Package org.apache.activemq.util

Examples of org.apache.activemq.util.ByteSequence

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        return l;
    }


    public Object readItem(Marshaller marshaller, StoreLocation location) throws IOException {
        ByteSequence sequence = dataManager.read(convertFromStoreLocation(location));
        DataByteArrayInputStream dataIn = new DataByteArrayInputStream(sequence);
        return marshaller.readPayload(dataIn);
    }
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    }

    public StoreLocation storeDataItem(Marshaller marshaller, Object payload) throws IOException {
        final DataByteArrayOutputStream buffer = new DataByteArrayOutputStream();
        marshaller.writePayload(payload, buffer);
        ByteSequence data = buffer.toByteSequence();
        return convertToStoreLocation(dataManager.write(data, (byte)1, false));
    }
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    }

    public void updateItem(StoreLocation location, Marshaller marshaller, Object payload) throws IOException {
        final DataByteArrayOutputStream buffer = new DataByteArrayOutputStream();
        marshaller.writePayload(payload, buffer);
        ByteSequence data = buffer.toByteSequence();
        dataManager.update(convertFromStoreLocation(location), data, false);
    }
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        synchronized (this) {
            controlFile = new ControlFile(new File(directory, filePrefix + "control"), CONTROL_RECORD_MAX_LENGTH);
            controlFile.lock();
        }

        ByteSequence sequence = controlFile.load();
        if (sequence != null && sequence.getLength() > 0) {
            unmarshallState(sequence);
        }
        if (useNio) {
            appender = new NIODataFileAppender(this);
        } else {
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        } else {
            dos.writeBoolean(false);
        }

        byte[] bs = baos.toByteArray();
        return new ByteSequence(bs, 0, bs.length);
    }
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    }

    public ByteSequence read(Location location) throws IOException, IllegalStateException {
        DataFile dataFile = getDataFile(location);
        DataFileAccessor reader = accessorPool.openDataFileAccessor(dataFile);
        ByteSequence rc = null;
        try {
            rc = reader.readRecord(location);
        } finally {
            accessorPool.closeDataFileAccessor(reader);
        }
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        }
        storeState(sync);
    }

    private synchronized void storeState(boolean sync) throws IOException {
        ByteSequence state = marshallState();
        appender.storeItem(state, Location.MARK_TYPE, sync);
        controlFile.store(state, sync);
    }
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                        write = (WriteCommand)write.getNext();
                    }

                    // Now do the 1 big write.
                    ByteSequence sequence = buff.toByteSequence();
                    file.write(sequence.getData(), sequence.getOffset(), sequence.getLength());
                    buff.reset();
                }

                file.getFD().sync();
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                file.seek(location.getOffset() + AsyncDataManager.ITEM_HEAD_SPACE);
            }

            byte[] data = new byte[location.getSize() - AsyncDataManager.ITEM_HEAD_FOOT_SPACE];
            file.readFully(data);
            return new ByteSequence(data, 0, data.length);

        } catch (RuntimeException e) {
            throw new IOException("Invalid location: " + location + ", : " + e);
        }
    }
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    public RecordLocation getNextRecordLocation(RecordLocation location) throws InvalidRecordLocationException, IOException, IllegalStateException {
        return convertToRecordLocation(dataManager.getNextLocation(convertFromRecordLocation(location)));
    }

    public Packet read(RecordLocation location) throws InvalidRecordLocationException, IOException, IllegalStateException {
        ByteSequence rc = dataManager.read(convertFromRecordLocation(location));
        if (rc == null) {
            return null;
        }
        return new ByteArrayPacket(rc.getData(), rc.getOffset(), rc.getLength());
    }
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Related Classes of org.apache.activemq.util.ByteSequence

  • org.apache.activemq.broker.region.cursors.FilePendingMessageCursor
  • org.apache.activemq.broker.scheduler.JobSchedulerStoreTest
  • org.apache.activemq.broker.scheduler.JobSchedulerTest
  • org.apache.activemq.broker.scheduler.SchedulerBroker
  • org.apache.activemq.broker.util.UDPTraceBrokerPlugin
  • org.apache.activemq.camel.component.JournalEndpoint
  • org.apache.activemq.camel.component.JournalRouteTest
  • org.apache.activemq.command.ActiveMQBytesMessage
  • org.apache.activemq.command.ActiveMQMapMessage
  • org.apache.activemq.command.ActiveMQMessageTest
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