コード例 #1
0
 private void writeInt32(
     int readInt32, final MapOrListWriterImpl writer, String fieldName, boolean isList) {
   final IntHolder ih = new IntHolder();
   ih.value = readInt32;
   if (isList == false) {
     writer.integer(fieldName).write(ih);
   } else {
     writer.list.integer().write(ih);
   }
 }
コード例 #2
0
 private void writeInt64(
     long readInt64, final MapOrListWriterImpl writer, String fieldName, boolean isList) {
   final BigIntHolder bh = new BigIntHolder();
   bh.value = readInt64;
   if (isList == false) {
     writer.bigInt(fieldName).write(bh);
   } else {
     writer.list.bigInt().write(bh);
   }
 }
コード例 #3
0
 private void writeBoolean(
     boolean readBoolean, final MapOrListWriterImpl writer, String fieldName, boolean isList) {
   final BitHolder bit = new BitHolder();
   bit.value = readBoolean ? 1 : 0;
   if (isList == false) {
     writer.bit(fieldName).write(bit);
   } else {
     writer.list.bit().write(bit);
   }
 }
コード例 #4
0
 private void writeDouble(
     double readDouble, final MapOrListWriterImpl writer, String fieldName, boolean isList) {
   final Float8Holder f8h = new Float8Holder();
   f8h.value = readDouble;
   if (isList == false) {
     writer.float8(fieldName).write(f8h);
   } else {
     writer.list.float8().write(f8h);
   }
 }
コード例 #5
0
 private void writeBinary(
     final MapOrListWriterImpl writer,
     String fieldName,
     boolean isList,
     final VarBinaryHolder vb,
     final byte[] bytes) {
   ensure(bytes.length);
   workBuf.setBytes(0, bytes);
   vb.buffer = workBuf;
   vb.start = 0;
   vb.end = bytes.length;
   if (isList == false) {
     writer.binary(fieldName).write(vb);
   } else {
     writer.list.varBinary().write(vb);
   }
 }
コード例 #6
0
 private void writeString(
     String readString, final MapOrListWriterImpl writer, String fieldName, boolean isList) {
   int length;
   byte[] strBytes;
   try {
     strBytes = readString.getBytes("UTF-8");
   } catch (UnsupportedEncodingException e) {
     throw new DrillRuntimeException("Unable to read string value for field: " + fieldName, e);
   }
   length = strBytes.length;
   ensure(length);
   workBuf.setBytes(0, strBytes);
   final VarCharHolder vh = new VarCharHolder();
   vh.buffer = workBuf;
   vh.start = 0;
   vh.end = length;
   if (isList == false) {
     writer.varChar(fieldName).write(vh);
   } else {
     writer.list.varChar().write(vh);
   }
 }
コード例 #7
0
 private void writeToListOrMap(
     BsonReader reader, final MapOrListWriterImpl writer, boolean isList, String fieldName) {
   writer.start();
   // If isList is true, then filedName can be null as it is not required while
   // writing
   while (reader.readBsonType() != BsonType.END_OF_DOCUMENT) {
     if (!isList) {
       fieldName = reader.readName();
     }
     BsonType currentBsonType = reader.getCurrentBsonType();
     switch (currentBsonType) {
       case INT32:
         int readInt32 = reader.readInt32();
         if (readNumbersAsDouble) {
           writeDouble(readInt32, writer, fieldName, isList);
         } else {
           writeInt32(readInt32, writer, fieldName, isList);
         }
         atLeastOneWrite = true;
         break;
       case INT64:
         long readInt64 = reader.readInt64();
         if (readNumbersAsDouble) {
           writeDouble(readInt64, writer, fieldName, isList);
         } else {
           writeInt64(readInt64, writer, fieldName, isList);
         }
         atLeastOneWrite = true;
         break;
       case ARRAY:
         reader.readStartArray();
         writeToListOrMap(reader, (MapOrListWriterImpl) writer.list(fieldName), true, fieldName);
         atLeastOneWrite = true;
         break;
       case BINARY:
         // handle types
         writeBinary(reader, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case BOOLEAN:
         boolean readBoolean = reader.readBoolean();
         writeBoolean(readBoolean, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case DATE_TIME:
         long readDateTime = reader.readDateTime();
         writeDateTime(readDateTime, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case DOCUMENT:
         reader.readStartDocument();
         // To handle nested Documents.
         MapOrListWriterImpl _writer = writer;
         if (!isList) {
           _writer = (MapOrListWriterImpl) writer.map(fieldName);
         } else {
           _writer = (MapOrListWriterImpl) writer.listoftmap(fieldName);
         }
         writeToListOrMap(reader, _writer, false, fieldName);
         atLeastOneWrite = true;
         break;
       case DOUBLE:
         double readDouble = reader.readDouble();
         writeDouble(readDouble, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case JAVASCRIPT:
         final String readJavaScript = reader.readJavaScript();
         writeString(readJavaScript, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case JAVASCRIPT_WITH_SCOPE:
         final String readJavaScriptWithScopeString = reader.readJavaScriptWithScope();
         writeString(readJavaScriptWithScopeString, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case NULL:
         // just read and ignore.
         reader.readNull();
         break;
       case OBJECT_ID:
         writeObjectId(reader, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case STRING:
         final String readString = reader.readString();
         writeString(readString, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case SYMBOL:
         final String readSymbol = reader.readSymbol();
         writeString(readSymbol, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       case TIMESTAMP:
         int time = reader.readTimestamp().getTime();
         writeTimeStamp(time, writer, fieldName, isList);
         atLeastOneWrite = true;
         break;
       default:
         // Didn't handled REGULAR_EXPRESSION and DB_POINTER types
         throw new DrillRuntimeException("UnSupported Bson type: " + currentBsonType);
     }
   }
   if (!isList) {
     reader.readEndDocument();
   } else {
     reader.readEndArray();
   }
 }