Java Code Examples for java.io.DataOutput#writeLong()

@Nonnull
private static ThrowableComputable<PersistentHashMap<String, Record>, IOException> getComputable(final File file) {
  return () -> new PersistentHashMap<>(file, EnumeratorStringDescriptor.INSTANCE, new DataExternalizer<Record>() {
    @Override
    public void save(@Nonnull DataOutput out, Record value) throws IOException {
      out.writeInt(value.magnitude);
      out.writeLong(value.date.getTime());
      out.writeLong(value.configurationHash);
    }

    @Override
    public Record read(@Nonnull DataInput in) throws IOException {
      return new Record(in.readInt(), new Date(in.readLong()), in.readLong());
    }
  }, 4096, CURRENT_VERSION);
}
 

/** {@inheritDoc} */
public void write(DataOutput out) throws IOException {
  super.write(out);

  //TODO: move it to DatanodeID once DatanodeID is not stored in FSImage
  out.writeShort(ipcPort);

  out.writeLong(capacity);
  out.writeLong(dfsUsed);
  out.writeLong(remaining);
  out.writeLong(lastUpdate);
  out.writeInt(xceiverCount);
  Text.writeString(out, location);
  Text.writeString(out, hostName == null? "": hostName);
  WritableUtils.writeEnum(out, getAdminState());
}
 

/** Serialize an {@link INodeFileAttributes}. */
public static void writeINodeFileAttributes(INodeFileAttributes file,
    DataOutput out) throws IOException {
  writeLocalName(file, out);
  writePermissionStatus(file, out);
  out.writeLong(file.getModificationTime());
  out.writeLong(file.getAccessTime());

  out.writeShort(file.getFileReplication());
  out.writeLong(file.getPreferredBlockSize());
}
 

/**
 * Millisecond encoding formats:
 *
 * upper two bits  units       field length  approximate range
 * ---------------------------------------------------------------
 * 00              30 minutes  1 byte        +/- 16 hours
 * 01              minutes     4 bytes       +/- 1020 years
 * 10              seconds     5 bytes       +/- 4355 years
 * 11              millis      9 bytes       +/- 292,000,000 years
 *
 * Remaining bits in field form signed offset from 1970-01-01T00:00:00Z.
 */
static void writeMillis(DataOutput out, long millis) throws IOException {
    if (millis % (30 * 60000L) == 0) {
        // Try to write in 30 minute units.
        long units = millis / (30 * 60000L);
        if (((units << (64 - 6)) >> (64 - 6)) == units) {
            // Form 00 (6 bits effective precision)
            out.writeByte((int)(units & 0x3f));
            return;
        }
    }

    if (millis % 60000L == 0) {
        // Try to write minutes.
        long minutes = millis / 60000L;
        if (((minutes << (64 - 30)) >> (64 - 30)) == minutes) {
            // Form 01 (30 bits effective precision)
            out.writeInt(0x40000000 | (int)(minutes & 0x3fffffff));
            return;
        }
    }
    
    if (millis % 1000L == 0) {
        // Try to write seconds.
        long seconds = millis / 1000L;
        if (((seconds << (64 - 38)) >> (64 - 38)) == seconds) {
            // Form 10 (38 bits effective precision)
            out.writeByte(0x80 | (int)((seconds >> 32) & 0x3f));
            out.writeInt((int)(seconds & 0xffffffff));
            return;
        }
    }

    // Write milliseconds either because the additional precision is
    // required or the minutes didn't fit in the field.
    
    // Form 11 (64 bits effective precision, but write as if 70 bits)
    out.writeByte(millis < 0 ? 0xff : 0xc0);
    out.writeLong(millis);
}
 

@Override
public void write(DataOutput out) throws IOException {
  super.write(out);
  int sizeInWords = buckets2words(vectorSize);
  for(int i = 0; i < sizeInWords; i++) {
    out.writeLong(buckets[i]);
  }
}
 

/**
 * Writes the state to the stream.
 *
 * @param epochSec  the epoch seconds, not null
 * @param out  the output stream, not null
 * @throws IOException if an error occurs
 */
static void writeEpochSec(long epochSec, DataOutput out) throws IOException {
    if (epochSec >= -4575744000L && epochSec < 10413792000L && epochSec % 900 == 0) {  // quarter hours between 1825 and 2300
        int store = (int) ((epochSec + 4575744000L) / 900);
        out.writeByte((store >>> 16) & 255);
        out.writeByte((store >>> 8) & 255);
        out.writeByte(store & 255);
    } else {
        out.writeByte(255);
        out.writeLong(epochSec);
    }
}
 

@Override
public void toData(final DataOutput out) throws IOException {
  super.toData(out);
  DataSerializer.writePrimitiveByte(this.flags, out);
  out.writeLong(this.connId);
  out.writeLong(this.id);
  InternalDataSerializer.invokeToData(this.ddl, out);
}
 

