# HG changeset patch
# User František Kučera <franta-hg@frantovo.cz>
# Date 1439637686 -7200
# Node ID 39d154429f7ab17bc01f5ff58fd43635a05df71b
# Parent  d154d6012cbe49c70c9e49b3fe4000853fa21bc2
getClassHierarchy function

diff -r d154d6012cbe -r 39d154429f7a java/sql-dk/src/info/globalcode/sql/dk/Functions.java
--- a/java/sql-dk/src/info/globalcode/sql/dk/Functions.java	Sat Aug 15 11:52:38 2015 +0200
+++ b/java/sql-dk/src/info/globalcode/sql/dk/Functions.java	Sat Aug 15 13:21:26 2015 +0200
@@ -24,9 +24,13 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
+import java.util.ArrayDeque;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Deque;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -164,4 +168,21 @@
 			return result.toString();
 		}
 	}
+
+	/**
+	 * @param <P> type of the last parent
+	 * @param <T> type of the examined class
+	 * @param type examined class
+	 * @param lastParent the last parent type to stop at
+	 * @return list of types starting with <code>type</code> and ending with <code>lastParent</code>
+	 */
+	public static <P, T extends P> List<Class<? extends P>> getClassHierarchy(Class<T> type, Class<P> lastParent) {
+		List<Class<? extends P>> hierarchy = new ArrayList<>();
+
+		for (Class current = type; current != null && lastParent.isAssignableFrom(current); current = current.getSuperclass()) {
+			hierarchy.add(current);
+		}
+
+		return hierarchy;
+	}
 }
diff -r d154d6012cbe -r 39d154429f7a java/sql-dk/test/info/globalcode/sql/dk/FunctionsTest.java
--- a/java/sql-dk/test/info/globalcode/sql/dk/FunctionsTest.java	Sat Aug 15 11:52:38 2015 +0200
+++ b/java/sql-dk/test/info/globalcode/sql/dk/FunctionsTest.java	Sat Aug 15 13:21:26 2015 +0200
@@ -19,6 +19,7 @@
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import static org.testng.Assert.*;
 import org.testng.annotations.*;
 
@@ -74,4 +75,22 @@
 		assertEquals(Functions.repeat('f', 0), "");
 		assertEquals(Functions.repeat('f', 3), "fff");
 	}
+
+	@Test
+	public void testGetClassHierarchy() {
+		List<Class<? extends HierarchyMockClass2>> hierarchy = Functions.getClassHierarchy(HierarchyMockClass0.class, HierarchyMockClass2.class);
+		assertEquals(hierarchy.size(), 3, "invalid number of classes in the hierarchy");
+		assertEquals(hierarchy.get(0), HierarchyMockClass0.class);
+		assertEquals(hierarchy.get(1), HierarchyMockClass1.class);
+		assertEquals(hierarchy.get(2), HierarchyMockClass2.class);
+	}
+
+	private static class HierarchyMockClass0 extends HierarchyMockClass1 {
+	}
+
+	private static class HierarchyMockClass1 extends HierarchyMockClass2 {
+	}
+
+	private static class HierarchyMockClass2 {
+	}
 }