com.metamatrix.query.sql.lang
Class BatchedUpdateCommand

java.lang.Object
  com.metamatrix.query.sql.lang.Command
      com.metamatrix.query.sql.lang.BatchedUpdateCommand

All Implemented Interfaces:

CommandContainer, LanguageObject, java.io.Serializable, java.lang.Cloneable

public class BatchedUpdateCommand
extends Command
implements CommandContainer

Represents a batch of INSERT, UPDATE, DELETE, and SELECT INTO commands

Since:

4.2

See Also:

Serialized Form

Field Summary

protected java.util.List

commands

Fields inherited from class com.metamatrix.query.sql.lang.Command

tempGroupIDs, TYPE_BATCHED_UPDATE, TYPE_CREATE, TYPE_DELETE, TYPE_DROP, TYPE_DYNAMIC, TYPE_INSERT, TYPE_QUERY, TYPE_SQL, TYPE_STORED_PROCEDURE, TYPE_UNKNOWN, TYPE_UPDATE, TYPE_UPDATE_PROCEDURE, TYPE_XQUERY

Constructor Summary

BatchedUpdateCommand(java.util.List updateCommands)

Method Summary

void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
void	addSubCommand(Command command) Add sub command
void	addSubCommands(java.util.Collection commands) Add sub commands
boolean	areResultsCachable() Whether the results are cachable.
java.lang.Object	clone() Implement clone to make objects cloneable.
java.util.List	getContainedCommands()
java.util.List	getProjectedSymbols() Get the ordered list of all elements returned by this query.
java.util.List	getSubCommands() Gets the subCommands (both embedded and non-embedded) under this command.
int	getType() Return type of command to make it easier to build switch statements by command type.
java.util.List	getUpdateCommands() Gets the List of updates contained in this batch
java.lang.String	toString() Returns a string representation of an instance of this class.
int	updatingModelCount(QueryMetadataInterface metadata) Return the number of updates on physical sources by this command.

Methods inherited from class com.metamatrix.query.sql.lang.Command

addExternalGroupsToContext, addExternalGroupToContext, copyMetadataState, getAllExternalGroups, getCorrelatedReferences, getExternalGroupContexts, getOption, getProcessorPlan, getSubCommandsUpdatingModelCount, getSubCommandsUpdatingModelCount, getTemporaryMetadata, getUpdateCommandSymbol, getVirtualGroup, isResolved, printCommandTree, printCommandTree, pushNewResolvingContext, setCorrelatedReferences, setExternalGroupContexts, setIsResolved, setOption, setProcessorPlan, setTemporaryMetadata, setVirtualGroup

Methods inherited from class java.lang.Object

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

Field Detail

commands

protected java.util.List commands

Constructor Detail

BatchedUpdateCommand

public BatchedUpdateCommand(java.util.List updateCommands)

Parameters:

updateCommands -

Since:

4.2

Method Detail

addSubCommand

public void addSubCommand(Command command)

Add sub command

Parameters:

command - Additional sub-command

addSubCommands

public void addSubCommands(java.util.Collection commands)

Add sub commands

Parameters:

commands - Additional sub-commands

getSubCommands

public java.util.List getSubCommands()

Description copied from class: Command

Gets the subCommands (both embedded and non-embedded) under this command. In general the returned list is not safe to manipulate (see @link#CommandContainer insead)

Overrides:

getSubCommands in class Command

Returns:

See Also:

Command.getSubCommands()

getUpdateCommands

public java.util.List getUpdateCommands()

Gets the List of updates contained in this batch

Returns:

Since:

4.2

getType

public int getType()

Description copied from class: Command

Return type of command to make it easier to build switch statements by command type.

Specified by:

getType in class Command

Returns:

Type from TYPE constants

Since:

4.2

See Also:

Command.getType()

getProjectedSymbols

public java.util.List getProjectedSymbols()

Description copied from class: Command

Get the ordered list of all elements returned by this query. These elements may be ElementSymbols or ExpressionSymbols but in all cases each represents a single column.

Specified by:

getProjectedSymbols in class Command

Returns:

Ordered list of SingleElementSymbol

Since:

4.2

See Also:

Command.getProjectedSymbols()

updatingModelCount

public int updatingModelCount(QueryMetadataInterface metadata)
                       throws MetaMatrixComponentException

Description copied from class: Command

Return the number of updates on physical sources by this command.

Specified by:

updatingModelCount in class Command

Parameters:

metadata - QueryMetadataInterface

Returns:

The number of updates on physical sources by this command.

Throws:

MetaMatrixComponentException

acceptVisitor

public void acceptVisitor(LanguageVisitor visitor)

Description copied from interface: LanguageObject

Method for accepting a visitor. It is the responsibility of the language object to call back on the visitor.

Specified by:

acceptVisitor in interface LanguageObject

Parameters:

visitor - Visitor being used

Since:

4.2

clone

public java.lang.Object clone()

Description copied from interface: LanguageObject

Implement clone to make objects cloneable.

Specified by:

clone in interface LanguageObject

Specified by:

clone in class Command

Returns:

Deep clone of this object

Since:

4.2

See Also:

Object.clone()

areResultsCachable

public boolean areResultsCachable()

Description copied from class: Command

Whether the results are cachable.

Specified by:

areResultsCachable in class Command

Returns:

True if the results are cachable; false otherwise.

See Also:

Command.areResultsCachable()

toString

public java.lang.String toString()

Description copied from class: Command

Returns a string representation of an instance of this class.

Overrides:

toString in class Command

Returns:

String representation of object

getContainedCommands

public java.util.List getContainedCommands()

Specified by:

getContainedCommands in interface CommandContainer

See Also:

CommandContainer.getContainedCommands()