@Override
public void toData(DataOutput out)
    throws IOException {
  super.toData(out);

  if (GemFireXDUtils.TraceApplicationJars) {
    SanityManager.DEBUG_PRINT(GfxdConstants.TRACE_APP_JARS,
        "GfxdJarMessage#toData: this.sendBytes " + this.sendBytes
            + " and jar bytes " + Arrays.toString(this.jar_bytes));
  }

  out.writeLong(this.id);
  DataSerializer.writeString(this.schemaName, out);
  DataSerializer.writeString(this.sqlName, out);
  DataSerializer.writeByte((byte)this.type, out);

  if (this.type != JAR_REMOVE) {
    if (this.sendBytes) {
      if (GemFireXDUtils.TraceApplicationJars) {
        SanityManager.DEBUG_PRINT(GfxdConstants.TRACE_APP_JARS,
            "GfxdJarMessage#toData: writing byte array "
                + Arrays.toString(this.jar_bytes));
      }
      DataSerializer.writeByteArray(this.jar_bytes, out);
    }
    else {
      if (GemFireXDUtils.TraceApplicationJars) {
        SanityManager.DEBUG_PRINT(GfxdConstants.TRACE_APP_JARS,
            "GfxdJarMessage#toData: sending null jar bytes "
                + Arrays.toString(this.jar_bytes));
      }
      DataSerializer.writeByteArray(null, out);
    }
    DataSerializer.writeLong(this.oldId, out);
  }
}
 

void write( DataOutput out ) throws IOException
{
	out.writeInt( status );
	out.writeLong( length );
	out.writeInt( blockCount );
	for ( int i = 0; i < DIRECT_BLOCK_COUNT; i++ )
	{
		out.writeInt( directBlocks[i] );
	}
	for ( int i = 0; i < INDIRECT_BLOCK_COUNT; i++ )
	{
		out.writeInt( indirectBlocks[i] );
	}
}
 

@Override
public void writeFields(DataOutput out) throws IOException {
    out.writeLong(writerId.getMostSignificantBits());
    out.writeLong(writerId.getLeastSignificantBits());
    out.writeLong(eventNumber);
    out.writeLong(expectedOffset);
    event.writeFields(out);
}
 

/**
 * Millisecond encoding formats:
 *
 * upper two bits  units       field length  approximate range
 * ---------------------------------------------------------------
 * 00              30 minutes  1 byte        +/- 16 hours
 * 01              minutes     4 bytes       +/- 1020 years
 * 10              seconds     5 bytes       +/- 4355 years
 * 11              millis      9 bytes       +/- 292,000,000 years
 *
 * Remaining bits in field form signed offset from 1970-01-01T00:00:00Z.
 */
static void writeMillis(DataOutput out, long millis) throws IOException {
    if (millis % (30 * 60000L) == 0) {
        // Try to write in 30 minute units.
        long units = millis / (30 * 60000L);
        if (((units << (64 - 6)) >> (64 - 6)) == units) {
            // Form 00 (6 bits effective precision)
            out.writeByte((int)(units & 0x3f));
            return;
        }
    }

    if (millis % 60000L == 0) {
        // Try to write minutes.
        long minutes = millis / 60000L;
        if (((minutes << (64 - 30)) >> (64 - 30)) == minutes) {
            // Form 01 (30 bits effective precision)
            out.writeInt(0x40000000 | (int)(minutes & 0x3fffffff));
            return;
        }
    }
    
    if (millis % 1000L == 0) {
        // Try to write seconds.
        long seconds = millis / 1000L;
        if (((seconds << (64 - 38)) >> (64 - 38)) == seconds) {
            // Form 10 (38 bits effective precision)
            out.writeByte(0x80 | (int)((seconds >> 32) & 0x3f));
            out.writeInt((int)(seconds & 0xffffffff));
            return;
        }
    }

    // Write milliseconds either because the additional precision is
    // required or the minutes didn't fit in the field.
    
