Package org.teiid.dqp.internal.process

Class Request

java.lang.Object

org.teiid.dqp.internal.process.Request

Direct Known Subclasses:

PreparedStatementRequest

public class Request
extends Object

Server side representation of the RequestMessage. Knows how to process itself.

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	addedLimit
protected AnalysisRecord	analysisRecord
protected CapabilitiesFinder	capabilitiesFinder
protected ConnectorManagerRepository	connectorManagerRepo
protected CommandContext	context
protected ExplainCommand	explainCommand
protected IDGenerator	idGenerator
protected QueryMetadataInterface	metadata
protected Options	options
protected PreParser	preParser
protected QueryProcessor	processor
protected ProcessorPlan	processPlan
protected RequestMessage	requestMsg
protected boolean	returnsUpdateCount
protected TransactionContext	transactionContext
protected Command	userCommand

Constructor Summary

Constructors

Constructor	Description
Request()

Method Summary

Modifier and Type	Method	Description
protected void	checkReferences(List<Reference> references)
protected void	createCommandContext()
static ParseInfo	createParseInfo(RequestMessage requestMsg, SessionMetadata sessionMetadata)
protected void	generatePlan(boolean prepared)	state side effects: creates the analysis record creates the command context sets the pre-rewrite command on the request adds a limit clause if the row limit is specified sets the processor plan
protected void	initMetadata()	if the metadata has not been supplied via setMetadata, this method will create the appropriate state
boolean	isReturingParams()
void	processRequest()
protected void	resolveCommand(Command command)
void	setAuthorizationValidator(AuthorizationValidator authorizationValidator)
void	setExecutor(Executor executor)
void	setOptions(Options options)
void	setPreParser(PreParser preParser)
void	setResultSetCacheEnabled(boolean resultSetCacheEnabled)
void	setUserRequestConcurrency(int userRequestConcurrency)
protected boolean	validateAccess(String[] commandStr, Command command, AuthorizationValidator.CommandType type)
static void	validateWithVisitor(AbstractValidationVisitor visitor, QueryMetadataInterface metadata, Command command)

Methods inherited from class java.lang.Object

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

Field Detail

requestMsg

protected RequestMessage requestMsg

idGenerator

protected IDGenerator idGenerator

capabilitiesFinder

protected CapabilitiesFinder capabilitiesFinder

metadata

protected QueryMetadataInterface metadata

addedLimit

protected boolean addedLimit

processPlan

protected ProcessorPlan processPlan

analysisRecord

protected AnalysisRecord analysisRecord

context

protected CommandContext context

processor

protected QueryProcessor processor

transactionContext

protected TransactionContext transactionContext

connectorManagerRepo

protected ConnectorManagerRepository connectorManagerRepo

userCommand

protected Command userCommand

explainCommand

protected ExplainCommand explainCommand

returnsUpdateCount

protected boolean returnsUpdateCount

options

protected Options options

preParser

protected PreParser preParser

Constructor Detail

Request

public Request()

Method Detail

setOptions

public void setOptions(Options options)

setResultSetCacheEnabled

public void setResultSetCacheEnabled(boolean resultSetCacheEnabled)

setAuthorizationValidator

public void setAuthorizationValidator(AuthorizationValidator authorizationValidator)

initMetadata

protected void initMetadata()
                     throws TeiidComponentException

if the metadata has not been supplied via setMetadata, this method will create the appropriate state

Throws:

TeiidComponentException

createCommandContext

protected void createCommandContext()

setUserRequestConcurrency

public void setUserRequestConcurrency(int userRequestConcurrency)

checkReferences

protected void checkReferences(List<Reference> references)
                        throws QueryValidatorException

Throws:

QueryValidatorException

resolveCommand

protected void resolveCommand(Command command)
                       throws QueryResolverException,
                              TeiidComponentException

Throws:

QueryResolverException

TeiidComponentException

createParseInfo

public static ParseInfo createParseInfo(RequestMessage requestMsg,
                                        SessionMetadata sessionMetadata)

validateWithVisitor

public static void validateWithVisitor(AbstractValidationVisitor visitor,
                                       QueryMetadataInterface metadata,
                                       Command command)
                                throws QueryValidatorException,
                                       TeiidComponentException

Throws:

QueryValidatorException

TeiidComponentException

generatePlan

protected void generatePlan(boolean prepared)
                     throws TeiidComponentException,
                            TeiidProcessingException

state side effects: creates the analysis record creates the command context sets the pre-rewrite command on the request adds a limit clause if the row limit is specified sets the processor plan

Throws:

TeiidComponentException

TeiidProcessingException

processRequest

public void processRequest()
                    throws TeiidComponentException,
                           TeiidProcessingException

Throws:

TeiidComponentException

TeiidProcessingException

validateAccess

protected boolean validateAccess(String[] commandStr,
                                 Command command,
                                 AuthorizationValidator.CommandType type)
                          throws QueryValidatorException,
                                 TeiidComponentException

Throws:

QueryValidatorException

TeiidComponentException

setExecutor

public void setExecutor(Executor executor)

isReturingParams

public boolean isReturingParams()

setPreParser

public void setPreParser(PreParser preParser)