fixed minor warnings

Author: mgeipel

src/main/java/org/culturegraph/mf/framework/DefaultSender.java

@@ -35,7 +35,7 @@ public class DefaultSender<T extends LifeCycle> implements Sender<T> {
 	private T receiver;
 	private boolean isClosed;
 
-	public boolean isClosed() {
+	public final boolean isClosed() {
 		return isClosed;
 	}
 

src/main/java/org/culturegraph/mf/util/tries/ACNode.java

@@ -13,69 +13,69 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package org.culturegraph.mf.util.tries;
-
-import java.util.Collection;
-import java.util.Map.Entry;
-import java.util.Set;
-
-
-/**
- * @author Markus Michael Geipel
- *
- * @param <P>
- */
-final public class ACNode<P> {
-	private P value;
-	private final CharMap<ACNode<P>> links = new CharMap<ACNode<P>>();
-	private ACNode<P> failure;
-	private final int depth;
-	
-	public ACNode(final P value, final int depth) {
-		this.value = value;
-		this.depth = depth;
-	}
-	
-	public ACNode<P> addNext(final char key){
-		return addNext(key, null);
-	}
-	
-	public ACNode<P> addNext(final char key, final P value){
-		final ACNode<P> next = new ACNode<P>(value, depth+1);
-		links.put(key, next);
-		return next;
-	}
-	
-	public void setValue(final P value) {
-		this.value = value;
-	}
-	
-	public P getValue(){
-		return value;
-	}
-	
-	public ACNode<P> getNext(final char key){
-		return links.get(key);
-	}
-
-	public ACNode<P> getFailure() {
-		return failure;
-	}
-
-	public void setFailure(final ACNode<P> failure) {
-		this.failure = failure;
-	}
-	
-	public int getDepth() {
-		return depth;
-	}
-
-	public Collection<ACNode<P>> getNext(){
-		return links.values();
-	}
-
-	public Set<Entry<Character, ACNode<P>>> getLinks() {
-		return links.entrySet();
-	}
-	
-}
+package org.culturegraph.mf.util.tries;
+
+import java.util.Collection;
+import java.util.Map.Entry;
+import java.util.Set;
+
+
+/**
+ * @author Markus Michael Geipel
+ *
+ * @param <P>
+ */
+public final class ACNode<P> {
+	private P value;
+	private final CharMap<ACNode<P>> links = new CharMap<ACNode<P>>();
+	private ACNode<P> failure;
+	private final int depth;
+	
+	public ACNode(final P value, final int depth) {
+		this.value = value;
+		this.depth = depth;
+	}
+	
+	public ACNode<P> addNext(final char key){
+		return addNext(key, null);
+	}
+	
+	public ACNode<P> addNext(final char key, final P value){
+		final ACNode<P> next = new ACNode<P>(value, depth+1);
+		links.put(key, next);
+		return next;
+	}
+	
+	public void setValue(final P value) {
+		this.value = value;
+	}
+	
+	public P getValue(){
+		return value;
+	}
+	
+	public ACNode<P> getNext(final char key){
+		return links.get(key);
+	}
+
+	public ACNode<P> getFailure() {
+		return failure;
+	}
+
+	public void setFailure(final ACNode<P> failure) {
+		this.failure = failure;
+	}
+	
+	public int getDepth() {
+		return depth;
+	}
+
+	public Collection<ACNode<P>> getNext(){
+		return links.values();
+	}
+
+	public Set<Entry<Character, ACNode<P>>> getLinks() {
+		return links.entrySet();
+	}
+	
+}