本文整理了Java中org.janusgraph.diskstorage.keycolumnvalue.KeySliceQuery.getSliceStart()
方法的一些代码示例,展示了KeySliceQuery.getSliceStart()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。KeySliceQuery.getSliceStart()
方法的具体详情如下:
包路径:org.janusgraph.diskstorage.keycolumnvalue.KeySliceQuery
类名称:KeySliceQuery
方法名:getSliceStart
暂无
代码示例来源:origin: JanusGraph/janusgraph
@Override
public String toString() {
return String.format("KeySliceQuery(key: %s, start: %s, end: %s, limit:%d)", key, getSliceStart(), getSliceEnd(), getLimit());
}
}
代码示例来源:origin: JanusGraph/janusgraph
final KVQuery convertQuery(final KeySliceQuery query) {
Predicate<StaticBuffer> filter = Predicates.alwaysTrue();
if (!hasFixedKeyLength()) {
filter = keyAndColumn -> equalKey(keyAndColumn, query.getKey());
}
return new KVQuery(
concatenatePrefix(query.getKey(), query.getSliceStart()),
concatenatePrefix(query.getKey(), query.getSliceEnd()),
filter,query.getLimit());
}
代码示例来源:origin: JanusGraph/janusgraph
EntryList getSlice(KeySliceQuery query, StoreTransaction txh) {
Lock lock = getLock(txh);
lock.lock();
try {
Data datacp = data;
int start = datacp.getIndex(query.getSliceStart());
if (start < 0) start = (-start - 1);
int end = datacp.getIndex(query.getSliceEnd());
if (end < 0) end = (-end - 1);
if (start < end) {
MemoryEntryList result = new MemoryEntryList(end - start);
for (int i = start; i < end; i++) {
if (query.hasLimit() && result.size() >= query.getLimit()) break;
result.add(datacp.get(i));
}
return result;
} else {
return EntryList.EMPTY_LIST;
}
} finally {
lock.unlock();
}
}
代码示例来源:origin: awslabs/dynamodb-janusgraph-storage-backend
protected String encodeForLog(final KeySliceQuery query) {
return "keyslice[hk:" + encodeKeyForLog(query.getKey()) + " " + "rk:" + encodeKeyForLog(query.getSliceStart()) + " -> " + encodeKeyForLog(query.getSliceEnd()) + " limit:"
+ query.getLimit() + "]";
}
代码示例来源:origin: awslabs/dynamodb-janusgraph-storage-backend
@Override
public EntryList getSlice(final KeySliceQuery query, final StoreTransaction txh) throws BackendException {
log.debug("Entering getSliceKeySliceQuery table:{} query:{} txh:{}", getTableName(), encodeForLog(query), txh);
final GetItemRequest request = super.createGetItemRequest().withKey(new ItemBuilder().hashKey(query.getKey()).build());
final GetItemResult result = new ExponentialBackoff.GetItem(request, client.getDelegate()).runWithBackoff();
final List<Entry> filteredEntries = extractEntriesFromGetItemResult(result, query.getSliceStart(), query.getSliceEnd(), query.getLimit());
log.debug("Exiting getSliceKeySliceQuery table:{} query:{} txh:{} returning:{}", getTableName(), encodeForLog(query), txh,
filteredEntries.size());
return StaticArrayEntryList.of(filteredEntries);
}
代码示例来源:origin: org.janusgraph/janusgraph-cql
@Override
public EntryList getSlice(final KeySliceQuery query, final StoreTransaction txh) throws BackendException {
final Future<EntryList> result = Future.fromJavaFuture(
this.executorService,
this.session.executeAsync(this.getSlice.bind()
.setBytes(KEY_BINDING, query.getKey().asByteBuffer())
.setBytes(SLICE_START_BINDING, query.getSliceStart().asByteBuffer())
.setBytes(SLICE_END_BINDING, query.getSliceEnd().asByteBuffer())
.setInt(LIMIT_BINDING, query.getLimit())
.setConsistencyLevel(getTransaction(txh).getReadConsistencyLevel())))
.map(resultSet -> fromResultSet(resultSet, this.getter));
interruptibleWait(result);
return result.getValue().get().getOrElseThrow(EXCEPTION_MAPPER);
}
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