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;
}
static char* serializeTable(JNIEnv* jniEngine, Table* table, jobject* buffer) {
size_t serializeSize = table->getAccurateSizeToSerialize(false);
char* backingCharArray = new char[serializeSize];
ReferenceSerializeOutput conflictSerializeOutput(backingCharArray, serializeSize);
table->serializeToWithoutTotalSize(conflictSerializeOutput);
*buffer = jniEngine->NewDirectByteBuffer(static_cast<void*>(backingCharArray),
static_cast<int32_t>(serializeSize));
if (*buffer == NULL) {
jniEngine->ExceptionDescribe();
throw std::exception();
}
return backingCharArray;
}