From 11948a0091be9574dddf744598dda55f8e9e4353 Mon Sep 17 00:00:00 2001
From: Thomas Oster <thomas.oster@rwth-aachen.de>
Date: Thu, 20 Dec 2012 09:26:55 +0100
Subject: [PATCH] DitheringAlgorithm has equals mehtod which respects
properties
---
.../dithering/DitheringAlgorithm.java | 39 +++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/src/com/t_oster/liblasercut/dithering/DitheringAlgorithm.java b/src/com/t_oster/liblasercut/dithering/DitheringAlgorithm.java
index c266f96..498cd5e 100644
--- a/src/com/t_oster/liblasercut/dithering/DitheringAlgorithm.java
+++ b/src/com/t_oster/liblasercut/dithering/DitheringAlgorithm.java
@@ -80,4 +80,43 @@ public abstract class DitheringAlgorithm extends TimeIntensiveOperation implemen
@Override
public abstract String toString();
+
+ @Override
+ public boolean equals(Object o)
+ {
+ if (o == null || !getClass().equals(o.getClass()))
+ {
+ return false;
+ }
+ final DitheringAlgorithm other = (DitheringAlgorithm) o;
+ String[] own = this.getPropertyKeys();
+ String[] ot = other.getPropertyKeys();
+ if (own.length != ot.length)
+ {
+ return false;
+ }
+ for (int i = 0; i < own.length; i++)
+ {
+ String key = own[i];
+ if (!key.equals(ot[i]))
+ {
+ return false;
+ }
+ else if (!getProperty(key).equals(other.getProperty(key)))
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ int hash = 7;
+ for (String key : this.getPropertyKeys())
+ {
+ hash += this.getProperty(key).hashCode();
+ }
+ return hash;
+ }
}
--
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