spring TransactionAttributeSourceEditor 源码
spring TransactionAttributeSourceEditor 代码
文件路径：/spring-tx/src/main/java/org/springframework/transaction/interceptor/TransactionAttributeSourceEditor.java
/*
* Copyright 2002-2012 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
*
* https://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.springframework.transaction.interceptor;
import java.beans.PropertyEditorSupport;
import java.util.Enumeration;
import java.util.Properties;
import org.springframework.beans.propertyeditors.PropertiesEditor;
import org.springframework.util.StringUtils;
/**
* Property editor that converts a String into a {@link TransactionAttributeSource}.
* The transaction attribute string must be parseable by the
* {@link TransactionAttributeEditor} in this package.
*
* <p>Strings are in property syntax, with the form:<br>
* {@code FQCN.methodName=<transaction attribute string>}
*
* <p>For example:<br>
* {@code com.mycompany.mycode.MyClass.myMethod=PROPAGATION_MANDATORY,ISOLATION_DEFAULT}
*
* <p><b>NOTE:</b> The specified class must be the one where the methods are
* defined; in case of implementing an interface, the interface class name.
*
* <p>Note: Will register all overloaded methods for a given name.
* Does not support explicit registration of certain overloaded methods.
* Supports "xxx*" mappings, e.g. "notify*" for "notify" and "notifyAll".
*
* @author Rod Johnson
* @author Juergen Hoeller
* @since 26.04.2003
* @see TransactionAttributeEditor
*/
public class TransactionAttributeSourceEditor extends PropertyEditorSupport {
@Override
public void setAsText(String text) throws IllegalArgumentException {
MethodMapTransactionAttributeSource source = new MethodMapTransactionAttributeSource();
if (StringUtils.hasLength(text)) {
// Use properties editor to tokenize the hold string.
PropertiesEditor propertiesEditor = new PropertiesEditor();
propertiesEditor.setAsText(text);
Properties props = (Properties) propertiesEditor.getValue();
// Now we have properties, process each one individually.
TransactionAttributeEditor tae = new TransactionAttributeEditor();
Enumeration<?> propNames = props.propertyNames();
while (propNames.hasMoreElements()) {
String name = (String) propNames.nextElement();
String value = props.getProperty(name);
// Convert value to a transaction attribute.
tae.setAsText(value);
TransactionAttribute attr = (TransactionAttribute) tae.getValue();
// Register name and attribute.
source.addTransactionalMethod(name, attr);
}
}
setValue(source);
}
}
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