CanalPacket.AckOrBuilder (canal protocol module for otter 1.1.0 1.1.0 API)

方法
限定符和类型	方法和说明
`int`	`getErrorCode()` `optional int32 error_code = 1 [default = 0];`
`java.lang.String`	`getErrorMessage()` `optional string error_message = 2;` if something like compression is not supported, erorr_message will tell about it.
`com.google.protobuf.ByteString`	`getErrorMessageBytes()` `optional string error_message = 2;` if something like compression is not supported, erorr_message will tell about it.
`boolean`	`hasErrorCode()` `optional int32 error_code = 1 [default = 0];`
`boolean`	`hasErrorMessage()` `optional string error_message = 2;` if something like compression is not supported, erorr_message will tell about it.

从接口继承的方法 com.google.protobuf.MessageOrBuilder
findInitializationErrors, getAllFields, getDefaultInstanceForType, getDescriptorForType, getField, getInitializationErrorString, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField, hasOneof

hasErrorCode
```
boolean hasErrorCode()
```
optional int32 error_code = 1 [default = 0];

getErrorCode
```
int getErrorCode()
```
optional int32 error_code = 1 [default = 0];

boolean hasErrorMessage()

optional string error_message = 2;

 if something like compression is not supported, erorr_message will tell about it.

java.lang.String getErrorMessage()

optional string error_message = 2;

 if something like compression is not supported, erorr_message will tell about it.

com.google.protobuf.ByteString getErrorMessageBytes()

optional string error_message = 2;

 if something like compression is not supported, erorr_message will tell about it.

接口 CanalPacket.AckOrBuilder