Package org.apache.kahadb.util

Examples of org.apache.kahadb.util.DataByteArrayOutputStream

757
758
759
760
761
762
763
764
765
766
767
768
769
                if (first == null) {
                    first = page;
                }

                addToCache(page);
                DataByteArrayOutputStream out = new DataByteArrayOutputStream(pageSize);
                page.write(out);
                write(page, out.getData());

                // LOG.debug("allocate writing: "+page.getPageId());
                c--;
            }
View Full Code Here
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
      if (before != null) {
          before.run();
      }
        try {
            int size = data.serializedSizeFramed();
            DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
            os.writeByte(data.type().getNumber());
            data.writeFramed(os);
   
            long start = System.currentTimeMillis();
            Location location = journal.write(os.toByteSequence(), sync);
            long start2 = System.currentTimeMillis();
            process(data, location);
          long end = System.currentTimeMillis();
          if( LOG_SLOW_ACCESS_TIME>0 && end-start > LOG_SLOW_ACCESS_TIME) {
            LOG.info("Slow KahaDB access: Journal append took: "+(start2-start)+" ms, Index update took "+(end-start2)+" ms");
View Full Code Here
840
841
842
843
844
845
846
847
848
849
        }
    }

    public ByteSequence toByteSequence(JournalCommand<?> data) throws IOException {
        int size = data.serializedSizeFramed();
        DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
        os.writeByte(data.type().getNumber());
        data.writeFramed(os);
        return os.toByteSequence();
    }
View Full Code Here
244
245
246
247
248
249
250
251
252
253
254
255
        store(new KahaCommitCommand().setTransactionInfo(multiKahaDBPersistenceAdapter.transactionIdTransformer.transform(txid)));
    }

    private Location store(JournalCommand<?> data) throws IOException {
        int size = data.serializedSizeFramed();
        DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
        os.writeByte(data.type().getNumber());
        data.writeFramed(os);
        Location location = journal.write(os.toByteSequence(), true);
        journal.setLastAppendLocation(location);
        return location;
    }
View Full Code Here
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
    public static final int BATCH_CONTROL_RECORD_SIZE = RECORD_HEAD_SPACE+BATCH_CONTROL_RECORD_MAGIC.length+4+8;
    public static final byte[] BATCH_CONTROL_RECORD_HEADER = createBatchControlRecordHeader();

    private static byte[] createBatchControlRecordHeader() {
        try {
            DataByteArrayOutputStream os = new DataByteArrayOutputStream();
            os.writeInt(BATCH_CONTROL_RECORD_SIZE);
            os.writeByte(BATCH_CONTROL_RECORD_TYPE);
            os.write(BATCH_CONTROL_RECORD_MAGIC);
            ByteSequence sequence = os.toByteSequence();
            sequence.compact();
            return sequence.getData();
        } catch (IOException e) {
            throw new RuntimeException("Could not create batch control record header.", e);
        }
View Full Code Here
840
841
842
843
844
845
846
847
848
849
850
851
852
                if (first == null) {
                    first = page;
                }

                addToCache(page);
                DataByteArrayOutputStream out = new DataByteArrayOutputStream(pageSize);
                page.write(out);
                write(page, out.getData());

                // LOG.debug("allocate writing: "+page.getPageId());
            }

            return first;
View Full Code Here
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
        DataFile dataFile = null;
        RandomAccessFile file = null;
        WriteBatch wb = null;
        try {

            DataByteArrayOutputStream buff = new DataByteArrayOutputStream(maxWriteBatchSize);
            while (true) {

                // Block till we get a command.
                synchronized (enqueueMutex) {
                    while (true) {
                        if (nextWriteBatch != null) {
                            wb = nextWriteBatch;
                            nextWriteBatch = null;
                            break;
                        }
                        if (shutdown) {
                            return;
                        }
                        enqueueMutex.wait();
                    }
                    enqueueMutex.notifyAll();
                }

                if (dataFile != wb.dataFile) {
                    if (file != null) {
                        file.setLength(dataFile.getLength());
                        dataFile.closeRandomAccessFile(file);
                    }
                    dataFile = wb.dataFile;
                    file = dataFile.openRandomAccessFile();
                    if( file.length() < journal.preferedFileLength ) {
                        file.setLength(journal.preferedFileLength);
                    }
                }

