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Spring Framework example source code file (RollbackRuleAttribute.java)

This example Spring Framework source code file (RollbackRuleAttribute.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

cannot, illegalargumentexception, io, rollback_on_runtime_exceptions, rollback_on_runtime_exceptions, rollbackruleattribute, rollbackruleattribute, serializable, serializable, string, string, throwable

The Spring Framework RollbackRuleAttribute.java source code

 * Copyright 2002-2007 the original author or authors.
 * Licensed 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.springframework.transaction.interceptor;

import org.springframework.util.Assert;

import java.io.Serializable;

 * Rule determining whether or not a given exception (and any subclasses)
 * should cause a rollback.
 * <p>Multiple such rules can be applied to determine whether a transaction
 * should commit or rollback after an exception has been thrown.
 * @author Rod Johnson
 * @since 09.04.2003
 * @see NoRollbackRuleAttribute
public class RollbackRuleAttribute implements Serializable{

	 * The {@link RollbackRuleAttribute rollback rule} for
	 * {@link RuntimeException RuntimeExceptions}.
	public static final RollbackRuleAttribute ROLLBACK_ON_RUNTIME_EXCEPTIONS =
			new RollbackRuleAttribute(RuntimeException.class);

	 * Could hold exception, resolving class name but would always require FQN.
	 * This way does multiple string comparisons, but how often do we decide
	 * whether to roll back a transaction following an exception?
	private final String exceptionName;

	 * Create a new instance of the <code>RollbackRuleAttribute class.
	 * <p>This is the preferred way to construct a rollback rule that matches
	 * the supplied {@link Exception} class (and subclasses).
	 * @param clazz throwable class; must be {@link Throwable} or a subclass
	 * of <code>Throwable
	 * @throws IllegalArgumentException if the supplied <code>clazz is
	 * not a <code>Throwable type or is null
	public RollbackRuleAttribute(Class clazz) {
		Assert.notNull(clazz, "'clazz' cannot be null.");
		if (!Throwable.class.isAssignableFrom(clazz)) {
			throw new IllegalArgumentException(
					"Cannot construct rollback rule from [" + clazz.getName() + "]: it's not a Throwable");
		this.exceptionName = clazz.getName();

	 * Create a new instance of the <code>RollbackRuleAttribute class
	 * for the given <code>exceptionName.
	 * <p>This can be a substring, with no wildcard support at present. A value
	 * of "ServletException" would match
	 * <code>javax.servlet.ServletException and subclasses, for example.
	 * <p>NB: Consider carefully how specific the pattern is, and
	 * whether to include package information (which is not mandatory). For
	 * example, "Exception" will match nearly anything, and will probably hide
	 * other rules. "java.lang.Exception" would be correct if "Exception" was
	 * meant to define a rule for all checked exceptions. With more unusual
	 * exception names such as "BaseBusinessException" there's no need to use a
	 * fully package-qualified name.
	 * @param exceptionName the exception name pattern; can also be a fully
	 * package-qualified class name
	 * @throws IllegalArgumentException if the supplied
	 * <code>exceptionName is null or empty
	public RollbackRuleAttribute(String exceptionName) {
		Assert.hasText(exceptionName, "'exceptionName' cannot be null or empty.");
		this.exceptionName = exceptionName;

	 * Return the pattern for the exception name.
	public String getExceptionName() {
		return exceptionName;

	 * Return the depth of the superclass matching.
	 * <p>0 means ex matches exactly. Returns
	 * <code>-1 if there is no match. Otherwise, returns depth with the
	 * lowest depth winning.
	public int getDepth(Throwable ex) {
		return getDepth(ex.getClass(), 0);

	private int getDepth(Class exceptionClass, int depth) {
		if (exceptionClass.getName().indexOf(this.exceptionName) != -1) {
			// Found it!
			return depth;
		// If we've gone as far as we can go and haven't found it...
		if (exceptionClass.equals(Throwable.class)) {
			return -1;
		return getDepth(exceptionClass.getSuperclass(), depth + 1);

	public boolean equals(Object other) {
		if (this == other) {
			return true;
		if (!(other instanceof RollbackRuleAttribute)) {
			return false;
		RollbackRuleAttribute rhs = (RollbackRuleAttribute) other;
		return this.exceptionName.equals(rhs.exceptionName);
	public int hashCode() {
		return this.exceptionName.hashCode();

	public String toString() {
		return "RollbackRuleAttribute with pattern [" + this.exceptionName + "]";


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