333 lines
8.9 KiB
Plaintext
333 lines
8.9 KiB
Plaintext
= fflib_AppBinding Class
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:Author: Wilhelmus G.J. Velzeboer
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:Email: wim@velzeboer.nl
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:Date: 2021
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:Revision: version 1
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A Data-class containing the information about a binding.
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It implements fflib_IBinding with the generic method signatures and implements Comparable for sorting based on the Sequence number.
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== Methods
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- <<compareTo, compareTo(Object compareTo)>> +
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Compares the Binding Sequence number so that binding can be sorted
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- <<getBindingObject, getBindingObject()>> +
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Returns the Object to which the binding is bound to
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- <<getBindingType, getBindingType()>> +
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Returns the enum value fflib_AppBindingType that defines the type of the binding
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- <<getImplementationType, getImplementationType()>> +
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Returns the System.Type of the implementation class for the binding
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- <<getInterfaceType, getInterfaceType()>> +
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Returns the System.Type of the interface for the binding
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- <<getNamespacePrefix, getNamespacePrefix()>> +
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Returns the Namespace for the binding
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- <<getSequence, getSequence()>> +
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Returns the number of the order sequence in which the binding should be returned
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- <<getSharingMode, getSharingMode()>> +
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Returns an enum value fflib_SharingMode that defines the type of sharing used in the implementation class
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- <<newImplInstance, newImplInstance()>>
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Creates a new instance of the implementation for this binding.
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- <<setBindingObject, setBindingObject(Object bindingObject)>> +
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Sets the Object to which the binding is bound to
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- <<setBindingType, setBindingType(fflib_AppBindingType bindingType)>> +
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Sets the bindingType to an enum value of fflib_AppBindingType
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- <<setImplementationType, setImplementationType(System.Type implementationType)>> +
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Sets the System.Type of the implementation class for the binding
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- <<setInterfaceType, setInterfaceType(System.Type interfaceType)>> +
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Sets the System.Type of the interface for the binding
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- <<setNamespacePrefix, setNamespacePrefix(String namespacePrefix)>> +
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Sets the Namespace for the binding
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- <<setSequence, setSequence(Decimal sequence)>> +
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sets the number of the order sequence in which the binding should be returned
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- <<setSharingMode, setSharingMode(fflib_SharingMode sharingMode)>> +
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Sets an enum value fflib_SharingMode that defines the type of sharing used in the implementation class
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[[compareTo]]
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=== compareTo(Object compareTo)
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Compares the Binding Sequence number so that binding can be sorted
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==== _Signature_
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```java
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public Integer compareTo(Object compareTo)
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```
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==== _Parameters_
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_compareTo_ +
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The Object (instance of fflib_IBinding) to compare the current object to, for sorting purposes
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___
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[[getBindingObject]]
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=== getBindingObject()
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Returns the enum value fflib_AppBindingType that defines the type of the binding
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==== _Signature_
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```java
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public Object getBindingObject()
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```
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==== _Returns_
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An enum value fflib_AppBindingType that defines the type of the binding
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___
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[[getBindingType]]
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=== getBindingType()
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Returns the Object to which the binding is bound to.
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==== _Signature_
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```java
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public virtual fflib_AppBindingType getBindingType()
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```
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==== _Returns_
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___
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[[getImplementationType]]
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=== getImplementationType()
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Returns the System.Type of the implementation class for the binding
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==== _Signature_
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```java
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virtual System.Type getImplementationType()
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```
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==== _Returns_
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The System.Type of the implementation class for the binding
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___
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[[getInterfaceType]]
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=== getInterfaceType()
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Returns the System.Type of the interface for the binding.
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This must match the type of the implementation.
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==== _Signature_
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```java
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public virtual System.Type getInterfaceType()
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```
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==== _Returns_
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The System.Type of the interface for the binding
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___
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[[getNamespacePrefix]]
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=== getNamespacePrefix()
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Returns the Namespace for the binding
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==== _Signature_
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```java
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public virtual String getNamespacePrefix()
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```
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==== _Returns_
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The Namespace for the binding
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___
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[[getSequence]]
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=== getSequence()
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Returns the number of the order sequence in which the binding should be returned.
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In some scenarios there are multiple bindings available, this sequence number defines the order in which they are returned. +
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This sequence number can also be used to dynamically override an existing binding (without replacing it),
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by having a binding with a higher sequence number.
