Package org.onlab.util

Class Match<T>

  • Type Parameters:
    T - type of value
    public final class Match<T>
extends java.lang.Object
    Utility class for checking matching values.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static <T> Match<T> any()
      Returns a Match that matches any value including null.
      boolean equals​(java.lang.Object other)  
      int hashCode()  
      static <T> Match<T> ifNotNull()
      Returns a Match that matches all non-null values.
      static <T> Match<T> ifNotValue​(T value)
      Returns a Match that matches any value except the specified value.
      static <T> Match<T> ifNull()
      Returns a Match that matches null values.
      static <T> Match<T> ifValue​(T value)
      Returns a Match that only matches the specified value.
      <V> Match<V> map​(java.util.function.Function<T,​V> mapper)
      Maps this instance to a Match of another type.
      boolean matches​(T other)
      Checks if this instance matches specified value.
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • ANY

        public static final Match ANY

      • NULL

        public static final Match NULL

      • NOT_NULL

        public static final Match NOT_NULL

    • Method Detail

      • any

        public static <T> Match<T> any()
        Returns a Match that matches any value including null.
        Type Parameters:
        T - match type
        Returns:
        new instance

      • ifNull

        public static <T> Match<T> ifNull()
        Returns a Match that matches null values.
        Type Parameters:
        T - match type
        Returns:
        new instance

      • ifNotNull

        public static <T> Match<T> ifNotNull()
        Returns a Match that matches all non-null values.
        Type Parameters:
        T - match type
        Returns:
        new instance

      • ifValue

        public static <T> Match<T> ifValue​(T value)
        Returns a Match that only matches the specified value.
        Type Parameters:
        T - match type
        Parameters:
        value - value to match
        Returns:
        new instance

      • ifNotValue

        public static <T> Match<T> ifNotValue​(T value)
        Returns a Match that matches any value except the specified value.
        Type Parameters:
        T - match type
        Parameters:
        value - value to not match
        Returns:
        new instance

      • map

        public <V> Match<V> map​(java.util.function.Function<T,​V> mapper)
        Maps this instance to a Match of another type.
        Type Parameters:
        V - new match type
        Parameters:
        mapper - transformation function
        Returns:
        new instance

      • matches

        public boolean matches​(T other)
        Checks if this instance matches specified value.
        Parameters:
        other - other value
        Returns:
        true if matches; false otherwise

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • equals

        public boolean equals​(java.lang.Object other)
        Overrides:
        equals in class java.lang.Object

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object