From 338b2b16b6934d27dc4cd536fb5527b71985de4f Mon Sep 17 00:00:00 2001
From: bjculkin <bjculkin@mix.wvu.edu>
Date: Fri, 17 Mar 2017 19:46:55 -0400
Subject: Add more toString/hashCode/equals

---
 .../main/java/bjc/utils/esodata/TapeChanger.java   | 53 +++++++++++++++++++---
 1 file changed, 47 insertions(+), 6 deletions(-)

(limited to 'BJC-Utils2/src/main/java/bjc/utils/esodata/TapeChanger.java')

diff --git a/BJC-Utils2/src/main/java/bjc/utils/esodata/TapeChanger.java b/BJC-Utils2/src/main/java/bjc/utils/esodata/TapeChanger.java
index fa3e61c..64c0460 100644
--- a/BJC-Utils2/src/main/java/bjc/utils/esodata/TapeChanger.java
+++ b/BJC-Utils2/src/main/java/bjc/utils/esodata/TapeChanger.java
@@ -9,7 +9,7 @@ package bjc.utils.esodata;
  * If there is no tape currently loaded into the changer, all the methods will
  * either return null/false.
  *
- * @param T
+ * @param <T>
  *                The element type of the tapes.
  */
 public class TapeChanger<T> implements Tape<T> {
@@ -26,9 +26,9 @@ public class TapeChanger<T> implements Tape<T> {
 	/**
 	 * Create a new tape changer with the specified tapes.
 	 *
-	 * The first tape in the list will be mounted.
-	 *
-	 * @param taps
+	 * @param current
+	 *                The tape to mount first.
+	 * @param others
 	 *                The tapes to put in this tape changer.
 	 */
 	@SafeVarargs
@@ -275,8 +275,8 @@ public class TapeChanger<T> implements Tape<T> {
 	 *
 	 * The specified tape is loaded.
 	 *
-	 * @param The
-	 *                tape to insert and load.
+	 * @param tp
+	 *                The tape to insert and load.
 	 */
 	public void insertTape(Tape<T> tp) {
 		tapes.insertAfter(tp);
@@ -320,4 +320,45 @@ public class TapeChanger<T> implements Tape<T> {
 	public int tapeCount() {
 		return tapes.size();
 	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		
+		builder.append("TapeChanger [tapes=");
+		builder.append(tapes);
+		builder.append(", currentTape=");
+		builder.append(currentTape);
+		builder.append("]");
+	
+		return builder.toString();
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((currentTape == null) ? 0 : currentTape.hashCode());
+		result = prime * result + ((tapes == null) ? 0 : tapes.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if(this == obj) return true;
+		if(obj == null) return false;
+		if(getClass() != obj.getClass()) return false;
+		
+		TapeChanger<?> other = (TapeChanger<?>) obj;
+		
+		if(currentTape == null) {
+			if(other.currentTape != null) return false;
+		} else if(!currentTape.equals(other.currentTape)) return false;
+		
+		if(tapes == null) {
+			if(other.tapes != null) return false;
+		} else if(!tapes.equals(other.tapes)) return false;
+	
+		return true;
+	}
 }
-- 
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