cursor

getColumnIndexOrThrow

public int getColumnIndexOrThrow(java.lang.String columnName)

Specified by:

getColumnIndexOrThrow in interface Cursor

getColumnName

public java.lang.String getColumnName(int columnIndex)

Specified by:

getColumnName in interface Cursor

registerContentObserver

public void registerContentObserver(ContentObserver observer)

Specified by:

registerContentObserver in interface Cursor

unregisterContentObserver

public void unregisterContentObserver(ContentObserver observer)

Specified by:

unregisterContentObserver in interface Cursor

registerDataSetObserver

public void registerDataSetObserver(DataSetObserver observer)

Specified by:

registerDataSetObserver in interface Cursor

unregisterDataSetObserver

public void unregisterDataSetObserver(DataSetObserver observer)

Specified by:

unregisterDataSetObserver in interface Cursor

onChange

protected void onChange(boolean selfChange)

setNotificationUri

public void setNotificationUri(ContentResolver cr,
                               Uri notifyUri)

Specified by:

setNotificationUri in interface Cursor

getWantsAllOnMoveCalls

public boolean getWantsAllOnMoveCalls()

Specified by:

getWantsAllOnMoveCalls in interface Cursor

getExtras

public Bundle getExtras()

Specified by:

getExtras in interface Cursor

respond

public Bundle respond(Bundle extras)

Specified by:

respond in interface Cursor

isFieldUpdated

protected boolean isFieldUpdated(int columnIndex)

getUpdatedField

protected java.lang.Object getUpdatedField(int columnIndex)

checkPosition

protected void checkPosition()

finalize

protected void finalize()

Overrides:

finalize in class java.lang.Object