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    • com.netflix.infix.NullValuePredicate Maven / Gradle / Ivy

    There is a newer version: 0.40.13
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    package com.netflix.infix;


/**
 * This predicate returns true if its input is null. That is, it identifies
 * null object. 
 *
 */
final public class NullValuePredicate implements ValuePredicate {

    private static final byte KEY = 0x00;
	
	private NullValuePredicate(){}
	
	@Override
    public boolean apply(final Object input) {
	    return input == null;
    }
	
	public static final NullValuePredicate INSTANCE = new NullValuePredicate();

	@Override
    public String toString() {
	    StringBuilder builder = new StringBuilder();
	    builder.append("NullValuePredicate []");
	    return builder.toString();
    }

	@Override
    public final int hashCode() {
	    return KEY;
    }

	@Override
    public final boolean equals(Object obj) {
	   return obj instanceof NullValuePredicate;
    }
	
	
}
    
    
    
    

    




    
    
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