com.tangosol.coherence.dslquery.queryplus

Class HelpStatementBuilder

java.lang.Object

com.tangosol.coherence.dslquery.queryplus.AbstractQueryPlusStatementBuilder

com.tangosol.coherence.dslquery.queryplus.HelpStatementBuilder

All Implemented Interfaces:

StatementBuilder<Statement>

public class HelpStatementBuilder
extends AbstractQueryPlusStatementBuilder

A StatementBuilder that builds the QueryPlus "HELP" command.

Since:

Coherence 12.2.1

Author:

jk 2014.01.06

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	HelpStatementBuilder.HelpCommandOPToken A CohQL OPToken representing the QueryPlus "help" command.
class	HelpStatementBuilder.HelpQueryPlusStatement A class representing the QueryPlus "HELP" command.

Nested classes/interfaces inherited from class com.tangosol.coherence.dslquery.queryplus.AbstractQueryPlusStatementBuilder

AbstractQueryPlusStatementBuilder.AbstractOPToken, AbstractQueryPlusStatementBuilder.AbstractStatement

Field Summary

Fields

Modifier and Type	Field and Description
protected HelpStatementBuilder.HelpQueryPlusStatement	f_command A HelpStatementBuilder.HelpQueryPlusStatement instance.

Constructor Summary

Constructors

Constructor and Description
HelpStatementBuilder()

Method Summary

Modifier and Type	Method and Description
String	getDescription() Return a description of the CohQL command suitable for displaying as help text.
String	getSyntax() Return the syntax of the CohQL command.
AbstractQueryPlusStatementBuilder.AbstractOPToken	instantiateOpToken() Return the OPToken for this command.
HelpStatementBuilder.HelpQueryPlusStatement	realize(ExecutionContext ctx, NodeTerm term, List listBindVars, com.tangosol.config.expression.ParameterResolver namedBindVars) Realizes an implementation of a Statement that can be executed to perform a specific CohQL command.

Methods inherited from class java.lang.Object

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

Field Detail

f_command

protected final HelpStatementBuilder.HelpQueryPlusStatement f_command

A HelpStatementBuilder.HelpQueryPlusStatement instance.

Constructor Detail

HelpStatementBuilder

public HelpStatementBuilder()

Method Detail

realize

public HelpStatementBuilder.HelpQueryPlusStatement realize(ExecutionContext ctx,
                                                           NodeTerm term,
                                                           List listBindVars,
                                                           com.tangosol.config.expression.ParameterResolver namedBindVars)

Description copied from interface: StatementBuilder

Realizes an implementation of a Statement that can be executed to perform a specific CohQL command.

Parameters:

ctx - the ExecutionContext to use to create commands

term - the parsed NodeTerm used to create the relevant Statement

listBindVars - the indexed bind variables

namedBindVars - the named bind variables

Returns:

an executable instance of a Statement

getSyntax

public String getSyntax()

Description copied from interface: StatementBuilder

Return the syntax of the CohQL command.

Returns:

the syntax of the CohQL command

getDescription

public String getDescription()

Description copied from interface: StatementBuilder

Return a description of the CohQL command suitable for displaying as help text.

Returns:

a description of the CohQL command suitable for displaying as help text

instantiateOpToken

public AbstractQueryPlusStatementBuilder.AbstractOPToken instantiateOpToken()

Description copied from class: AbstractQueryPlusStatementBuilder

Return the OPToken for this command.

Specified by:

instantiateOpToken in class AbstractQueryPlusStatementBuilder

Returns:

the OPToken for this command