#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/el/ElComparatorCompound.java

@@ -0,0 +1,44 @@
+package io.ebeaninternal.server.el;
+
+import java.util.Comparator;
+
+/**
+ * Comparator based on multiple ordered comparators.
+ * <p>
+ * eg.  "name, orderDate desc, id"
+ * </p>
+ */
+public final class ElComparatorCompound<T> implements Comparator<T>, ElComparator<T> {
+
+  private final ElComparator<T>[] array;
+
+  public ElComparatorCompound(ElComparator<T>[] array) {
+    this.array = array;
+  }
+
+  public int compare(T o1, T o2) {
+
+    for (ElComparator<T> anArray : array) {
+      int ret = anArray.compare(o1, o2);
+      if (ret != 0) {
+        return ret;
+      }
+    }
+
+    return 0;
+  }
+
+  public int compareValue(Object value, T o2) {
+
+    for (ElComparator<T> anArray : array) {
+      int ret = anArray.compareValue(value, o2);
+      if (ret != 0) {
+        return ret;
+      }
+    }
+
+    return 0;
+  }
+
+
+}