org.apache.commons.collections4.functors

## Class InstanceofPredicate

- java.lang.Object
- - org.apache.commons.collections4.functors.InstanceofPredicate

- All Implemented Interfaces:
    Serializable, Predicate<Object>

      public final class InstanceofPredicate
      extends Object
      implements Predicate<Object>, Serializable

  Predicate implementation that returns true if the input is an instanceof the type stored in this predicate.
  Since:
    3.0
  Version:
    $Id: InstanceofPredicate.java 1476582 2013-04-27 14:13:54Z tn $
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `InstanceofPredicate(Class<?> type)` Constructor that performs no validation.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `evaluate(Object object)` Evaluates the predicate returning true if the input object is of the correct type.
    `Class<?>` | `getType()` Gets the type to compare to.
    `static Predicate<Object>` | `instanceOfPredicate(Class<?> type)` Factory to create the identity predicate.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### InstanceofPredicate

          public InstanceofPredicate(Class<?> type)

      Constructor that performs no validation. Use `instanceOfPredicate` if you want that.
      Parameters:
        `type` - the type to check for

  - ### Method Detail

    - #### instanceOfPredicate

          public static Predicate<Object> instanceOfPredicate(Class<?> type)

      Factory to create the identity predicate.
      Parameters:
        `type` - the type to check for, may not be null
      Returns:
        the predicate
      Throws:
        `IllegalArgumentException` - if the class is null

    - #### evaluate

          public boolean evaluate(Object object)

      Evaluates the predicate returning true if the input object is of the correct type.
      Specified by:
        `evaluate` in interface `Predicate<Object>`
      Parameters:
        `object` - the input object
      Returns:
        true if input is of stored type

    - #### getType

          public Class<?> getType()

      Gets the type to compare to.
      Returns:
        the type
      Since:
        3.1

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