HBase过滤器继承咨询
我需要一个有点像 TimestampsFilter 的过滤器，只不过它需要一个时间帧并在该帧内应用带有时间戳的每一行。 这是我的实现：
public class TimeFilter extends TimestampsFilter {
private long from;
private long to;
public TimeFilter(long from, long to) {
this.from = from;
this.to = to;
}
@Override
public ReturnCode filterKeyValue(KeyValue v) {
long timestamp = v.getTimestamp();
if (from <= timestamp && to >= timestamp) {
return ReturnCode.INCLUDE;
}
return ReturnCode.SKIP;
}
}
这个实现足够好吗？ 我找不到适合我需要的现有过滤器。 有什么意见吗？
I need a filter which is a bit like TimestampsFilter except that it takes a time frame and applies every row with timestamp within this frame.
This is my implementation:
public class TimeFilter extends TimestampsFilter {
private long from;
private long to;
public TimeFilter(long from, long to) {
this.from = from;
this.to = to;
}
@Override
public ReturnCode filterKeyValue(KeyValue v) {
long timestamp = v.getTimestamp();
if (from <= timestamp && to >= timestamp) {
return ReturnCode.INCLUDE;
}
return ReturnCode.SKIP;
}
}
Is this implementation good enough?
I couldn't find an existing filter that suites my need.
Any input?
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你不能使用
Can't you use a setTimeRange on the Scan?