Flink CEP中的greedy到底该如何理解
Pattern.<Event>begin("start").where(new SimpleCondition<Event>() {
@Override
public boolean filter(Event value) throws Exception {
return value.user.startwith("a");
}
}).oneOrMore()
.followedBy("middle").where(new SimpleCondition<Event>() {
@Override
public boolean filter(Event value) throws Exception {
return value.user.equals("b");
}
});