Class ReflectiveAccessorOptimizer

java.lang.Object

org.mvel2.compiler.AbstractParser

org.mvel2.optimizers.AbstractOptimizer

org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer

All Implemented Interfaces:

Serializable, Parser, AccessorOptimizer

public class ReflectiveAccessorOptimizer
extends AbstractOptimizer
implements AccessorOptimizer

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private Object	ctx
private AccessorNode	currNode
private static final int	DONE
private static final Object[]	EMPTYARG
private static final Class[]	EMPTYCLS
private boolean	first
private Class	ingressType
private static final Logger	LOG
private Class	returnType
private AccessorNode	rootNode
private Object	thisRef
private Object	val
private VariableResolverFactory	variableFactory

Fields inherited from class AbstractOptimizer

BEAN, COL, collection, currType, METH, nullSafe, staticAccess, tkStart, WITH

Fields inherited from class AbstractParser

CLASS_LITERALS, compileMode, cursor, debugSymbols, dStack, end, expr, fields, GET, GET_OR_CREATE, greedy, lastLineStart, lastNode, lastWasComment, lastWasIdentifier, lastWasLineLabel, length, LEVEL_0_PROPERTY_ONLY, LEVEL_1_BASIC_LANG, LEVEL_2_MULTI_STATEMENT, LEVEL_3_ITERATION, LEVEL_4_ASSIGNMENT, LEVEL_5_CONTROL_FLOW, line, literalOnly, LITERALS, OP_CONTINUE, OP_NOT_LITERAL, OP_OVERFLOW, OP_RESET_FRAME, OP_TERMINATE, OPERATORS, pCtx, REMOVE, SET, splitAccumulator, st, start, stk

Constructor Summary

Constructors

Modifier	Constructor	Description
	ReflectiveAccessorOptimizer()
private	ReflectiveAccessorOptimizer(ParserContext pCtx, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory variableFactory)

Method Summary

Modifier and Type	Method	Description
private Accessor	_getAccessor(Object o, Class type)
private void	addAccessorNode(AccessorNode an)
private AccessorNode	compileConstructor(char[] expression, Object ctx, VariableResolverFactory vars)
private Accessor	compileGetChain()
private Object	getBeanProperty(Object ctx, String property)
private Object	getBeanPropertyAO(Object ctx, String property)
private Object	getCollectionProperty(Object ctx, String prop)	Handle accessing a property embedded in a collections, map, or array
private Object	getCollectionPropertyAO(Object ctx, String prop)
Class	getEgressType()
private Object	getMethod(Object ctx, String name)	Find an appropriate method, execute it, and return it's response.
private Object	getMethod(Object ctx, String name, Object[] args, Class[] argTypes, ExecutableStatement[] es)
Object	getResultOptPass()
private AccessorNode	getRootNode()
Object	getValue(Object ctx, Object elCtx, VariableResolverFactory variableFactory)
private Object	getWithProperty(Object ctx)
void	init()
boolean	isLiteralOnly()
Accessor	optimizeAccessor(ParserContext pCtx, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory factory, boolean root, Class ingressType)
Accessor	optimizeCollection(ParserContext pCtx, Object o, Class type, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory factory)
Accessor	optimizeObjectCreation(ParserContext pCtx, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory factory)
Accessor	optimizeSetAccessor(ParserContext pCtx, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory factory, boolean rootThisRef, Object value, Class ingressType)
private Object	propHandler(String property, Object ctx, Class handler)
void	propHandlerSet(String property, Object ctx, Class handler, Object value)
private void	setRootNode(AccessorNode rootNode)

Methods inherited from class AbstractOptimizer

capture, findLastUnion, nextSubToken, scanTo, tryStaticAccess, whiteSpaceSkip

Methods inherited from class AbstractParser

addFatalError, addFatalError, arithmeticFunctionReduction, captureIdentifier, captureToEOS, captureToEOSorEOL, captureToEOT, captureToNextTokenJunction, expectEOS, expectNextChar_IW, getCursor, getExpression, handleSubstatement, handleUnion, ifThenElseBlockContinues, incNextNonBlank, isArithmeticOperator, isNextIdentifier, isNextIdentifierOrLiteral, isStatementNotManuallyTerminated, lastNonWhite, loadLanguageFeaturesByLevel, lookAhead, lookAhead, lookBehind, lookToLast, nextNonBlank, nextToken, nextTokenSkipSymbols, reduce, setExpression, setExpression, setLanguageLevel, setupParser, skipWhitespace, tokenContinues, trimLeft, trimRight, trimWhitespace

