本文整理匯總了Java中org.apache.avro.io.Decoder.readNull方法的典型用法代碼示例。如果您正苦於以下問題：Java Decoder.readNull方法的具體用法？Java Decoder.readNull怎麽用？Java Decoder.readNull使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.avro.io.Decoder的用法示例。
在下文中一共展示了Decoder.readNull方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: fromBytes
import org.apache.avro.io.Decoder; //導入方法依賴的package包/類
public Object fromBytes(Schema schema, byte data[]) throws GoraException {
Schema fromSchema = null;
if (schema.getType() == Type.UNION) {
try {
Decoder decoder = DecoderFactory.get().binaryDecoder(data, null);
int unionIndex = decoder.readIndex();
List<Schema> possibleTypes = schema.getTypes();
fromSchema = possibleTypes.get(unionIndex);
Schema effectiveSchema = possibleTypes.get(unionIndex);
if (effectiveSchema.getType() == Type.NULL) {
decoder.readNull();
return null;
} else {
data = decoder.readBytes(null).array();
}
} catch (IOException e) {
LOG.error(e.getMessage());
throw new GoraException("Error decoding union type: ", e);
}
} else {
fromSchema = schema;
}
return fromBytes(encoder, fromSchema, data);
}
示例2: fromBytes
import org.apache.avro.io.Decoder; //導入方法依賴的package包/類
public Object fromBytes(Schema schema, byte[] data) throws IOException {
Schema fromSchema = null;
if (schema.getType() == Type.UNION) {
try {
Decoder decoder = DecoderFactory.get().binaryDecoder(data, null);
int unionIndex = decoder.readIndex();
List<Schema> possibleTypes = schema.getTypes();
fromSchema = possibleTypes.get(unionIndex);
Schema effectiveSchema = possibleTypes.get(unionIndex);
if (effectiveSchema.getType() == Type.NULL) {
decoder.readNull();
return null;
} else {
data = decoder.readBytes(null).array();
}
} catch (IOException e) {
LOG.error(e.getMessage());
throw new GoraException("Error decoding union type: ", e);
}
} else {
fromSchema = schema;
}
return fromBytes(encoder, fromSchema, data);
}