public void run() {
try {
Process(this.userId); // process each user
} catch (Exception e) {
e.printStackTrace();
Clogging.Warn("Process::run exception userid:" + this.userId);
} finally {
this.userId = null;
}
}
/**
* process each person
*
* @param userId
*/
private void Process(int userId) {
Long startTime = System.currentTimeMillis();
Strategy strategy =
new GeneralStrategy(); // use general strategy for total users, including recommendation of
// content
List<Category> categoryList = strategy.getStrategy(userId);
List<DataBuilder> builderList =
new ArrayList<DataBuilder>(); // builderList for creating data by different type
for (Category each : categoryList) {
DataBuilder builder = BuilderFactory.createBuilder(each.getType());
builderList.add(builder);
}
if (categoryList.size() != builderList.size()) {
Clogging.Error("[Process] size of categoryList is not as same as size of builderList!!");
return;
}
BlockFetcher blockFetcher =
new SgBlockFetcher(); // fetch block list from socialgraph block table
List<Long> blockList =
blockFetcher.getBlockList(userId); // fetch block list from specific fetcher
Set<Long> filterSet = new HashSet<Long>();
filterSet.addAll(blockList);
Items.Builder result = Items.newBuilder();
int typeSize = 0; // number of each type, changing according to size of pre-type
for (int i = 0; i < categoryList.size(); ++i) {
typeSize += categoryList.get(i).getNum(); // get size of current type
if (null == builderList.get(i)
|| categoryList.get(i).getType() != builderList.get(i).getBuilderType()) {
continue;
}
int realTypeSize = 0;
List<DataItem> dataList = builderList.get(i).getData(userId); // create data
for (DataItem it : dataList) { // combine data of the type
if (filterSet.contains(it.getId())) {
continue;
} else {
if (realTypeSize < typeSize) {
filterSet.add(it.getId());
result.addItems(it.getItem());
++realTypeSize;
} else {
break;
}
}
}
typeSize = typeSize - realTypeSize; // left remnant to next type
dataList = null; // clean
}
byte[] resultData = result.build().toByteArray();
boolean insert = false;
if (null != resultData && resultData.length != 0) {
insert = BusinessCacheAdapter.getInstance().set(PUK, userId, resultData);
}
Long endTime = System.currentTimeMillis();
if (insert) {
Clogging.Debug(
"userId:"
+ userId
+ " Success resultData size:"
+ resultData.length
+ " cost_time:"
+ (endTime - startTime)
+ "ms");
} else {
Clogging.Debug(
"userId:"
+ userId
+ " Fail resultData size:"
+ resultData.length
+ " cost_time:"
+ (endTime - startTime)
+ "ms");
}
result = null; // clean
resultData = null;
strategy = null;
categoryList = null;
builderList = null;
blockFetcher = null;
filterSet = null;
blockList = null;
}
