org.springframework.expression.spel.ast

Class Indexer.CollectionIndexingValueRef

java.lang.Object

org.springframework.expression.spel.ast.Indexer.CollectionIndexingValueRef

All Implemented Interfaces:

ValueRef

Enclosing class:

Indexer

private class Indexer.CollectionIndexingValueRef
extends java.lang.Object
implements ValueRef

Nested Class Summary

Nested classes/interfaces inherited from interface org.springframework.expression.spel.ast.ValueRef

ValueRef.NullValueRef, ValueRef.TypedValueHolderValueRef

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Collection	collection
private TypeDescriptor	collectionEntryDescriptor
private boolean	growCollection
private int	index
private int	maximumSize
private TypeConverter	typeConverter

Constructor Summary

Constructors

Constructor and Description
CollectionIndexingValueRef(java.util.Collection collection, int index, TypeDescriptor collectionEntryTypeDescriptor, TypeConverter typeConverter, boolean growCollection, int maximumSize)

Method Summary

Modifier and Type	Method and Description
TypedValue	getValue() Returns the value this ValueRef points to, it should not require expression component re-evaluation.
private void	growCollectionIfNecessary()
boolean	isWritable() Indicates whether calling setValue(Object) is supported.
void	setValue(java.lang.Object newValue) Sets the value this ValueRef points to, it should not require expression component re-evaluation.

Methods inherited from class java.lang.Object

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

Field Detail

collection

private final java.util.Collection collection

index

private final int index

collectionEntryDescriptor

private final TypeDescriptor collectionEntryDescriptor

typeConverter

private final TypeConverter typeConverter

growCollection

private final boolean growCollection

maximumSize

private final int maximumSize

Constructor Detail

CollectionIndexingValueRef

public CollectionIndexingValueRef(java.util.Collection collection,
                                  int index,
                                  TypeDescriptor collectionEntryTypeDescriptor,
                                  TypeConverter typeConverter,
                                  boolean growCollection,
                                  int maximumSize)

Method Detail

getValue

public TypedValue getValue()

Description copied from interface: ValueRef

Returns the value this ValueRef points to, it should not require expression component re-evaluation.

Specified by:

getValue in interface ValueRef

Returns:

the value

setValue

public void setValue(java.lang.Object newValue)

Description copied from interface: ValueRef

Sets the value this ValueRef points to, it should not require expression component re-evaluation.

Specified by:

setValue in interface ValueRef

Parameters:

newValue - the new value

growCollectionIfNecessary

private void growCollectionIfNecessary()

isWritable

public boolean isWritable()

Description copied from interface: ValueRef

Indicates whether calling setValue(Object) is supported.

Specified by:

isWritable in interface ValueRef

Returns:

true if setValue() is supported for this value reference.