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Annotation of Examples/IndexingKit/Ledger/GlobalThings.m, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Stores the serial number used during the lifetime of the store.
                      3:  *
                      4:  * Author: Kris Younger, NeXT Systems Engineering
                      5:  * You may freely copy, distribute and reuse the code in this example.  
                      6:  * NeXT disclaims any warranty of any kind, expressed or implied, as to 
                      7:  * its fitness for any particular use.
                      8:  */
                      9: #import "GlobalThings.h"
                     10: 
                     11: @implementation GlobalThings
                     12: - init
                     13: {
                     14:     currentSerial = 1;
                     15:     return self;
                     16: }
                     17: - (const char *)identification
                     18: {
                     19:        return GLOBALVARIDENT;
                     20: }
                     21: /* implement IXRecordTranscription protocol for faster serialization. */
                     22: - (unsigned int)handle { return runTimeHandle; }
                     23: 
                     24: - source: aSource didReadRecord:(unsigned)record
                     25: {
                     26:     return self;
                     27: }
                     28: 
                     29: - source:aSource willWriteRecord:(unsigned)record
                     30: {
                     31:        if (runTimeHandle == 0) runTimeHandle = record;
                     32:     return self;
                     33: }
                     34: 
                     35: - (int)currentSerial
                     36: {
                     37:     return currentSerial;
                     38: }
                     39: 
                     40: - (int)consumeSerial
                     41: {
                     42:     currentSerial += 1;
                     43:     return currentSerial;
                     44: }
                     45: 
                     46: @end

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