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java.lang.Object com.metamatrix.query.processor.BaseProcessorPlan com.metamatrix.query.processor.relational.RelationalPlan
public class RelationalPlan
Field Summary |
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Constructor Summary | |
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RelationalPlan(RelationalNode node)
Constructor for RelationalPlan. |
Method Summary | |
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java.lang.Object |
clone()
Return a safe clone of the ProcessorPlan. |
void |
close()
Close the plan after processing. |
java.util.Collection |
getChildPlans()
Finds all nested plans and returns them. |
java.util.Map |
getDescriptionProperties()
Get a description as a set of properties of primitive types such as String, Integer, etc. |
java.util.List |
getOutputElements()
Get list of resolved elements describing output columns for this plan. |
RelationalNode |
getRootNode()
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void |
initialize(CommandContext context,
ProcessorDataManager dataMgr,
BufferManager bufferMgr)
Initialize the plan with some required pieces of data for making queries. |
TupleBatch |
nextBatch()
Get a batch of results or possibly an Exception. |
void |
open()
Open the plan for processing. |
void |
reset()
Reset a plan so that it can be processed again. |
void |
setOutputElements(java.util.List outputCols)
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void |
setRootNode(RelationalNode root)
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java.lang.String |
toString()
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Methods inherited from class com.metamatrix.query.processor.BaseProcessorPlan |
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addWarning, getAndClearWarnings, getContext, setContext |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public RelationalPlan(RelationalNode node)
Method Detail |
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public RelationalNode getRootNode()
public void setRootNode(RelationalNode root)
public void initialize(CommandContext context, ProcessorDataManager dataMgr, BufferManager bufferMgr)
ProcessorPlan
context
- Process execution contextdataMgr
- Data manager referencebufferMgr
- Buffer manager referenceProcessorPlan#connectDataManager(ProcessorDataManager)
public java.util.List getOutputElements()
public void open() throws MetaMatrixComponentException, MetaMatrixProcessingException
ProcessorPlan
MetaMatrixComponentException
MetaMatrixProcessingException
public TupleBatch nextBatch() throws BlockedException, MetaMatrixComponentException, MetaMatrixProcessingException
ProcessorPlan
BlockedException
- indicating next batch is not available yet
MetaMatrixComponentException
- for non-business rule exception
MetaMatrixProcessingException
- for business rule exception, related
to user input or modelingProcessorPlan.nextBatch()
public void close() throws MetaMatrixComponentException
ProcessorPlan
MetaMatrixComponentException
public void reset()
ProcessorPlan
reset
in interface ProcessorPlan
reset
in class BaseProcessorPlan
ProcessorPlan.reset()
public java.lang.String toString()
toString
in class java.lang.Object
public java.lang.Object clone()
ProcessorPlan
opened
or after it is closed
.
clone
in interface ProcessorPlan
clone
in class BaseProcessorPlan
public java.util.Collection getChildPlans()
ProcessorPlan
ProcessorPlan.getChildPlans()
public java.util.Map getDescriptionProperties()
Describable
public void setOutputElements(java.util.List outputCols)
outputCols
- The outputCols to set.
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