                Journal.WriteCommand write = wb.writes.getHead();

                // Write an empty batch control record.
                buff.reset();
                buff.writeInt(Journal.BATCH_CONTROL_RECORD_SIZE);
                buff.writeByte(Journal.BATCH_CONTROL_RECORD_TYPE);
                buff.write(Journal.BATCH_CONTROL_RECORD_MAGIC);
                buff.writeInt(0);
                buff.writeLong(0);

                boolean forceToDisk = false;
                while (write != null) {
                    forceToDisk |= write.sync | (syncOnComplete && write.onComplete != null);
                    buff.writeInt(write.location.getSize());
                    buff.writeByte(write.location.getType());
                    buff.write(write.data.getData(), write.data.getOffset(), write.data.getLength());
                    write = write.getNext();
                }

                ByteSequence sequence = buff.toByteSequence();

                // Now we can fill in the batch control record properly.
                buff.reset();
                buff.skip(5+Journal.BATCH_CONTROL_RECORD_MAGIC.length);
                buff.writeInt(sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                if( journal.isChecksum() ) {
                    Checksum checksum = new Adler32();
                    checksum.update(sequence.getData(), sequence.getOffset()+Journal.BATCH_CONTROL_RECORD_SIZE, sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                    buff.writeLong(checksum.getValue());
                }

                // Now do the 1 big write.
                file.seek(wb.offset);
                if (maxStat > 0) {
View Full Code Here
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
                    if( file.length() < journal.preferedFileLength ) {
                        file.setLength(journal.preferedFileLength);
                    }
                }

                final DataByteArrayOutputStream buff = wb.buff;
                final boolean forceToDisk = wb.forceToDisk;

                ByteSequence sequence = buff.toByteSequence();
               
                // Now we can fill in the batch control record properly.
                buff.reset();
                buff.skip(5+Journal.BATCH_CONTROL_RECORD_MAGIC.length);
                buff.writeInt(sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                if( journal.isChecksum() ) {
                  Checksum checksum = new Adler32();
                  checksum.update(sequence.getData(), sequence.getOffset()+Journal.BATCH_CONTROL_RECORD_SIZE, sequence.getLength()-Journal.BATCH_CONTROL_RECORD_SIZE);
                  buff.writeLong(checksum.getValue());
                }

                // Now do the 1 big write.
                file.seek(wb.offset);
                if (maxStat > 0) {
View Full Code Here
751
752
753
754
755
756
757
758
759
760
761
762
763
                if (first == null) {
                    first = page;
                }

                addToCache(page);
                DataByteArrayOutputStream out = new DataByteArrayOutputStream(pageSize);
                page.write(out);
                write(page, out.getData());

                // LOG.debug("allocate writing: "+page.getPageId());
                c--;
            }
View Full Code Here
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
      if (before != null) {
          before.run();
      }
        try {
            int size = data.serializedSizeFramed();
            DataByteArrayOutputStream os = new DataByteArrayOutputStream(size + 1);
            os.writeByte(data.type().getNumber());
            data.writeFramed(os);
   
            long start = System.currentTimeMillis();
            Location location = journal.write(os.toByteSequence(), sync);
            long start2 = System.currentTimeMillis();
            process(data, location);
          long end = System.currentTimeMillis();
          if( LOG_SLOW_ACCESS_TIME>0 && end-start > LOG_SLOW_ACCESS_TIME) {
            LOG.info("Slow KahaDB access: Journal append took: "+(start2-start)+" ms, Index update took "+(end-start2)+" ms");
View Full Code Here
TOP

Related Classes of org.apache.kahadb.util.DataByteArrayOutputStream

  • org.apache.activemq.store.kahadb.MessageDatabase
  • org.apache.activemq.store.kahadb.MultiKahaDBTransactionStore
  • org.apache.activemq.store.kahadb.PBMesssagesTest
  • org.apache.kahadb.journal.CallerBufferingDataFileAppender
  • org.apache.kahadb.journal.DataFileAppender
  • org.apache.kahadb.journal.Journal
  • org.apache.kahadb.page.PageFile
  • org.apache.kahadb.page.Transaction
  • java.io.UTFDataFormatException
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.