Added equals implementation to FeedComponent

fixes #488

Items of removed feed weren't properly removed from queue

src/de/danoeh/antennapod/feed/FeedComponent.java

@@ -2,43 +2,43 @@ package de.danoeh.antennapod.feed;
 
 /**
  * Represents every possible component of a feed
- * @author daniel
  *
+ * @author daniel
  */
 public abstract class FeedComponent {
 
-	protected long id;
+    protected long id;
 
-	public FeedComponent() {
-		super();
-	}
+    public FeedComponent() {
+        super();
+    }
 
-	public long getId() {
-		return id;
-	}
+    public long getId() {
+        return id;
+    }
 
-	public void setId(long id) {
-		this.id = id;
-	}
+    public void setId(long id) {
+        this.id = id;
+    }
 
-	/**
-	 * Update this FeedComponent's attributes with the attributes from another
-	 * FeedComponent. This method should only update attributes which where read from
-	 * the feed.
-	 */
-	public void updateFromOther(FeedComponent other) {
-	}
+    /**
+     * Update this FeedComponent's attributes with the attributes from another
+     * FeedComponent. This method should only update attributes which where read from
+     * the feed.
+     */
+    public void updateFromOther(FeedComponent other) {
+    }
 
-	/**
-	 * Compare's this FeedComponent's attribute values with another FeedComponent's
-	 * attribute values. This method will only compare attributes which were
-	 * read from the feed.
-	 * 
-	 * @return true if attribute values are different, false otherwise
-	 */
-	public boolean compareWithOther(FeedComponent other) {
-		return false;
-	}
+    /**
+     * Compare's this FeedComponent's attribute values with another FeedComponent's
+     * attribute values. This method will only compare attributes which were
+     * read from the feed.
+     *
+     * @return true if attribute values are different, false otherwise
+     */
+    public boolean compareWithOther(FeedComponent other) {
+        return false;
+    }
 
 
     /**
@@ -47,4 +47,20 @@ public abstract class FeedComponent {
      */
     public abstract String getHumanReadableIdentifier();
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        FeedComponent that = (FeedComponent) o;
+
+        if (id != that.id) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return (int) (id ^ (id >>> 32));
+    }
 }