org.apache.flink.state.api.functions

类 StateBootstrapFunction<IN>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.state.api.functions.StateBootstrapFunction<IN>

类型参数:

IN - The type of the input.

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, org.apache.flink.streaming.api.checkpoint.CheckpointedFunction

@PublicEvolving
public abstract class StateBootstrapFunction<IN>
extends org.apache.flink.api.common.functions.AbstractRichFunction
implements org.apache.flink.streaming.api.checkpoint.CheckpointedFunction

Interface for writing elements to operator state.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static interface	StateBootstrapFunction.Context Context that StateBootstrapFunction's can use for getting additional data about an input record.

构造器概要

构造器

构造器和说明
StateBootstrapFunction()

方法概要

限定符和类型	方法和说明
abstract void	processElement(IN value, StateBootstrapFunction.Context ctx) Writes the given value to operator state.

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.streaming.api.checkpoint.CheckpointedFunction

initializeState, snapshotState

构造器详细资料

StateBootstrapFunction

public StateBootstrapFunction()

方法详细资料

processElement

public abstract void processElement(IN value,
                                    StateBootstrapFunction.Context ctx)
                             throws Exception

Writes the given value to operator state. This function is called for every record.

参数:

value - The input record.

抛出:

Exception - This method may throw exceptions. Throwing an exception will cause the operation to fail and may trigger recovery.