org.datanucleus.store.rdbms.sql
Interface StatementGenerator

All Known Implementing Classes:

AbstractStatementGenerator, DiscriminatorStatementGenerator, UnionStatementGenerator

public interface StatementGenerator

Generator of SQLStatements.

Field Summary

static String	OPTION_ALLOW_NULLS Option to allow null values as elements of an array or collection.
static String	OPTION_RESTRICT_DISCRIM Option to add a WHERE clause to restrict to the discriminator value.
static String	OPTION_SELECT_NUCLEUS_TYPE Option to add "NUCLEUS_TYPE" to the SELECT clause as kind of discriminator.

Method Summary

SQLStatement	getStatement() Accessor for the statement.
boolean	hasOption(String name) Whether the generator has a particular option set.
StatementGenerator	setOption(String name) Method to set a property.
void	setParentStatement(SQLStatement stmt) Method to set the parent statement.
StatementGenerator	unsetOption(String name) Method to unset a property.

Field Detail

OPTION_ALLOW_NULLS

static final String OPTION_ALLOW_NULLS

Option to allow null values as elements of an array or collection.

See Also:

Constant Field Values

OPTION_SELECT_NUCLEUS_TYPE

static final String OPTION_SELECT_NUCLEUS_TYPE

Option to add "NUCLEUS_TYPE" to the SELECT clause as kind of discriminator.

See Also:

Constant Field Values

OPTION_RESTRICT_DISCRIM

static final String OPTION_RESTRICT_DISCRIM

Option to add a WHERE clause to restrict to the discriminator value.

See Also:

Constant Field Values

Method Detail

getStatement

SQLStatement getStatement()

Accessor for the statement.

Returns:

The SQLStatement

setParentStatement

void setParentStatement(SQLStatement stmt)

Method to set the parent statement. Must be set before calling getStatement().

Parameters:

stmt - The parent statement

setOption

StatementGenerator setOption(String name)

Method to set a property.

Parameters:

name - Name of the property

unsetOption

StatementGenerator unsetOption(String name)

Method to unset a property.

Parameters:

name - Name of the property

hasOption

boolean hasOption(String name)

Whether the generator has a particular option set.

Parameters:

name - Name of the option

Returns:

Whether it is set