org.teiid.query.processor
Interface BatchCollector.BatchProducer

All Known Implementing Classes:

AccessNode, BatchedUpdateNode, BatchedUpdatePlan, DependentAccessNode, DependentProcedureAccessNode, DependentProcedureExecutionNode, GroupingNode, InsertPlanExecutionNode, JoinNode, LimitNode, NullNode, PlanExecutionNode, ProcedurePlan, ProcessorPlan, ProjectIntoNode, ProjectNode, QueryProcessor, RelationalNode, RelationalPlan, SelectNode, SortNode, SubqueryAwareRelationalNode, TextTableNode, UnionAllNode, XMLPlan, XMLTableNode

Enclosing class:

BatchCollector

public static interface BatchCollector.BatchProducer

Method Summary

java.util.List	getOutputElements() Get list of resolved elements describing output columns for this plan.
TupleBatch	nextBatch() Get a batch of results or possibly an Exception.

Method Detail

nextBatch

TupleBatch nextBatch()
                     throws BlockedException,
                            TeiidComponentException,
                            TeiidProcessingException

Get a batch of results or possibly an Exception.

Returns:

Batch of results

Throws:

BlockedException - indicating next batch is not available yet

TeiidComponentException - for non-business rule exception

TeiidProcessingException - for business rule exception, related to user input or modeling

getOutputElements

java.util.List getOutputElements()

Get list of resolved elements describing output columns for this plan.

Returns:

List of SingleElementSymbol