Package net.sf.saxon.expr.parser

Class OptimizerOptions

java.lang.Object

net.sf.saxon.expr.parser.OptimizerOptions

public class OptimizerOptions
extends Object

Defines switches that can be used to control which optimizations take place. The object is immutable.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BYTE_CODE_NOT_USED
static final int	COMMON_SUBEXPRESSIONS
static final int	CONSTANT_FOLDING
static final int	CREATE_KEYS
static final int	EXTRACT_GLOBALS
static final OptimizerOptions	FULL_EE_OPTIMIZATION
static final OptimizerOptions	FULL_HE_OPTIMIZATION
static final int	INDEX_VARIABLES
static final int	INLINE_FUNCTIONS
static final int	INLINE_VARIABLES
static final int	JIT
static final int	LOOP_LIFTING
static final int	MISCELLANEOUS
static final int	REGEX_CACHE
static final int	REORDER_PREDICATES
static final int	RULE_SET
static final int	SWITCH
static final int	TAIL_CALLS
static final int	VOID_EXPRESSIONS

Constructor Summary

Constructors

Constructor	Description
OptimizerOptions(int options)
OptimizerOptions(String flags)

Method Summary

Modifier and Type	Method	Description
OptimizerOptions	except(OptimizerOptions other)
int	getOptions()
OptimizerOptions	intersect(OptimizerOptions other)
boolean	isSet(int option)
String	toString()
OptimizerOptions	union(OptimizerOptions other)

Methods inherited from class java.lang.Object

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

Field Details

LOOP_LIFTING

public static final int LOOP_LIFTING

See Also:

• Constant Field Values

EXTRACT_GLOBALS

public static final int EXTRACT_GLOBALS

See Also:

• Constant Field Values

INLINE_VARIABLES

public static final int INLINE_VARIABLES

See Also:

• Constant Field Values

INLINE_FUNCTIONS

public static final int INLINE_FUNCTIONS

See Also:

• Constant Field Values

INDEX_VARIABLES

public static final int INDEX_VARIABLES

See Also:

• Constant Field Values

CREATE_KEYS

public static final int CREATE_KEYS

See Also:

• Constant Field Values

BYTE_CODE_NOT_USED

public static final int BYTE_CODE_NOT_USED

See Also:

• Constant Field Values

COMMON_SUBEXPRESSIONS

public static final int COMMON_SUBEXPRESSIONS

See Also:

• Constant Field Values

MISCELLANEOUS

public static final int MISCELLANEOUS

See Also:

• Constant Field Values

SWITCH

public static final int SWITCH

See Also:

• Constant Field Values

JIT

public static final int JIT

See Also:

• Constant Field Values

RULE_SET

public static final int RULE_SET

See Also:

• Constant Field Values

REGEX_CACHE

public static final int REGEX_CACHE

See Also:

• Constant Field Values

VOID_EXPRESSIONS

public static final int VOID_EXPRESSIONS

See Also:

• Constant Field Values

TAIL_CALLS

public static final int TAIL_CALLS

See Also:

• Constant Field Values

CONSTANT_FOLDING

public static final int CONSTANT_FOLDING

See Also:

• Constant Field Values

REORDER_PREDICATES

public static final int REORDER_PREDICATES

See Also:

• Constant Field Values

FULL_HE_OPTIMIZATION

public static final OptimizerOptions FULL_HE_OPTIMIZATION

FULL_EE_OPTIMIZATION

public static final OptimizerOptions FULL_EE_OPTIMIZATION

Constructor Details

OptimizerOptions

public OptimizerOptions(int options)

OptimizerOptions

public OptimizerOptions(String flags)

Method Details

intersect

public OptimizerOptions intersect(OptimizerOptions other)

union

public OptimizerOptions union(OptimizerOptions other)

except

public OptimizerOptions except(OptimizerOptions other)

toString

public String toString()

Overrides:

toString in class Object

isSet

public boolean isSet(int option)

getOptions

public int getOptions()