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体验新版 GitCode,发现更多精彩内容 >>
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8fddbf06
编写于
11月 25, 2015
作者:
M
Maximilian Michels
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[docs][streaming] fix code examples which use 'implements'
- replace "implements" with "extends" where applicable
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docs/apis/streaming_guide.md
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docs/apis/streaming_guide.md
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...
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@@ -3098,7 +3098,7 @@ later checkpoints can subsume missing notifications.
For example the same counting, reduce function shown for
`OperatorState`
s by using the
`Checkpointed`
interface instead:
{% highlight java %}
public class CounterSum
implement
s ReduceFunction
<Long>
, Checkpointed
<Long>
{
public class CounterSum
extend
s ReduceFunction
<Long>
, Checkpointed
<Long>
{
// persistent counter
private long counter = 0;
...
...
@@ -3140,7 +3140,7 @@ of different types), the type of the state (used to create efficient serializers
as a value for keys that do not yet have a value associated).
{% highlight java %}
public class CounterSum
implement
s RichReduceFunction
<Long>
{
public class CounterSum
extend
s RichReduceFunction
<Long>
{
/** The state handle */
private OperatorState<Long> counter;
...
...
@@ -3188,7 +3188,7 @@ In order to make the updates to the state and output collection atomic (required
on failure/recovery), the user is required to get a lock from the source's context.
{% highlight java %}
public static class CounterSource
implement
s RichParallelSourceFunction
<Long>
, Checkpointed
<Long>
{
public static class CounterSource
extend
s RichParallelSourceFunction
<Long>
, Checkpointed
<Long>
{
/** current offset for exactly once semantics */
private long offset;
...
...
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