| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.cache.jta.reflect; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import javax.transaction.TransactionManager; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.cache.jta.CacheTmLookup; |
| import org.apache.ignite.internal.util.typedef.internal.A; |
| |
| /** |
| * Implementation of {@link org.apache.ignite.cache.jta.CacheTmLookup} interface that attempts to obtain |
| * JTA manager by calling static method on the class. |
| */ |
| public class CacheReflectionTmLookup implements CacheTmLookup { |
| /** */ |
| private String cls; |
| |
| /** */ |
| private String mtd; |
| |
| /** |
| * Creates uninitialized reflection TM lookup. |
| */ |
| public CacheReflectionTmLookup() { /* No-op. */ } |
| |
| /** |
| * Creates generic TM lookup with given class and method name. |
| * |
| * @param cls Class name. |
| * @param mtd Method name on that the class. |
| */ |
| public CacheReflectionTmLookup(String cls, String mtd) { |
| A.notNull(cls, "cls"); |
| A.notNull(mtd, "mtd"); |
| |
| this.cls = cls; |
| this.mtd = mtd; |
| } |
| |
| /** |
| * Gets class name to use. |
| * |
| * @return Class name to use. |
| */ |
| public String getClassName() { |
| return cls; |
| } |
| |
| /** |
| * Sets class name to use. |
| * |
| * @param cls Class name to use. |
| */ |
| public void setClassName(String cls) { |
| A.notNull(cls, "cls"); |
| |
| this.cls = cls; |
| } |
| |
| /** |
| * Gets method name. |
| * |
| * @return Method name to use. |
| */ |
| public String getMethodName() { |
| return mtd; |
| } |
| |
| /** |
| * Sets method name. |
| * |
| * @param mtd Method name to use. |
| */ |
| public void setMethodName(String mtd) { |
| A.notNull(mtd, "mtd"); |
| |
| this.mtd = mtd; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public TransactionManager getTm() throws IgniteException { |
| assert cls != null; |
| assert mtd != null; |
| |
| try { |
| return (TransactionManager)Class.forName(cls).getMethod(mtd).invoke(null); |
| } |
| catch (ClassNotFoundException e) { |
| throw new IgniteException("Failed to find class: " + cls, e); |
| } |
| catch (NoSuchMethodException e) { |
| throw new IgniteException("Failed to find method: " + mtd, e); |
| } |
| catch (InvocationTargetException | IllegalAccessException e) { |
| throw new IgniteException("Failed to invoke method: " + mtd, e); |
| } |
| } |
| } |