fix copyright header, javadoc, and warnings

plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxAttribute.java

@@ -1,5 +1,6 @@
 /*******************************************************************************
  * Copyright (c) 2012 IT Just working.
+ * Copyright (c) 2020 MINRES Technologies GmbH
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -16,37 +17,66 @@ import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.DataType;
 import com.minres.scviewer.database.tx.ITxAttribute;
 
-public class TxAttribute  implements ITxAttribute, Serializable {
-	
-	/**
-	 * 
-	 */
+/**
+ * The Class TxAttribute.
+ */
+public class TxAttribute implements ITxAttribute, Serializable {
+
+	/** The Constant serialVersionUID. */
 	private static final long serialVersionUID = 4767726016651807152L;
 
+	/** The attribute type. */
 	private final TxAttributeType attributeType;
 
+	/** The value. */
 	private final String value;
-	
-	TxAttribute(TxAttributeType type, String value){
-		this.attributeType=type;
-		this.value=value;
+
+	/**
+	 * Instantiates a new tx attribute.
+	 *
+	 * @param type  the type
+	 * @param value the value
+	 */
+	TxAttribute(TxAttributeType type, String value) {
+		this.attributeType = type;
+		this.value = value;
 	}
 
+	/**
+	 * Gets the name.
+	 *
+	 * @return the name
+	 */
 	@Override
 	public String getName() {
 		return attributeType.getName();
 	}
 
+	/**
+	 * Gets the type.
+	 *
+	 * @return the type
+	 */
 	@Override
 	public AssociationType getType() {
 		return attributeType.getType();
 	}
 
+	/**
+	 * Gets the data type.
+	 *
+	 * @return the data type
+	 */
 	@Override
 	public DataType getDataType() {
 		return attributeType.getDataType();
 	}
 
+	/**
+	 * Gets the value.
+	 *
+	 * @return the value
+	 */
 	@Override
 	public Object getValue() {
 		return value;