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==== _Signature_
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```java
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public virtual Decimal getSequence()
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```
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==== _Returns_
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The number of the order sequence in which the binding should be returned
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___
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[[getSharingMode]]
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=== getSharingMode()
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Returns an enum value fflib_SharingMode that defines the type of sharing used in the implementation class.
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This value is particularly useful when you have multiple implementation with different class sharing types
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==== _Signature_
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```java
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public virtual fflib_SharingMode getSharingMode()
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```
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==== _Returns_
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The enum value fflib_SharingMode that defines the type of sharing used in the implementation class
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___
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[[newImplInstance]]
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=== newImplInstance()
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Creates a new instance of the implementation for this binding.
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==== _Signature_
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```java
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public virtual Object newImplInstance()
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```
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==== _Returns_
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An instance of the implementation for this binding.
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==== _Example_
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```java
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fflib_AppBinding binding =
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new fflib_AppBinding();
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.setInterface( IAccountsService.class )
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.setImplementation( AccountsServiceImpl );
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IAccountsService service = (IAccountsService) binding.newImplInstance();
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```
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___
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[[setBindingObject]]
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=== setBindingObject(Object bindingObject)
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Sets the Object to which the binding is bound to
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setBindingObject(Object bindingObject)
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```
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==== _Parameters_
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_**bindingObject**_ +
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An object representing the binding type, e.g.; +
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`MyCustomerInfo.class` or `Schema.Account.SObjectType`
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==== _Returns_
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An instance of itself to enable method chaining
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___
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[[setBindingType]]
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=== setBindingType(fflib_AppBindingType bindingType)
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Sets the bindingType to an enum value of fflib_AppBindingType
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setBindingType(fflib_AppBindingType bindingType)
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```
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==== _Parameters_
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_**bindingType**_ +
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An enum value of fflib_AppBindingType to define the type of binding, e.g.; +
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`Service` or `Domain`
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==== _Returns_
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An instance of itself to enable method chaining
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___
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[[setImplementationType]]
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=== setImplementationType(System.Type implementationType)
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Sets the System.Type of the implementation class for the binding
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setImplementationType(System.Type implementationType)
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```
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==== _Parameters_
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_**implementationType**_ +
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The System.Type of the implementation class. e.g.; `AccountsServiceImpl.class`
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==== _Returns_
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An instance of itself to enable method chaining
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___
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[[setInterfaceType]]
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=== setInterfaceType(System.Type interfaceType)
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Sets the System.Type of the interface for the binding
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setInterfaceType(System.Type interfaceType)
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```
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==== _Parameters_
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_**interfaceType**_ +
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The System.Type of the interface class. e.g.; `IAccountsService.class`
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This must match the type of the implementation.
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==== _Returns_
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An instance of itself to enable method chaining
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___
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[[setNamespacePrefix]]
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=== setNamespacePrefix(String namespacePrefix)
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Sets the Namespace for the binding. This is typically used when Apps use
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https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_namespace_prefix.htm[Namespaces].
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but can also be utilised when there are multiple modules with implementations of the same Object types. e.g.
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SFDX Package "Core" - binds Schema.Account.SObjectType to implementation Accounts.class
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SFDX Package "MyApp" - binds Schema.Account.SObjectType to implementation Accounts_MyApp.class
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The resolver can use the defined namespace to return the correct binding for each package inside the single sfdx project.
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setNamespacePrefix(String namespacePrefix)
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```
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==== _Parameters_
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_**namespacePrefix**_ +
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The name of the Namespace for the binding
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==== _Returns_
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An instance of itself to enable method chaining
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___
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[[setSequence]]
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=== setSequence(Decimal sequence)
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Set the order number so that the resolver can sort the bindings.
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The higher the number, the more priority.
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The binding with the highest number will be returned first by the resolver.
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setSequence(Decimal sequence)
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```
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==== _Parameters_
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_**sequence**_ +
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A decimal number representing the priority of the binding
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==== _Returns_
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An instance of itself to enable method chaining
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___
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[[setSharingMode]]
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=== setSharingMode(fflib_SharingMode sharingMode)
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Sets an enum value fflib_SharingMode that defines the type of sharing used in the implementation class
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==== _Signature_
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```java
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public virtual fflib_IAppBinding setSharingMode(fflib_SharingMode sharingMode)
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```
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==== _Parameters_
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_**sharingMode**_ +
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A enum value of fflib_SharingMode representing the sharing mode of the implementation class
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==== _Returns_
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An instance of itself to enable method chaining
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