程序包的使用
org.apache.flink.datastream.api.context

使用org.apache.flink.datastream.api.context的程序包

程序包	说明
org.apache.flink.datastream.api.context
org.apache.flink.datastream.api.function

org.apache.flink.datastream.api.context使用的org.apache.flink.datastream.api.context中的类

类和说明
JobInfo JobInfo contains all the meta information of the job.
JobInfo.ExecutionMode Execution mode of this current job.
ProcessingTimeManager This is responsibility for managing runtime information related to processing time of process function.
RuntimeContext A RuntimeContext contains information about the context in which process functions are executed.
StateManager This is responsibility for managing runtime information related to state of process function.
TaskInfo TaskInfo contains all the meta information of the task.

org.apache.flink.datastream.api.function使用的org.apache.flink.datastream.api.context中的类

类和说明
NonPartitionedContext This interface represents the context associated with all operations must be applied to all partitions.
PartitionedContext On the base of RuntimeContext, PartitionedContext also contains all partition-wise execution information, such as getting state, registering timer, etc.
TwoOutputNonPartitionedContext This interface represents the context associated with all operations must be applied to all partitions with two outputs.