Package net.sf.saxon.expr.parser

Class OptimizerOptions

java.lang.Object

net.sf.saxon.expr.parser.OptimizerOptions

public class OptimizerOptions
extends java.lang.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 int	BYTE_CODE_NOT_USED
static int	COMMON_SUBEXPRESSIONS
static int	CONSTANT_FOLDING
static int	CREATE_KEYS
static int	EXTRACT_GLOBALS
static OptimizerOptions	FULL_EE_OPTIMIZATION
static OptimizerOptions	FULL_HE_OPTIMIZATION
static int	INDEX_VARIABLES
static int	INLINE_FUNCTIONS
static int	INLINE_VARIABLES
static int	JIT
static int	LOOP_LIFTING
static int	MISCELLANEOUS
static int	REGEX_CACHE
static int	REORDER_PREDICATES
static int	RULE_SET
static int	SWITCH
static int	TAIL_CALLS
static int	VOID_EXPRESSIONS

Constructor Summary

Constructors

Constructor	Description
OptimizerOptions(int options)
OptimizerOptions(java.lang.String flags)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

LOOP_LIFTING

public static final int LOOP_LIFTING

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Constant Field Values

EXTRACT_GLOBALS

public static final int EXTRACT_GLOBALS

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Constant Field Values

INLINE_VARIABLES

public static final int INLINE_VARIABLES

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Constant Field Values

INLINE_FUNCTIONS

public static final int INLINE_FUNCTIONS

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Constant Field Values

INDEX_VARIABLES

public static final int INDEX_VARIABLES

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Constant Field Values

CREATE_KEYS

public static final int CREATE_KEYS

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Constant Field Values

BYTE_CODE_NOT_USED

public static final int BYTE_CODE_NOT_USED

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Constant Field Values

COMMON_SUBEXPRESSIONS

public static final int COMMON_SUBEXPRESSIONS

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Constant Field Values

MISCELLANEOUS

public static final int MISCELLANEOUS

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Constant Field Values

SWITCH

public static final int SWITCH

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Constant Field Values

JIT

public static final int JIT

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Constant Field Values

RULE_SET

public static final int RULE_SET

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Constant Field Values

REGEX_CACHE

public static final int REGEX_CACHE

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Constant Field Values

VOID_EXPRESSIONS

public static final int VOID_EXPRESSIONS

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Constant Field Values

TAIL_CALLS

public static final int TAIL_CALLS

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Constant Field Values

CONSTANT_FOLDING

public static final int CONSTANT_FOLDING

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Constant Field Values

REORDER_PREDICATES

public static final int REORDER_PREDICATES

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Constant Field Values

FULL_HE_OPTIMIZATION

public static final OptimizerOptions FULL_HE_OPTIMIZATION

FULL_EE_OPTIMIZATION

public static final OptimizerOptions FULL_EE_OPTIMIZATION

Constructor Detail

OptimizerOptions

public OptimizerOptions(int options)

OptimizerOptions

public OptimizerOptions(java.lang.String flags)

Method Detail

intersect

public OptimizerOptions intersect(OptimizerOptions other)

union

public OptimizerOptions union(OptimizerOptions other)

except

public OptimizerOptions except(OptimizerOptions other)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

isSet

public boolean isSet(int option)

getOptions

public int getOptions()