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## org.apache.cayenne.di
Class Key<T>

    java.lang.Object
      org.apache.cayenne.di.Key<T>

    public class Key<T>

extends Object

An object that encapsulates a key used to store and lookup DI bindings. Key is made of a binding type and an optional binding name.

Since:
  3.1

Field Summary
`protected String` | `bindingName`
`protected Class<T>` | `type`
`protected String` | `typeName`

Constructor Summary
`protected` | `Key(Class<T> type, String bindingName)`

Method Summary
`boolean` | `equals(Object object)`
`static
`<T> Key<T>`
` | `get(Class<T> type)` Creates a key for a nameless binding of a given type.
`static
`<T> Key<T>`
` | `get(Class<T> type, String bindingName)` Creates a key for a named binding of a given type.
`String` | `getBindingName()` Returns an optional name of the binding used to distinguish multiple bindings of the same object type.
`Class<T>` | `getType()`
`int` | `hashCode()`
`String` | `toString()`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Field Detail

### type

    protected Class<T> type

### typeName

    protected String typeName

### bindingName

    protected String bindingName

Constructor Detail

### Key

    protected Key(Class<T> type,
                  String bindingName)

Method Detail

### get

    public static <T> Key<T> get(Class<T> type)

  Creates a key for a nameless binding of a given type.

### get

    public static <T> Key<T> get(Class<T> type,
                                 String bindingName)

  Creates a key for a named binding of a given type. 'bindingName' that is an empty String is treated the same way as a null 'bindingName'. In both cases a nameless binding key is created.

### getType

    public Class<T> getType()

### getBindingName

    public String getBindingName()

  Returns an optional name of the binding used to distinguish multiple bindings of the same object type.

### equals

    public boolean equals(Object object)

  Overrides:
    `equals` in class `Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Object`

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`

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