litesoft
@ 151
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 |
// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.bo.change; import java.util.*; import org.litesoft.core.util.*; public class OriginalValueChangeTrackerNull implements OriginalValueChangeTracker { public static final OriginalValueChangeTracker INSTANCE = new OriginalValueChangeTrackerNull(); public OriginalValueChangeTracker clear() { return this; } public boolean hasChanges() { return false; } public boolean isAttributeChanged( String pAttributeName ) { return false; } public boolean isOriginalValueAvailableFor( String pAttributeName ) { return false; } public Object getOriginalValueFor( String pAttributeName ) { return null; } public ChangeEntry getOriginalValueChangeEntryFor( String pAttributeName ) { return null; } public String[] getChangedAttributeNames() { return UtilsCommon.EMPTY_STRING_ARRAY; } public OriginalValueChangeTracker recordChange( String pAttributeName, ChangeEntry pNewChangeEntry, Object pOldValue, Object pNewValue ) { return createRealTracker().recordChange( pAttributeName, pNewChangeEntry, pOldValue, pNewValue ); } protected OriginalValueChangeTracker createRealTracker() { return new OriginalValueChangeTrackerImpl( new HashMap<String, ChangeEntry>() ); } } |