com.metamatrix.query.resolver
Class ProcedureContainerResolver

java.lang.Object
  com.metamatrix.query.resolver.ProcedureContainerResolver

All Implemented Interfaces:

CommandResolver

Direct Known Subclasses:

DeleteResolver, ExecResolver, InsertResolver, UpdateResolver

public abstract class ProcedureContainerResolver
extends java.lang.Object
implements CommandResolver

Constructor Summary

ProcedureContainerResolver()

Method Summary

static GroupSymbol	addScalarGroup(java.lang.String name, TempMetadataStore metadata, GroupContext externalGroups, java.util.List symbols)
void	expandCommand(Command command, QueryMetadataInterface metadata, AnalysisRecord analysis) Expand a command by finding and attaching all subcommands to the command.
GroupContext	findChildCommandMetadata(Command command, TempMetadataStore discoveredMetadata, boolean useMetadataCommands, QueryMetadataInterface metadata) Find all metadata defined by this command for it's children.
protected abstract java.lang.String	getPlan(QueryMetadataInterface metadata, GroupSymbol group) For a given resolver, this returns the unparsed command.
void	resolveCommand(Command command, boolean useMetadataCommands, TempMetadataAdapter metadata, AnalysisRecord analysis, boolean resolveNullLiterals) Resolve the command using the metadata.
protected void	resolveGroup(TempMetadataAdapter metadata, ProcedureContainer procCommand)
abstract void	resolveProceduralCommand(Command command, boolean useMetadataCommands, TempMetadataAdapter metadata, AnalysisRecord analysis)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcedureContainerResolver

public ProcedureContainerResolver()

Method Detail

resolveProceduralCommand

public abstract void resolveProceduralCommand(Command command,
                                              boolean useMetadataCommands,
                                              TempMetadataAdapter metadata,
                                              AnalysisRecord analysis)
                                       throws QueryMetadataException,
                                              QueryResolverException,
                                              MetaMatrixComponentException

Throws:

QueryMetadataException

QueryResolverException

MetaMatrixComponentException

expandCommand

public void expandCommand(Command command,
                          QueryMetadataInterface metadata,
                          AnalysisRecord analysis)
                   throws QueryMetadataException,
                          QueryResolverException,
                          MetaMatrixComponentException

Expand a command by finding and attaching all subcommands to the command. If some initial resolution must be done for this to be accomplished, that is ok, but it should be kept to a minimum.

Parameters:

command - The command to expand

useMetadataCommands - True if resolver should use metadata commands to completely resolve

metadata - Metadata access

analysis - The analysis record that will be filled in if doing annotation.

Throws:

QueryMetadataException - If there is a metadata problem

QueryResolverException - If the query cannot be resolved

MetaMatrixComponentException - If there is an internal error

getPlan

protected abstract java.lang.String getPlan(QueryMetadataInterface metadata,
                                            GroupSymbol group)
                                     throws MetaMatrixComponentException,
                                            QueryMetadataException

For a given resolver, this returns the unparsed command.

Parameters:

metadata -

group -

Returns:

Throws:

MetaMatrixComponentException

QueryMetadataException

findChildCommandMetadata

public GroupContext findChildCommandMetadata(Command command,
                                             TempMetadataStore discoveredMetadata,
                                             boolean useMetadataCommands,
                                             QueryMetadataInterface metadata)
                                      throws QueryMetadataException,
                                             QueryResolverException,
                                             MetaMatrixComponentException

Find all metadata defined by this command for it's children. This metadata should be collected in the childMetadata object. Typical uses of this are for stored queries that define parameter variables valid in subcommands. only used for inserts, updates, and deletes

Parameters:

command - The command to find metadata on

childMetadata - The store to collect child metadata in

useMetadataCommands - True if resolver should use metadata commands to completely resolve

metadata - Metadata access

Throws:

QueryMetadataException - If there is a metadata problem

QueryResolverException - If the query cannot be resolved

MetaMatrixComponentException - If there is an internal error

resolveCommand

public void resolveCommand(Command command,
                           boolean useMetadataCommands,
                           TempMetadataAdapter metadata,
                           AnalysisRecord analysis,
                           boolean resolveNullLiterals)
                    throws QueryMetadataException,
                           QueryResolverException,
                           MetaMatrixComponentException

Description copied from interface: CommandResolver

Resolve the command using the metadata.

Specified by:

resolveCommand in interface CommandResolver

Parameters:

command - The command to resolve

useMetadataCommands - true if the resolver should use metadata commands to completely resolve

metadata - Metadata

resolveNullLiterals - true if the resolver should consider replacing null literals with more appropriate types

Throws:

QueryMetadataException - If there is a metadata problem

QueryResolverException - If the query cannot be resolved

MetaMatrixComponentException - If there is an internal error

See Also:

CommandResolver.resolveCommand(com.metamatrix.query.sql.lang.Command, boolean, com.metamatrix.query.metadata.TempMetadataAdapter, com.metamatrix.query.analysis.AnalysisRecord, boolean)

resolveGroup

protected void resolveGroup(TempMetadataAdapter metadata,
                            ProcedureContainer procCommand)
                     throws MetaMatrixComponentException,
                            QueryResolverException

Parameters:

metadata -

procCommand -

Throws:

MetaMatrixComponentException

QueryResolverException

addScalarGroup

public static GroupSymbol addScalarGroup(java.lang.String name,
                                         TempMetadataStore metadata,
                                         GroupContext externalGroups,
                                         java.util.List symbols)