[FLINK-3371] Move TriggerCotext and TriggerResult to their own classes

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.0
• Component/s: API / DataStream
• Assignee: Stephan Ewen
• Reporter: Stephan Ewen
• Created: 08/Feb/16 16:17
• Updated: 29/Jan/17 14:42
• Resolved: 10/Feb/16 21:43

Description

As part of adding aligned window operators, we need aligned trigger classes.

To make the TriggerResult and TriggerContext accessible to them, they should move to their own classes, from currently being internal classes of Trigger.