    // Form 11 (64 bits effective precision, but write as if 70 bits)
    out.writeByte(millis < 0 ? 0xff : 0xc0);
    out.writeLong(millis);
}
 

public void toData(DataOutput out)
throws IOException {
  out.writeInt(this.acctId);
  DataSerializer.writeString(this.customerName, out);
  out.writeDouble(this.netWorth);
  DataSerializer.writeHashMap((HashMap)this.assets, out);
  out.writeLong(this.timestamp);
  if (fineEnabled) {
    Log.getLogWriter().fine("INVOKED: toData on key " + this.acctId);
  }
}
 

@Override
public void writeFields(DataOutput out) throws IOException {
    out.writeLong(requestId);
    out.writeUTF(segment);
    out.writeUTF(delegationToken == null ? "" : delegationToken);
    out.writeInt(suggestedEntryCount);
    out.writeInt(continuationToken.readableBytes()); // continuation token length.
    if (continuationToken.readableBytes() != 0) {
        continuationToken.getBytes(continuationToken.readerIndex(), (OutputStream) out, continuationToken.readableBytes());
    }
}
 

public void write(DataOutput dataOutput, LockInfo lockInfo) throws IOException {
    dataOutput.writeInt(lockInfo.port);
    dataOutput.writeLong(lockInfo.lockId);
    dataOutput.writeUTF(trimIfNecessary(lockInfo.pid));
    dataOutput.writeUTF(trimIfNecessary(lockInfo.operation));
}
 

public void writeToObjectStream(DataOutput dataOut) throws java.io.IOException
{
  dataOut.writeUTF(name == null ? "" : name);
  dataOut.writeUTF(id == null ? "" : id);
  dataOut.writeUTF(desc == null ? "" : desc);
  dataOut.writeUTF(type == null ? "" : type);
  dataOut.writeInt(screenshotURLs == null ? 0 : screenshotURLs.size());
  for (int i = 0; screenshotURLs != null && i < screenshotURLs.size(); i++)
    dataOut.writeUTF(screenshotURLs.get(i).toString());
  dataOut.writeInt(demoVideoURLs == null ? 0 : demoVideoURLs.size());
  for (int i = 0; demoVideoURLs != null && i < demoVideoURLs.size(); i++)
    dataOut.writeUTF(demoVideoURLs.get(i).toString());
  dataOut.writeUTF(author == null ? "" : author);
  dataOut.writeLong(createDate);
  dataOut.writeLong(modDate);
  dataOut.writeLong(installDate);
  dataOut.writeUTF(version == null ? "" : version);
  dataOut.writeUTF(resPath == null ? "" : resPath);
  dataOut.writeInt(webpages == null ? 0 : webpages.size());
  for (int i = 0; webpages != null && i < webpages.size(); i++)
    dataOut.writeUTF(webpages.get(i).toString());
  dataOut.writeUTF(implClass == null ? "" : implClass);
  dataOut.writeBoolean(desktopOnly);
  dataOut.writeBoolean(serverOnly);
  dataOut.writeBoolean(winOK);
  dataOut.writeBoolean(linuxOK);
  dataOut.writeBoolean(macOK);
  dataOut.writeInt(dependencies == null ? 0 : dependencies.size());
  for (int i = 0; dependencies != null && i < dependencies.size(); i++)
  {
    Dependency dep = (Dependency) dependencies.get(i);
    dataOut.writeUTF(dep.id == null ? "" : dep.id);
    dataOut.writeUTF(dep.minVersion == null ? "" : dep.minVersion);
    dataOut.writeUTF(dep.maxVersion == null ? "" : dep.maxVersion);
    dataOut.writeUTF(dep.type == null ? "" : dep.type);
  }
  dataOut.writeInt(packages == null ? 0 : packages.size());
  for (int i = 0; packages != null && i < packages.size(); i++)
  {
    Package pack = (Package) packages.get(i);
    dataOut.writeUTF(pack.type == null ? "" : pack.type);
    dataOut.writeUTF(pack.url == null ? "" : pack.url);
    dataOut.writeUTF(pack.rawMD5 == null ? "" : pack.rawMD5);
    dataOut.writeBoolean(pack.overwrite);
  }
  dataOut.writeInt(state);
  dataOut.writeInt(installIndex);
  dataOut.writeInt(stvImports == null ? 0 : stvImports.size());
  for (int i = 0; stvImports != null && i < stvImports.size(); i++)
    dataOut.writeUTF(stvImports.get(i).toString());
  dataOut.writeBoolean(beta);
  dataOut.writeUTF(releaseNotes == null ? "" : releaseNotes);
}
 

@Override
public void writeFields(DataOutput out) throws IOException {
    out.writeLong(writerId.getMostSignificantBits());
    out.writeLong(writerId.getLeastSignificantBits());
    out.writeLong(eventNumber);
}
 

@Override
public void toData(DataOutput out) throws IOException {
  out.writeLong(f1);
  out.writeUTF(f2);
}
 

@Override
public void writeFields(DataOutput out) throws IOException {
    out.writeLong(requestId);
    out.writeUTF(segment);
    out.writeUTF(serverStackTrace);
}
 

@Override
public void encode(DataOutput out, TrackExceptionMessage message) throws IOException {
  out.writeLong(message.executorId);
  ExceptionTools.encodeException(out, message.exception);
}
 

void writeExternal(DataOutput out) throws IOException {
    out.writeLong(seconds);
    out.writeInt(nanos);
}