public abstract class WrappedIterator<R> extends Object implements Iterator<R>, AutoCloseable, Metadatable
| 构造器和说明 |
|---|
WrappedIterator() |
| 限定符和类型 | 方法和说明 |
|---|---|
void |
close() |
protected abstract boolean |
fetch() |
boolean |
hasNext() |
Object |
metadata(String meta,
Object... args) |
R |
next() |
protected static <R> R |
none() |
protected abstract Iterator<?> |
originIterator() |
void |
remove() |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitforEachRemainingprotected R current
public void close()
throws Exception
close 在接口中 AutoCloseableExceptionpublic Object metadata(String meta, Object... args)
metadata 在接口中 Metadatableprotected static final <R> R none()
protected abstract Iterator<?> originIterator()
protected abstract boolean fetch()
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