*/
package org.opendaylight.mdsal.binding.javav2.runtime.javassist;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.annotations.Beta;
import com.google.common.base.Preconditions;
import java.util.Collection;
private final ClassPool classPool;
private JavassistUtils(final ClassPool pool) {
- classPool = Preconditions.checkNotNull(pool);
+ classPool = requireNonNull(pool);
}
/**
* @return shared utility instance for specified pool
*/
public static synchronized JavassistUtils forClassPool(final ClassPool pool) {
- JavassistUtils ret = INSTANCES.get(Preconditions.checkNotNull(pool));
+ JavassistUtils ret = INSTANCES.get(requireNonNull(pool));
if (ret == null) {
ret = new JavassistUtils(pool);
INSTANCES.put(pool, ret);