add TreeMap facade

plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/EventList.java

@@ -0,0 +1,100 @@
+package com.minres.scviewer.database;
+
+import java.util.Collection;
+import java.util.Map.Entry;
+import java.util.NavigableMap;
+import java.util.TreeMap;
+
+public class EventList<K,V>  implements IEventList<K,V>{
+
+	NavigableMap<K,V> backing ;
+
+	public EventList() {
+		backing=new TreeMap<>();
+	}
+
+	public EventList(NavigableMap<K, V> subMap) {
+		backing=subMap;
+	}
+
+	@Override
+	public Entry<K, V> floorEntry(K key) {
+		return backing.floorEntry(key);
+	}
+
+	@Override
+	public Entry<K, V> ceilingEntry(K key) {
+		return backing.ceilingEntry(key);
+	}
+
+	@Override
+	public Entry<K, V> firstEntry() {
+		return  backing.firstEntry();
+	}
+
+	@Override
+	public Entry<K, V> lastEntry() {
+		return backing.lastEntry();
+	}
+
+	@Override
+	public V get(K key) {
+		return backing.get(key);
+	}
+
+	@Override
+	public Entry<K, V> higherEntry(K key) {
+		return backing.higherEntry(key);
+	}
+
+	@Override
+	public Entry<K, V> lowerEntry(K key) {
+		return backing.lowerEntry(key);
+	}
+
+	@Override
+	public IEventList<K, V> subMap(K key, boolean b, K key2, boolean c) {
+		return new EventList<K,V>( backing.subMap(key, b, key2, c));
+	}
+
+	@Override
+	public int size() {
+		return backing.size();
+	}
+
+	@Override
+	public Collection<K> keys() {
+		return backing.keySet();
+	}
+
+	@Override
+	public Collection<V> values() {
+		return backing.values();
+	}
+
+	@Override
+	public boolean containsKey(K key) {
+		return backing.containsKey(key);
+	}
+
+	@Override
+	public V put(K key, V value) {
+		return backing.put(key, value);
+	}
+
+	@Override
+	public Collection<Entry<K, V>> entrySet() {
+		return backing.entrySet();
+	}
+
+	@Override
+	public boolean isEmpty() {
+		return backing.isEmpty();
+	}
+
+	@Override
+	public K lastKey() {
+		return backing.lastKey();
+	}
+
+}

plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/IEventList.java

@@ -0,0 +1,40 @@
+package com.minres.scviewer.database;
+
+import java.util.Collection;
+import java.util.Map.Entry;
+
+public interface IEventList<K,V> {
+
+	Entry<K, V> floorEntry(K key);
+
+	Entry<K, V> ceilingEntry(K key);
+
+	Entry<K, V> firstEntry();
+
+	Entry<K, V> lastEntry();
+
+	V get(K key);
+
+	Entry<K, V> higherEntry(K key);
+
+	Entry<K, V> lowerEntry(K key);
+
+	IEventList<K, V> subMap(K key, boolean b, K key2, boolean c);
+
+	int size();
+
+	Collection<K> keys();
+	
+	Collection<V> values();
+
+	boolean containsKey(K key);
+
+	V put(K key, V value);
+
+	Collection<Entry<K, V>> entrySet();
+
+	boolean isEmpty();
+
+	K lastKey();
+
+}

plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/IWaveform.java

@@ -10,7 +10,6 @@
  *******************************************************************************/
 package com.minres.scviewer.database;
 
-import java.util.NavigableMap;
 
 // TODO: Auto-generated Javadoc
 /**
@@ -40,7 +39,7 @@ public interface IWaveform extends IHierNode {
 	 *
 	 * @return the events
 	 */
-	public NavigableMap<Long, IEvent[]> getEvents();
+	public IEventList<Long, IEvent[]> getEvents();
 
 	/**
 	 * Gets the events at time.