Package org.mvel2.optimizers.impl.refl

Class ReflectiveAccessorOptimizer

java.lang.Object

org.mvel2.compiler.AbstractParser

org.mvel2.optimizers.AbstractOptimizer

org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer

All Implemented Interfaces:

java.io.Serializable, Parser, AccessorOptimizer

public class ReflectiveAccessorOptimizer
extends AbstractOptimizer
implements AccessorOptimizer

See Also:

Serialized Form

Field Summary

Fields

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

Fields inherited from class org.mvel2.optimizers.AbstractOptimizer

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

Fields inherited from class org.mvel2.compiler.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, java.lang.Object ctx, java.lang.Object thisRef, VariableResolverFactory variableFactory)

Method Summary

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

Methods inherited from class org.mvel2.optimizers.AbstractOptimizer

capture, findLastUnion, nextSubToken, scanTo, tryStaticAccess, whiteSpaceSkip

Methods inherited from class org.mvel2.compiler.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 java.lang.Object

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

Field Detail

LOG

private static final java.util.logging.Logger LOG

rootNode

private AccessorNode rootNode

currNode

private AccessorNode currNode

ctx

private java.lang.Object ctx

thisRef

private java.lang.Object thisRef

val

private java.lang.Object val

variableFactory

private VariableResolverFactory variableFactory

DONE

private static final int DONE

See Also:

Constant Field Values

EMPTYARG

private static final java.lang.Object[] EMPTYARG

EMPTYCLS

private static final java.lang.Class[] EMPTYCLS

first

private boolean first

ingressType

private java.lang.Class ingressType

returnType

private java.lang.Class returnType

Constructor Detail

ReflectiveAccessorOptimizer

public ReflectiveAccessorOptimizer()

ReflectiveAccessorOptimizer

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

Method Detail

init

public void init()

Specified by:

init in interface AccessorOptimizer

optimizeAccessor

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

Specified by:

optimizeAccessor in interface AccessorOptimizer

optimizeSetAccessor

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

Specified by:

optimizeSetAccessor in interface AccessorOptimizer

compileGetChain

private Accessor compileGetChain()

addAccessorNode

private void addAccessorNode(AccessorNode an)

getWithProperty

private java.lang.Object getWithProperty(java.lang.Object ctx)

getBeanPropertyAO

private java.lang.Object getBeanPropertyAO(java.lang.Object ctx,
                                           java.lang.String property)
                                    throws java.lang.Exception

Throws:

java.lang.Exception

getBeanProperty

private java.lang.Object getBeanProperty(java.lang.Object ctx,
                                         java.lang.String property)
                                  throws java.lang.Exception

Throws:

java.lang.Exception

getCollectionProperty

private java.lang.Object getCollectionProperty(java.lang.Object ctx,
                                               java.lang.String prop)
                                        throws java.lang.Exception

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

Parameters:

ctx - -

prop - -

Returns:

-

Throws:

java.lang.Exception - -

getCollectionPropertyAO

private java.lang.Object getCollectionPropertyAO(java.lang.Object ctx,
                                                 java.lang.String prop)
                                          throws java.lang.Exception

Throws:

java.lang.Exception

getMethod

private java.lang.Object getMethod(java.lang.Object ctx,
                                   java.lang.String name)
                            throws java.lang.Exception

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

Parameters:

ctx - -

name - -

Returns:

-

Throws:

java.lang.Exception - -

getMethod

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

Throws:

java.lang.Exception

getValue

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

Throws:

java.lang.Exception

_getAccessor

private Accessor _getAccessor(java.lang.Object o,
                              java.lang.Class type)

optimizeCollection

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

Specified by:

optimizeCollection in interface AccessorOptimizer

optimizeObjectCreation

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

Specified by:

optimizeObjectCreation in interface AccessorOptimizer

setRootNode

private void setRootNode(AccessorNode rootNode)

getRootNode

private AccessorNode getRootNode()

getResultOptPass

public java.lang.Object getResultOptPass()

Specified by:

getResultOptPass in interface AccessorOptimizer

compileConstructor

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

Throws:

java.lang.InstantiationException

java.lang.IllegalAccessException

java.lang.reflect.InvocationTargetException

java.lang.ClassNotFoundException

java.lang.NoSuchMethodException

getEgressType

public java.lang.Class getEgressType()

Specified by:

getEgressType in interface AccessorOptimizer

isLiteralOnly

public boolean isLiteralOnly()

Specified by:

isLiteralOnly in interface AccessorOptimizer

propHandler

private java.lang.Object propHandler(java.lang.String property,
                                     java.lang.Object ctx,
                                     java.lang.Class handler)

propHandlerSet

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