AdviceElementImpl.java

package com.netflix.governator.providers;

import java.lang.annotation.Annotation;
import java.util.concurrent.atomic.AtomicInteger;

class AdviceElementImpl implements AdviceElement {
    private static final AtomicInteger counter = new AtomicInteger();
    private final int id = counter.incrementAndGet();
    private final String name;
    private final Type type;
    private final int order;
    
    public AdviceElementImpl(String name, Type type, int order) {
        this.name = name;
        this.type = type;
        this.order = order;
    }
    
    @Override
    public Class<? extends Annotation> annotationType() {
        return AdviceElement.class;
    }
    
    public int getOrder() {
        return order;
    }

    @Override
    public int uniqueId() {
        return id;
    }
    
    @Override
    public String name() {
        return name;
    }

    @Override
    public Type type() {
        return type;
    }
    
    @Override
    public boolean equals(Object o) {
        return o instanceof AdviceElement
                && ((AdviceElement) o).name().equals(name())
                && ((AdviceElement) o).uniqueId() == uniqueId()
                && ((AdviceElement) o).type() == type();
    }
    
    @Override
    public int hashCode() {
        return ((127 * "name".hashCode()) ^ name().hashCode())
             + ((127 * "id".hashCode()) ^ uniqueId())
             + ((127 * "type".hashCode()) ^ type.hashCode());
    }
    public String toString() {
        return "@" + getClass().getSimpleName()
            + "(name=" + name() 
            + ", type=" + type() 
            + ", id=" + uniqueId() + ")";
    }
}