private long getFinalizedTimestampMillis(String topic) throws Exception {
final int numPartitions = mKafkaClient.getNumPartitions(topic);
long minTimestamp = Long.MAX_VALUE;
for (int partition = 0; partition < numPartitions; ++partition) {
TopicPartition topicPartition = new TopicPartition(topic, partition);
long timestamp = getFinalizedTimestampMillis(topicPartition);
LOG.info(
"finalized timestamp for topic "
+ topic
+ " partition "
+ partition
+ " is "
+ timestamp);
if (timestamp == -1) {
return -1;
} else {
if (timestamp < minTimestamp) {
minTimestamp = timestamp;
}
}
}
if (minTimestamp == Long.MAX_VALUE) {
return -1;
}
return minTimestamp;
}
private long getLastTimestampMillis(String topic) throws Exception {
final int numPartitions = mKafkaClient.getNumPartitions(topic);
long max_timestamp = Long.MIN_VALUE;
for (int partition = 0; partition < numPartitions; ++partition) {
TopicPartition topicPartition = new TopicPartition(topic, partition);
long timestamp = getLastTimestampMillis(topicPartition);
if (timestamp > max_timestamp) {
max_timestamp = timestamp;
}
}
if (max_timestamp == Long.MIN_VALUE) {
return -1;
}
return max_timestamp;
}