[New] TimeValue and its implementations are now Comparable

li.strolch.model/src/main/java/li/strolch/model/timevalue/IValue.java

@@ -24,7 +24,7 @@ package li.strolch.model.timevalue;
  *
  * @author Martin Smock <smock.martin@gmail.com>
  */
-public interface IValue<T> {
+public interface IValue<T> extends Comparable<IValue<T>> {
 
 	/**
 	 * @return the type of this {@link IValue}

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/BooleanValue.java

@@ -115,4 +115,9 @@ public class BooleanValue implements IValue<Boolean>, Serializable {
 		}
 		return true;
 	}
+
+	@Override
+	public int compareTo(IValue<Boolean> o) {
+		return Boolean.compare(this.value, o.getValue());
+	}
 }

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/FloatListValue.java

@@ -153,4 +153,11 @@ public class FloatListValue implements IValue<List<Double>>, Serializable {
 		return true;
 	}
 
+	@Override
+	public int compareTo(IValue<List<Double>> o) {
+		List<Double> otherValues = o.getValue();
+		if (this.value.equals(otherValues))
+			return 0;
+		return Integer.compare(this.value.size(), otherValues.size());
+	}
 }

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/FloatValue.java

@@ -125,4 +125,8 @@ public class FloatValue implements IValue<Double>, Serializable {
 		return true;
 	}
 
+	@Override
+	public int compareTo(IValue<Double> o) {
+		return Double.compare(this.value, o.getValue());
+	}
 }

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/IntegerValue.java

@@ -116,4 +116,8 @@ public class IntegerValue implements IValue<Integer>, Serializable {
 		return true;
 	}
 
+	@Override
+	public int compareTo(IValue<Integer> o) {
+		return Integer.compare(this.value, o.getValue());
+	}
 }

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/LongValue.java

@@ -116,4 +116,8 @@ public class LongValue implements IValue<Long>, Serializable {
 		return true;
 	}
 
+	@Override
+	public int compareTo(IValue<Long> o) {
+		return Long.compare(this.value, o.getValue());
+	}
 }

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/StringSetValue.java

@@ -141,4 +141,12 @@ public class StringSetValue implements IValue<Set<AString>>, Serializable {
 		sb.append("]");
 		return sb.toString();
 	}
+
+	@Override
+	public int compareTo(IValue<Set<AString>> o) {
+		Set<AString> otherValues = o.getValue();
+		if (this.aStrings.equals(otherValues))
+			return 0;
+		return Integer.compare(this.aStrings.size(), otherValues.size());
+	}
 }

li.strolch.model/src/main/java/li/strolch/model/timevalue/impl/TimeValue.java

@@ -31,7 +31,9 @@ public class TimeValue<T extends IValue> implements ITimeValue<T>, Serializable
 
 	/**
 	 * @param time
+	 * 		the time for this value
 	 * @param value
+	 * 		the actual value for this value
 	 */
 	public TimeValue(final Long time, final T value) {
 		this.time = time;
@@ -41,7 +43,7 @@ public class TimeValue<T extends IValue> implements ITimeValue<T>, Serializable
 	@Override
 	@SuppressWarnings("unchecked")
 	public T getValue() {
-		return (T) this.value.getCopy();
+		return this.value == null ? null : (T) this.value.getCopy();
 	}
 
 	@Override
@@ -62,9 +64,19 @@ public class TimeValue<T extends IValue> implements ITimeValue<T>, Serializable
 		return this;
 	}
 
+	@SuppressWarnings("unchecked")
 	@Override
 	public int compareTo(final ITimeValue<T> arg0) {
-		return this.getTime().compareTo(arg0.getTime());
+		int i = getTime().compareTo(arg0.getTime());
+		if (i != 0)
+			return i;
+		if (this.value == null && arg0.getValue() == null)
+			return 0;
+		if (this.value == null)
+			return -1;
+		if (arg0.getValue() == null)
+			return 1;
+		return getValue().compareTo(arg0.getValue());
 	}
 
 	@SuppressWarnings("unchecked")