diff options
Diffstat (limited to 'projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/ArrayFault.java')
| -rw-r--r-- | projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/ArrayFault.java | 322 |
1 files changed, 146 insertions, 176 deletions
diff --git a/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/ArrayFault.java b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/ArrayFault.java index 59e135b..3a2bcaf 100644 --- a/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/ArrayFault.java +++ b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/ArrayFault.java @@ -25,195 +25,165 @@ import java.util.ListIterator; import net.wotonomy.foundation.NSArray; /** -* A class that extends NSArray to intercept any accessor calls -* in order to defer loading until the last possible moment.<br><br> -* -* Because ArrayFault inherits from NSArray which implements -* List which implements Collection, data objects may declare -* their relationships to be of type NSArray, List, or Collection.<br><br> -* -* This class should be returned by implementations of -* EOObjectStore.arrayFaultForSourceGlobalID(). -*/ -public class ArrayFault extends NSArray -{ - private EOEditingContext editingContext; - private EOGlobalID sourceID; - private String relationshipKey; - private boolean fetched; - - public ArrayFault( - EOGlobalID aSourceID, - String aRelationshipKey, - EOEditingContext aContext ) - { - super(); - editingContext = aContext; - sourceID = aSourceID; - relationshipKey = aRelationshipKey; - fetched = false; - } - - public boolean isFetched() - { - return fetched; - } - - protected void fireFault() - { - if ( !fetched ) - { + * A class that extends NSArray to intercept any accessor calls in order to + * defer loading until the last possible moment.<br> + * <br> + * + * Because ArrayFault inherits from NSArray which implements List which + * implements Collection, data objects may declare their relationships to be of + * type NSArray, List, or Collection.<br> + * <br> + * + * This class should be returned by implementations of + * EOObjectStore.arrayFaultForSourceGlobalID(). + */ +public class ArrayFault extends NSArray { + private EOEditingContext editingContext; + private EOGlobalID sourceID; + private String relationshipKey; + private boolean fetched; + + public ArrayFault(EOGlobalID aSourceID, String aRelationshipKey, EOEditingContext aContext) { + super(); + editingContext = aContext; + sourceID = aSourceID; + relationshipKey = aRelationshipKey; + fetched = false; + } + + public boolean isFetched() { + return fetched; + } + + protected void fireFault() { + if (!fetched) { //new net.wotonomy.ui.swing.util.StackTraceInspector(); //System.out.println( "ArrayFault.fireFault: before:" + this ); - fetched = true; - super.protectedAddAll( - editingContext.parentObjectStore().objectsForSourceGlobalID( - sourceID, - relationshipKey, - editingContext ) ); + fetched = true; + super.protectedAddAll(editingContext.parentObjectStore().objectsForSourceGlobalID(sourceID, relationshipKey, + editingContext)); //System.out.println( "ArrayFault.fireFault: after:" + this ); - } - } - - public Object clone() - { - fireFault(); - return super.clone(); - } - - public boolean contains(Object elem) - { - fireFault(); - return super.contains( elem ); - } - - public boolean equals(Object o) - { - fireFault(); - return super.equals( o ); - } - - public Object get(int index) - { - fireFault(); - return super.get( index ); - } - - /** - * Overridden to return the identity hash. - * This somewhat violates the List contract, - * but otherwise calling hash code would - * fire the fault. Bottom line: don't use - * array faults as keys in hash maps. - */ - public int hashCode() - { - return System.identityHashCode( this ); - } - - public int indexOf(Object o) - { - fireFault(); - return super.indexOf( o ); - } - - public boolean isEmpty() - { - fireFault(); - return super.isEmpty(); - } - - public Iterator iterator() - { - fireFault(); - return super.iterator(); - } - - public int lastIndexOf(Object o) - { - fireFault(); - return super.lastIndexOf( o ); - } - - public ListIterator listIterator() - { - fireFault(); - return super.listIterator(); - } - - public ListIterator listIterator(int index) - { - fireFault(); - return super.listIterator( index ); - } - - public int size() - { - fireFault(); - return super.size(); - } - - public List subList(int fromIndex, int toIndex) - { - fireFault(); - return super.subList( fromIndex, toIndex ); - } - - public Object[] toArray() - { - fireFault(); - return super.toArray(); - } - - public