/**
* Return an error message describing the types and number of failures in the BatchWrite.
*
* @param failedRows the rows which failed, and their respective error messages
* @return error message describing the failed rows
*/
private String getFailedRowsMessage(IntObjectOpenHashMap<WriteResult> failedRows) {
if (failedRows != null && failedRows.size() > 0) {
// Aggregate the error counts by code.
HashMap<Code, Integer> errorCodeToCountMap = new HashMap<>();
for (IntObjectCursor<WriteResult> failedRowCursor : failedRows) {
WriteResult wr = failedRowCursor.value;
Code errorCode = (wr == null ? null : wr.getCode());
Integer errorCount = errorCodeToCountMap.get(errorCode);
errorCodeToCountMap.put(
errorCode, (errorCode == null || errorCount == null ? 1 : errorCount + 1));
}
// Make a string out of the error map.
StringBuilder buf = new StringBuilder();
buf.append("{ ");
boolean first = true;
for (Map.Entry<Code, Integer> entry : errorCodeToCountMap.entrySet()) {
if (!first) {
buf.append(", ");
} else {
first = false;
}
buf.append(String.format("%s=%s", entry.getKey(), entry.getValue()));
}
buf.append(" }");
return buf.toString();
} else {
return "NONE";
}
}
