int JNITopend::reportDRConflict(int32_t partitionId,
int64_t remoteSequenceNumber, int64_t remoteUniqueId,
string tableName, Table* input, Table* output) {
if (input != NULL && output != NULL) {
// prepare tablename
jstring tableNameString = m_jniEnv->NewStringUTF(tableName.c_str());
// prepare input buffer
size_t serializeSize = input->getAccurateSizeToSerialize(false);
char* backingCharArray = new char[serializeSize];
ReferenceSerializeOutput conflictSerializeOutput(backingCharArray, serializeSize);
input->serializeToWithoutTotalSize(conflictSerializeOutput);
jobject inputBuffer = m_jniEnv->NewDirectByteBuffer(
static_cast<void*>(backingCharArray),
static_cast<int32_t>(serializeSize));
if (inputBuffer == NULL) {
m_jniEnv->ExceptionDescribe();
throw std::exception();
}
// prepare output buffer
size_t outputSerializeSize = output->getColumnHeaderSizeToSerialize(false) +
sizeof(int32_t) + // tuple count placeholder
output->schema()->getMaxSerializedTupleSize();
char* outputBackingCharArray = new char[outputSerializeSize];
ReferenceSerializeOutput outputSerializeOutput(outputBackingCharArray, outputSerializeSize);
// NOTE passed-in output table should have only schema and no tuples
output->serializeToWithoutTotalSize(outputSerializeOutput);
jobject outputBuffer = m_jniEnv->NewDirectByteBuffer(
static_cast<void*>(outputBackingCharArray),
static_cast<int32_t>(outputSerializeSize));
if (outputBuffer == NULL) {
m_jniEnv->ExceptionDescribe();
throw std::exception();
}
int32_t retval = m_jniEnv->CallStaticIntMethod(
m_partitionDRGatewayClass,
m_reportDRConflictMID,
partitionId,
remoteSequenceNumber,
remoteUniqueId,
tableNameString,
inputBuffer,
outputBuffer);
ReferenceSerializeInputBE filledOutputSerializeInput(outputBackingCharArray, outputSerializeSize);
output->loadTuplesFrom(filledOutputSerializeInput);
m_jniEnv->DeleteLocalRef(tableNameString);
m_jniEnv->DeleteLocalRef(inputBuffer);
m_jniEnv->DeleteLocalRef(outputBuffer);
return retval;
}
// -1 indicates error in parameters provided, for now
return -1;
}
int JNITopend::reportDRConflict(int32_t partitionId,
int64_t remoteSequenceNumber, DRConflictType conflict_type,
string tableName, Table* existingRows, Table* expectedRows,
Table* newRows, Table* output) {
assert(existingRows != NULL);
assert(expectedRows != NULL);
assert(newRows != NULL);
// prepare tablename
jstring tableNameString = m_jniEnv->NewStringUTF(tableName.c_str());
// prepare input buffer
jobject existingRowsBuffer;
jobject expectedRowsBuffer;
jobject newRowsBuffer;
char* existingCharArray = serializeTable(m_jniEnv, existingRows, &existingRowsBuffer);
char* expectedCharArray = serializeTable(m_jniEnv, expectedRows, &expectedRowsBuffer);
char* newCharArray = serializeTable(m_jniEnv, newRows, &newRowsBuffer);
// prepare output buffer
size_t outputSerializeSize = output->getColumnHeaderSizeToSerialize(false) +
sizeof(int32_t) + // tuple count placeholder
output->schema()->getMaxSerializedTupleSize();
char* outputBackingCharArray = new char[outputSerializeSize];
ReferenceSerializeOutput outputSerializeOutput(outputBackingCharArray, outputSerializeSize);
// NOTE passed-in output table should have only schema and no tuples
output->serializeToWithoutTotalSize(outputSerializeOutput);
jobject outputBuffer = m_jniEnv->NewDirectByteBuffer(
static_cast<void*>(outputBackingCharArray),
static_cast<int32_t>(outputSerializeSize));
if (outputBuffer == NULL) {
m_jniEnv->ExceptionDescribe();
throw std::exception();
}
int32_t retval = -1;
retval = m_jniEnv->CallStaticIntMethod(
m_partitionDRGatewayClass,
m_reportDRConflictMID,
partitionId,
remoteSequenceNumber,
conflict_type,
tableNameString,
existingRowsBuffer,
expectedRowsBuffer,
newRowsBuffer,
outputBuffer);
ReferenceSerializeInputBE filledOutputSerializeInput(outputBackingCharArray, outputSerializeSize);
output->loadTuplesFrom(filledOutputSerializeInput);
delete [] existingCharArray;
delete [] expectedCharArray;
delete [] newCharArray;
delete [] outputBackingCharArray;
m_jniEnv->DeleteLocalRef(tableNameString);
m_jniEnv->DeleteLocalRef(existingRowsBuffer);
m_jniEnv->DeleteLocalRef(expectedRowsBuffer);
m_jniEnv->DeleteLocalRef(newRowsBuffer);
m_jniEnv->DeleteLocalRef(outputBuffer);
return retval;
}
