net.sf.farrago.query
Class FarragoExecutableStmtImpl

java.lang.Object
  org.eigenbase.util.CompoundClosableAllocation
      net.sf.farrago.util.FarragoCompoundAllocation
          net.sf.farrago.query.FarragoExecutableStmtImpl

All Implemented Interfaces:

FarragoSessionExecutableStmt, FarragoAllocation, FarragoAllocationOwner, ClosableAllocation, ClosableAllocationOwner

Direct Known Subclasses:

FarragoExecutableExplainStmt, FarragoExecutableFennelStmt

abstract class FarragoExecutableStmtImpl
extends FarragoCompoundAllocation
implements FarragoSessionExecutableStmt

FarragoExecutableStmtImpl is an abstract base for implementations of FarragoSessionExecutableStmt.

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/query/FarragoExecutableStmtImpl.java#20 $

Author:

John V. Sichi

Field Summary

private RelDataType	dynamicParamRowType
private boolean	isDml
private TableAccessMap	tableAccessMap
private TableModificationRelBase.Operation	tableModOp
protected static Logger	tracer

Fields inherited from class org.eigenbase.util.CompoundClosableAllocation

allocations

Constructor Summary

protected

FarragoExecutableStmtImpl(RelDataType dynamicParamRowType, boolean isDml, TableModificationRelBase.Operation tableModOp, TableAccessMap tableAccessMap)

Method Summary

RelDataType	getDynamicParamRowType()
Map<String,RelDataType>	getIterCalcTypeMap() Map from IterCalcRel tag to row type.
Set<String>	getReferencedObjectIds()
String	getReferencedObjectModTime(String mofid)
Map<String,RelDataType>	getResultSetTypeMap() Map from result set name to row type.
TableAccessMap	getTableAccessMap()
TableModificationRelBase.Operation	getTableModOp()
boolean	isDml()

Methods inherited from class org.eigenbase.util.CompoundClosableAllocation

addAllocation, closeAllocation, forgetAllocation, hasAllocations

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.sf.farrago.session.FarragoSessionExecutableStmt

execute, getMemoryUsage, getRowType

Methods inherited from interface org.eigenbase.util.ClosableAllocationOwner

addAllocation

Methods inherited from interface org.eigenbase.util.ClosableAllocation

closeAllocation

Methods inherited from interface org.eigenbase.util.ClosableAllocation

closeAllocation

Field Detail

tracer

protected static final Logger tracer

isDml

private final boolean isDml

tableModOp

private final TableModificationRelBase.Operation tableModOp

dynamicParamRowType

private final RelDataType dynamicParamRowType

tableAccessMap

private final TableAccessMap tableAccessMap

Constructor Detail

FarragoExecutableStmtImpl

protected FarragoExecutableStmtImpl(RelDataType dynamicParamRowType,
                                    boolean isDml,
                                    TableModificationRelBase.Operation tableModOp,
                                    TableAccessMap tableAccessMap)

Method Detail

isDml

public boolean isDml()

Specified by:

isDml in interface FarragoSessionExecutableStmt

Returns:

true if this statement is DML; false if a query

getTableModOp

public TableModificationRelBase.Operation getTableModOp()

Specified by:

getTableModOp in interface FarragoSessionExecutableStmt

Returns:

the table modification operation type if this is a table modification statement; otherwise null

getDynamicParamRowType

public RelDataType getDynamicParamRowType()

Specified by:

getDynamicParamRowType in interface FarragoSessionExecutableStmt

Returns:

type descriptor for row of dynamic parameters expected by this stmt

getReferencedObjectIds

public Set<String> getReferencedObjectIds()

Specified by:

getReferencedObjectIds in interface FarragoSessionExecutableStmt

Returns:

Set of MOFID's of objects accessed when this stmt is executed

getReferencedObjectModTime

public String getReferencedObjectModTime(String mofid)

Specified by:

getReferencedObjectModTime in interface FarragoSessionExecutableStmt

Returns:

the modification time of an object accessed by this statement, or null if the modification time is not available

getTableAccessMap

public TableAccessMap getTableAccessMap()

Specified by:

getTableAccessMap in interface FarragoSessionExecutableStmt

Returns:

map of access modes for all tables referenced

getResultSetTypeMap

public Map<String,RelDataType> getResultSetTypeMap()

Description copied from interface: FarragoSessionExecutableStmt

Map from result set name to row type.

Specified by:

getResultSetTypeMap in interface FarragoSessionExecutableStmt

getIterCalcTypeMap

public Map<String,RelDataType> getIterCalcTypeMap()

Description copied from interface: FarragoSessionExecutableStmt

Map from IterCalcRel tag to row type.

Specified by:

getIterCalcTypeMap in interface FarragoSessionExecutableStmt