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public interface FlowElement
Interface FlowElement is a utility interface used internally to simplify DAG management. It is not intended for users to interact with these methods directly.
Method Summary | |
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ConfigDef |
getConfigDef()
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ConfigDef |
getStepConfigDef()
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boolean |
hasConfigDef()
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boolean |
hasStepConfigDef()
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boolean |
isEquivalentTo(FlowElement element)
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cascading.flow.planner.Scope |
outgoingScopeFor(Set<cascading.flow.planner.Scope> incomingScopes)
Method outgoingScopeFor returns the Scope this FlowElement hands off to the next FlowElement. |
Fields |
resolveFields(cascading.flow.planner.Scope scope)
Method resolveFields returns the actual field names represented by the given Scope. |
Fields |
resolveIncomingOperationFields(cascading.flow.planner.Scope incomingScope)
Method resolveIncomingOperationFields resolves the incoming scopes to the actual incoming operation field names. |
Method Detail |
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cascading.flow.planner.Scope outgoingScopeFor(Set<cascading.flow.planner.Scope> incomingScopes)
incomingScopes
- of type SetFields resolveIncomingOperationFields(cascading.flow.planner.Scope incomingScope)
incomingScope
- of type Scope
Fields resolveFields(cascading.flow.planner.Scope scope)
scope
- of type Scope
boolean isEquivalentTo(FlowElement element)
ConfigDef getStepConfigDef()
boolean hasStepConfigDef()
ConfigDef getConfigDef()
boolean hasConfigDef()
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