Object[] toArray(Object[] a) - { - fireFault(); - return super.toArray( a ); - } - - /** - * Overridden to display information about - * the fault only if not fetched. - * Calls to super if fetched. - */ - public String toString() - { - if ( isFetched() ) - { - return super.toString(); - } - return "[ArrayFault@"+Integer.toHexString( System.identityHashCode( this ) )+":"+sourceID+":"+relationshipKey+"]"; - } + } + } + + public Object clone() { + fireFault(); + return super.clone(); + } + + public boolean contains(Object elem) { + fireFault(); + return super.contains(elem); + } + + public boolean equals(Object o) { + fireFault(); + return super.equals(o); + } + + public Object get(int index) { + fireFault(); + return super.get(index); + } + + /** + * Overridden to return the identity hash. This somewhat violates the List + * contract, but otherwise calling hash code would fire the fault. Bottom line: + * don't use array faults as keys in hash maps. + */ + public int hashCode() { + return System.identityHashCode(this); + } + + public int indexOf(Object o) { + fireFault(); + return super.indexOf(o); + } + + public boolean isEmpty() { + fireFault(); + return super.isEmpty(); + } + + public Iterator iterator() { + fireFault(); + return super.iterator(); + } + + public int lastIndexOf(Object o) { + fireFault(); + return super.lastIndexOf(o); + } + + public ListIterator listIterator() { + fireFault(); + return super.listIterator(); + } + + public ListIterator listIterator(int index) { + fireFault(); + return super.listIterator(index); + } + + public int size() { + fireFault(); + return super.size(); + } + + public List subList(int fromIndex, int toIndex) { + fireFault(); + return super.subList(fromIndex, toIndex); + } + + public Object[] toArray() { + fireFault(); + return super.toArray(); + } + + public Object[] toArray(Object[] a) { + fireFault(); + return super.toArray(a); + } + + /** + * Overridden to display information about the fault only if not fetched. Calls + * to super if fetched. + */ + public String toString() { + if (isFetched()) { + return super.toString(); + } + return "[ArrayFault@" + Integer.toHexString(System.identityHashCode(this)) + ":" + sourceID + ":" + + relationshipKey + "]"; + } } /* - * $Log$ - * Revision 1.2 2006/02/16 16:47:14 cgruber - * Move some classes in to "internal" packages and re-work imports, etc. + * $Log$ Revision 1.2 2006/02/16 16:47:14 cgruber Move some classes in to + * "internal" packages and re-work imports, etc. * - * Also use UnsupportedOperationExceptions where appropriate, instead of WotonomyExceptions. + * Also use UnsupportedOperationExceptions where appropriate, instead of + * WotonomyExceptions. * - * Revision 1.1 2006/02/16 13:19:57 cgruber - * Check in all sources in eclipse-friendly maven-enabled packages. + * Revision 1.1 2006/02/16 13:19:57 cgruber Check in all sources in + * eclipse-friendly maven-enabled packages. * - * Revision 1.5 2003/12/18 15:37:38 mpowers - * Changes to retain ability to work with objects that don't necessarily - * implement EOEnterpriseObject. I would still like to preserve this case - * for general usage, however the access package is free to assume that - * those objects will be EOs and cast appropriately. + * Revision 1.5 2003/12/18 15:37:38 mpowers Changes to retain ability to work + * with objects that don't necessarily implement EOEnterpriseObject. I would + * still like to preserve this case for general usage, however the access + * package is free to assume that those objects will be EOs and cast + * appropriately. * - * Revision 1.4 2003/08/19 01:53:12 chochos - * EOObjectStore had some incompatible return types (Object instead of EOEnterpriseObject, in fault methods mostly). It's internally consistent but I hope it doesn't break anything based on this, even though fault methods mostly throw exceptions for now. + * Revision 1.4 2003/08/19 01:53:12 chochos EOObjectStore had some incompatible + * return types (Object instead of EOEnterpriseObject, in fault methods mostly). + * It's internally consistent but I hope it doesn't break anything based on + * this, even though fault methods mostly throw exceptions for now. * - * Revision 1.3 2002/10/24 18:17:37 mpowers - * ArrayFaults are now read-only. + * Revision 1.3 2002/10/24 18:17:37 mpowers ArrayFaults are now read-only. * - * Revision 1.2 2001/05/06 22:22:55 mpowers - * Debugging. + * Revision 1.2 2001/05/06 22:22:55 mpowers Debugging. * - * Revision 1.1 2001/05/05 23:05:42 mpowers - * Implemented Array Faults. + * Revision 1.1 2001/05/05 23:05:42 mpowers Implemented Array Faults. * * */ - |