Package org.jfree.report.flow
Interface FlowController
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- All Known Implementing Classes:
DefaultFlowController
public interface FlowController
A flow-controller is an immutable object. Whenever an method, that may change the internal state of the controller, is invoked, a new instance of the controller is returned.- Author:
- Thomas Morgner
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description FlowController
activateExpressions(ExpressionSlot[] expressions)
Activates expressions that compute running values.FlowController
createPrecomputeInstance()
FlowController
deactivateExpressions()
ExpressionSlot[]
getActiveExpressions()
Returns the current expression slots of all currently active expressions.java.lang.String
getExportDescriptor()
GlobalMasterRow
getMasterRow()
PrecomputedValueRegistry
getPrecomputedValueRegistry()
ReportContext
getReportContext()
ReportJob
getReportJob()
boolean
isAdvanceRequested()
FlowController
performOperation(FlowControlOperation operation)
FlowController
performQuery(java.lang.String query)
FlowController
performReturnFromQuery()
FlowController
performSubReportQuery(java.lang.String query, ParameterMapping[] inputParameters, ParameterMapping[] outputParameters)
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Method Detail
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performOperation
FlowController performOperation(FlowControlOperation operation) throws DataSourceException
- Throws:
DataSourceException
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getMasterRow
GlobalMasterRow getMasterRow()
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getReportContext
ReportContext getReportContext()
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getExportDescriptor
java.lang.String getExportDescriptor()
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isAdvanceRequested
boolean isAdvanceRequested()
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performQuery
FlowController performQuery(java.lang.String query) throws ReportDataFactoryException, DataSourceException
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performSubReportQuery
FlowController performSubReportQuery(java.lang.String query, ParameterMapping[] inputParameters, ParameterMapping[] outputParameters) throws ReportDataFactoryException, DataSourceException
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activateExpressions
FlowController activateExpressions(ExpressionSlot[] expressions) throws DataSourceException
Activates expressions that compute running values. This does not activate precomputed expressions.- Parameters:
expressions
-- Returns:
- Throws:
DataSourceException
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getActiveExpressions
ExpressionSlot[] getActiveExpressions() throws DataSourceException
Returns the current expression slots of all currently active expressions. (Maybe we should limit the access to the name and value of the expression instead?)- Returns:
- Throws:
DataSourceException
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deactivateExpressions
FlowController deactivateExpressions() throws DataSourceException
- Throws:
DataSourceException
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getReportJob
ReportJob getReportJob()
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performReturnFromQuery
FlowController performReturnFromQuery() throws DataSourceException
- Throws:
DataSourceException
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createPrecomputeInstance
FlowController createPrecomputeInstance() throws DataSourceException
- Throws:
DataSourceException
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getPrecomputedValueRegistry
PrecomputedValueRegistry getPrecomputedValueRegistry()
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