org.apache.flink.runtime.state.restore

接口 ThrowingIterator<E>

类型参数:

E - the type of elements returned by this iterator

所有超级接口:

AutoCloseable, Closeable

@Internal
public interface ThrowingIterator<E>
extends Closeable

Modified Iterator interface that lets the implementation throw an IOException.

另请参阅:

Iterator

方法概要

限定符和类型	方法和说明
boolean	hasNext() Returns true if the iteration has more elements.
E	next() Returns the next element in the iteration.

从接口继承的方法 java.io.Closeable

close

方法详细资料

hasNext

boolean hasNext()

Returns true if the iteration has more elements. (In other words, returns true if next() would return an element rather than throwing an exception.)

返回:

true if the iteration has more elements

next

E next()
throws IOException,
       org.apache.flink.util.StateMigrationException

Returns the next element in the iteration.

返回:

the next element in the iteration

抛出:

NoSuchElementException - if the iteration has no more elements

IOException

org.apache.flink.util.StateMigrationException