1 files changed, 8 insertions, 1 deletions
diff --git a/eaaf_core_api/src/main/java/at/gv/egiz/eaaf/core/impl/data/Pair.java b/eaaf_core_api/src/main/java/at/gv/egiz/eaaf/core/impl/data/Pair.java
index 01116d75..aabd7f00 100644
--- a/eaaf_core_api/src/main/java/at/gv/egiz/eaaf/core/impl/data/Pair.java
+++ b/eaaf_core_api/src/main/java/at/gv/egiz/eaaf/core/impl/data/Pair.java
@@ -20,12 +20,15 @@
 package at.gv.egiz.eaaf.core.impl.data;
 
 import java.io.Serializable;
+import java.text.MessageFormat;
 
 public class Pair<P1, P2> implements Serializable {
   private static final long serialVersionUID = 1022855782082259449L;
   private final P1 first;
   private final P2 second;
 
+  private static final String TO_STRING_PATTERN = "[{0}:{2} {1}:{3}]";
+
   private Pair(final P1 newFirst, final P2 newSecond) {
     this.first = newFirst;
     this.second = newSecond;
@@ -45,7 +48,11 @@ public class Pair<P1, P2> implements Serializable {
 
   @Override
   public String toString() {
-    return "[bPK-Value: " + getFirst() + " bPK-Type: " + getSecond() + "]";
+    return MessageFormat.format(TO_STRING_PATTERN,
+        this.first != null ? this.first.getClass().getSimpleName() : "null",
+        this.second != null ? this.second.getClass().getSimpleName() : "null",
+        this.first,
+        this.second);
 
   }
 }