Unified Two Phase Commit implementation, fixed BA to BI connection

[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / sal / binding / impl / util / ClassLoaderUtils.java

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/util/ClassLoaderUtils.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/util/ClassLoaderUtils.java
new file mode 100644 (file)
index 0000000..ccf99df
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/util/ClassLoaderUtils.java
@@ -0,0 +1,36 @@
+package org.opendaylight.controller.sal.binding.impl.util;
+
+
+
+import java.util.concurrent.Callable;
+
+import static com.google.common.base.Preconditions.*;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+
+import org.opendaylight.yangtools.yang.binding.Identifier;
+
+public class ClassLoaderUtils {
+    
+    public static <V> V withClassLoader(ClassLoader cls,Callable<V> function) throws Exception {
+        checkNotNull(cls);
+        checkNotNull(function);
+        ClassLoader oldCls = Thread.currentThread().getContextClassLoader();
+        try {
+            Thread.currentThread().setContextClassLoader(cls);
+            V result = function.call();
+            Thread.currentThread().setContextClassLoader(oldCls);
+            return result;
+        } catch (Exception e) {
+            Thread.currentThread().setContextClassLoader(oldCls);
+            throw new Exception(e);
+        }
+    }
+
+    public static Object construct(Constructor<? extends Object> constructor, ArrayList<Object> objects) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+    Object[] initargs = objects.toArray(new Object[]{});
+    return constructor.newInstance(initargs);
+    }
+}
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