Methods inherited from class Object

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

Field Details

LOG

private static final Logger LOG

rootNode

private AccessorNode rootNode

currNode

private AccessorNode currNode

ctx

private Object ctx

thisRef

private Object thisRef

val

private Object val

variableFactory

private VariableResolverFactory variableFactory

DONE

private static final int DONE

See Also:

• Constant Field Values

EMPTYARG

private static final Object[] EMPTYARG

EMPTYCLS

private static final Class[] EMPTYCLS

first

private boolean first

ingressType

private Class ingressType

returnType

private Class returnType

Constructor Details

ReflectiveAccessorOptimizer

public ReflectiveAccessorOptimizer()

ReflectiveAccessorOptimizer

private ReflectiveAccessorOptimizer(ParserContext pCtx,
 char[] property,
 int start,
 int offset,
 Object ctx,
 Object thisRef,
 VariableResolverFactory variableFactory)

Method Details

init

public void init()

Specified by:

init in interface AccessorOptimizer

optimizeAccessor

public Accessor optimizeAccessor(ParserContext pCtx,
 char[] property,
 int start,
 int offset,
 Object ctx,
 Object thisRef,
 VariableResolverFactory factory,
 boolean root,
 Class ingressType)

Specified by:

optimizeAccessor in interface AccessorOptimizer

optimizeSetAccessor

public Accessor optimizeSetAccessor(ParserContext pCtx,
 char[] property,
 int start,
 int offset,
 Object ctx,
 Object thisRef,
 VariableResolverFactory factory,
 boolean rootThisRef,
 Object value,
 Class ingressType)

Specified by:

optimizeSetAccessor in interface AccessorOptimizer

compileGetChain

private Accessor compileGetChain()

addAccessorNode

private void addAccessorNode(AccessorNode an)

getWithProperty

private Object getWithProperty(Object ctx)

getBeanPropertyAO

private Object getBeanPropertyAO(Object ctx,
 String property)
                          throws Exception

Throws:

Exception

getBeanProperty

private Object getBeanProperty(Object ctx,
 String property)
                        throws Exception

Throws:

Exception

getCollectionProperty

private Object getCollectionProperty(Object ctx,
 String prop)
                              throws Exception

Handle accessing a property embedded in a collections, map, or array

Parameters:

ctx - -

prop - -

Returns:

-

Throws:

Exception - -

getCollectionPropertyAO

private Object getCollectionPropertyAO(Object ctx,
 String prop)
                                throws Exception

Throws:

Exception

getMethod

private Object getMethod(Object ctx,
 String name)
                  throws Exception

Find an appropriate method, execute it, and return it's response.

Parameters:

ctx - -

name - -

Returns:

-

Throws:

Exception - -

getMethod

private Object getMethod(Object ctx,
 String name,
 Object[] args,
 Class[] argTypes,
 ExecutableStatement[] es)
                  throws Exception

Throws:

Exception

getValue

public Object getValue(Object ctx,
 Object elCtx,
 VariableResolverFactory variableFactory)
                throws Exception

Throws:

Exception

_getAccessor

private Accessor _getAccessor(Object o,
 Class type)

optimizeCollection

public Accessor optimizeCollection(ParserContext pCtx,
 Object o,
 Class type,
 char[] property,
 int start,
 int offset,
 Object ctx,
 Object thisRef,
 VariableResolverFactory factory)

Specified by:

optimizeCollection in interface AccessorOptimizer

optimizeObjectCreation

public Accessor optimizeObjectCreation(ParserContext pCtx,
 char[] property,
 int start,
 int offset,
 Object ctx,
 Object thisRef,
 VariableResolverFactory factory)

Specified by:

optimizeObjectCreation in interface AccessorOptimizer

setRootNode

private void setRootNode(AccessorNode rootNode)

getRootNode

private AccessorNode getRootNode()

getResultOptPass

public Object getResultOptPass()

Specified by:

getResultOptPass in interface AccessorOptimizer

compileConstructor

private AccessorNode compileConstructor(char[] expression,
 Object ctx,
 VariableResolverFactory vars)
                                 throws InstantiationException,
IllegalAccessException,
InvocationTargetException,
ClassNotFoundException,
NoSuchMethodException

Throws:

InstantiationException

IllegalAccessException

InvocationTargetException

ClassNotFoundException

NoSuchMethodException

getEgressType

public Class getEgressType()

Specified by:

getEgressType in interface AccessorOptimizer

isLiteralOnly

public boolean isLiteralOnly()

Specified by:

isLiteralOnly in interface AccessorOptimizer

propHandler

private Object propHandler(String property,
 Object ctx,
 Class handler)

propHandlerSet

public void propHandlerSet(String property,
 Object ctx,
 Class handler,
 Object value)