@Test
public void testModifyPartition() throws Exception {
int curIdx = 7;
long curBorder = 800;
Datasource ds = new Datasource();
ds.addProperty(new Property("url").setValue("jdbc:mysql://localhost:3306/fxhermesshard01db"));
ds.addProperty(new Property("user").setValue("root"));
ds.addProperty(new Property("password").setValue(""));
Topic t = new Topic().setName("song.test").setId(1L);
Partition p = new Partition(0);
MessageTableContext ctx = new MessageTableContext(t, p, 0, 30, 2, 5);
ctx.setDatasource(ds);
List<PartitionInfo> addlist = new ArrayList<PartitionInfo>();
for (int i = 0; i < 5; i++) {
PartitionInfo info = new PartitionInfo();
info.setUpperbound(curBorder + (i + 1) * 100);
info.setName("p" + (curIdx + i + 1));
addlist.add(info);
}
m_service.addPartitions(ctx, addlist);
m_service.dropPartitions(ctx, addlist);
}
private Properties getProducerProperties(String topic) {
Properties configs = KafkaProperties.getDefaultKafkaProducerProperties();
try {
Properties envProperties = m_environment.getProducerConfig(topic);
configs.putAll(envProperties);
} catch (IOException e) {
m_logger.warn("read producer config failed", e);
}
List<Partition> partitions = m_metaService.listPartitionsByTopic(topic);
if (partitions == null || partitions.size() < 1) {
return configs;
}
String producerDatasource = partitions.get(0).getWriteDatasource();
Storage producerStorage = m_metaService.findStorageByTopic(topic);
if (producerStorage == null) {
return configs;
}
for (Datasource datasource : producerStorage.getDatasources()) {
if (producerDatasource.equals(datasource.getId())) {
Map<String, Property> properties = datasource.getProperties();
for (Map.Entry<String, Property> prop : properties.entrySet()) {
configs.put(prop.getValue().getName(), prop.getValue().getValue());
}
break;
}
}
return KafkaProperties.overrideByCtripDefaultProducerSetting(configs);
}