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com.vaadin.flow.data.binder.
Class Binder.BindingImpl<BEAN,FIELDVALUE,TARGET>
- java.lang.Object
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- com.vaadin.flow.data.binder.Binder.BindingImpl<BEAN,FIELDVALUE,TARGET>
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Type Parameters:
BEAN- the bean type, must match the Binder bean typeFIELDVALUE- the value type of the fieldTARGET- the target data type of the binding, matches the field type unless a converter has been setAll Implemented Interfaces:
Binder.Binding<BEAN,TARGET>, Serializable
protected static class Binder.BindingImpl<BEAN,FIELDVALUE,TARGET> extends Object implements Binder.Binding<BEAN,TARGET>An internal implementation of
Binding.See Also:
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Constructor Summary
Constructors Constructor and Description BindingImpl(Binder.BindingBuilderImpl<BEAN,FIELDVALUE,TARGET> builder, ValueProvider<BEAN,TARGET> getter, Setter<BEAN,TARGET> setter)
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Method Summary
All Methods Modifier and Type Method and Description protected ValueContextcreateValueContext()Creates a value context from the current state of the binding and its field.
protected static LocalefindLocale()Finds an appropriate locale to be used in conversion and validation.
protected Binder<BEAN>getBinder()Returns the
Binderconnected to thisBindinginstance.HasValue<?,FIELDVALUE>getField()Gets the field the binding uses.
ValueProvider<BEAN,TARGET>getGetter()Gets the getter associated with this Binding.
Setter<BEAN,TARGET>getSetter()Gets the setter associated with this Binding.
BindingValidationStatusHandlergetValidationStatusHandler()Gets the validation status handler for this Binding.
booleanisReadOnly()Gets the current read-only status for this Binding.
voidread(BEAN bean)Reads the value from given item and stores it to the bound field.
voidsetReadOnly(boolean readOnly)Sets the read-only status on for this Binding.
voidunbind()Removes this binding from its binder and unregisters the
ValueChangeListenerfrom any boundHasValue.BindingValidationStatus<TARGET>validate(boolean fireEvent)Validates the field value and returns a
ValidationStatusinstance representing the outcome of the validation.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.vaadin.flow.data.binder.Binder.Binding
validate
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Constructor Detail
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BindingImpl
public BindingImpl(Binder.BindingBuilderImpl<BEAN,FIELDVALUE,TARGET> builder, ValueProvider<BEAN,TARGET> getter, Setter<BEAN,TARGET> setter)
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Method Detail
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getField
public HasValue<?,FIELDVALUE> getField()Description copied from interface:
Binder.BindingGets the field the binding uses.
Specified by:
getFieldin interfaceBinder.Binding<BEAN,TARGET>Returns:
the field for the binding
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findLocale
protected static Locale findLocale()Finds an appropriate locale to be used in conversion and validation.
Returns:
the found locale, not null
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validate
public BindingValidationStatus<TARGET> validate(boolean fireEvent)Description copied from interface:
Binder.BindingValidates the field value and returns a
ValidationStatusinstance representing the outcome of the validation.Specified by:
validatein interfaceBinder.Binding<BEAN,TARGET>Parameters:
fireEvent-trueto fire status event;falseto notReturns:
the validation result.
See Also:
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unbind
public void unbind()Removes this binding from its binder and unregisters the
ValueChangeListenerfrom any boundHasValue. It does nothing if it is called for an already unbound binding.Specified by:
unbindin interfaceBinder.Binding<BEAN,TARGET>
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createValueContext
protected ValueContext createValueContext()Creates a value context from the current state of the binding and its field.
Returns:
the value context
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getBinder
protected Binder<BEAN> getBinder()Returns the
Binderconnected to thisBindinginstance.Returns:
the binder
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getValidationStatusHandler
public BindingValidationStatusHandler getValidationStatusHandler()Description copied from interface:
Binder.BindingGets the validation status handler for this Binding.
Specified by:
getValidationStatusHandlerin interfaceBinder.Binding<BEAN,TARGET>Returns:
the validation status handler for this binding
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read
public void read(BEAN bean)Description copied from interface:
Binder.BindingReads the value from given item and stores it to the bound field.
Specified by:
readin interfaceBinder.Binding<BEAN,TARGET>Parameters:
bean- the bean to read from
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setReadOnly
public void setReadOnly(boolean readOnly)Description copied from interface:
Binder.BindingSets the read-only status on for this Binding. Setting a Binding read-only will mark the field read-only and not write any values from the fields to the bean.
This helper method is the preferred way to control the read-only state of the bound field.
Specified by:
setReadOnlyin interfaceBinder.Binding<BEAN,TARGET>Parameters:
readOnly-trueto set binding read-only;falseto enable writes
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isReadOnly
public boolean isReadOnly()Description copied from interface:
Binder.BindingGets the current read-only status for this Binding.
Specified by:
isReadOnlyin interfaceBinder.Binding<BEAN,TARGET>Returns:
trueif read-only;falseif notSee Also:
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getGetter
public ValueProvider<BEAN,TARGET> getGetter()Description copied from interface:
Binder.BindingGets the getter associated with this Binding.
Specified by:
getGetterin interfaceBinder.Binding<BEAN,TARGET>Returns:
the getter
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getSetter
public Setter<BEAN,TARGET> getSetter()Description copied from interface:
Binder.BindingGets the setter associated with this Binding.
Specified by:
getSetterin interfaceBinder.Binding<BEAN,TARGET>Returns:
the setter
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