org.teiid.dqp.internal.process
Class Request

java.lang.Object
  org.teiid.dqp.internal.process.Request

All Implemented Interfaces:

SecurityFunctionEvaluator

Direct Known Subclasses:

PreparedStatementRequest

public class Request
extends java.lang.Object
implements SecurityFunctionEvaluator

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

Field Summary

protected boolean	addedLimit
protected AnalysisRecord	analysisRecord
protected CapabilitiesFinder	capabilitiesFinder
protected ConnectorManagerRepository	connectorManagerRepo
protected CommandContext	context
protected IDGenerator	idGenerator
protected QueryMetadataInterface	metadata
protected QueryProcessor	processor
protected ProcessorPlan	processPlan
protected RequestMessage	requestMsg
protected boolean	returnsUpdateCount
protected TransactionContext	transactionContext
protected Command	userCommand

Fields inherited from interface org.teiid.query.eval.SecurityFunctionEvaluator

DATA_ROLE

Constructor Summary

Request()

Method Summary

protected void	checkReferences(java.util.List<Reference> references)
protected void	createCommandContext(Command command)
static ParseInfo	createParseInfo(RequestMessage requestMsg)
protected void	generatePlan() 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
boolean	hasRole(java.lang.String roleType, java.lang.String roleName)
protected void	initMetadata() if the metadata has not been supplied via setMetadata, this method will create the appropriate state
void	processRequest()
protected void	resolveCommand(Command command)
void	setAuthorizationValidator(AuthorizationValidator authorizationValidator)
void	setResultSetCacheEnabled(boolean resultSetCacheEnabled)
void	setUserRequestConcurrency(int userRequestConcurrency)
protected void	validateAccess(Command command)
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

returnsUpdateCount

protected boolean returnsUpdateCount

Constructor Detail

Request

public Request()

Method Detail

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(Command command)
                             throws QueryValidatorException

Throws:

QueryValidatorException

hasRole

public boolean hasRole(java.lang.String roleType,
                       java.lang.String roleName)
                throws TeiidComponentException

Specified by:

hasRole in interface SecurityFunctionEvaluator

Throws:

TeiidComponentException

setUserRequestConcurrency

public void setUserRequestConcurrency(int userRequestConcurrency)

checkReferences

protected void checkReferences(java.util.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)

validateWithVisitor

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

Throws:

QueryValidatorException

TeiidComponentException

generatePlan

protected void generatePlan()
                     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 void validateAccess(Command command)
                       throws QueryValidatorException,
                              TeiidComponentException

Throws:

QueryValidatorException

TeiidComponentException