org.springframework.transaction.interceptor.AttributesTransactionAttributeSource Maven / Gradle / Ivy
/*
* Copyright 2002-2006 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,
* 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.lang.reflect.Method;
import java.util.Collection;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.metadata.Attributes;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;
/**
* Implementation of the TransactionAttributeSource interface that
* reads metadata via Spring's Attributes abstraction.
*
* Typically used for reading in source-level attributes via
* Commons Attributes.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @see org.springframework.metadata.Attributes
* @see org.springframework.metadata.commons.CommonsAttributes
*/
public class AttributesTransactionAttributeSource extends AbstractFallbackTransactionAttributeSource
implements InitializingBean {
/**
* Underlying Attributes implementation that we're using.
*/
private Attributes attributes;
/**
* Create a new AttributesTransactionAttributeSource.
* @see #setAttributes
*/
public AttributesTransactionAttributeSource() {
}
/**
* Create a new AttributesTransactionAttributeSource.
* @param attributes the Attributes implementation to use
* @see org.springframework.metadata.commons.CommonsAttributes
*/
public AttributesTransactionAttributeSource(Attributes attributes) {
if (attributes == null) {
throw new IllegalArgumentException("Attributes is required");
}
this.attributes = attributes;
}
/**
* Set the Attributes implementation to use.
* @see org.springframework.metadata.commons.CommonsAttributes
*/
public void setAttributes(Attributes attributes) {
this.attributes = attributes;
}
public void afterPropertiesSet() {
if (this.attributes == null) {
throw new IllegalArgumentException("'attributes' is required");
}
}
protected Collection findAllAttributes(Class clazz) {
Assert.notNull(this.attributes, "'attributes' is required");
return this.attributes.getAttributes(clazz);
}
protected Collection findAllAttributes(Method method) {
Assert.notNull(this.attributes, "'attributes' is required");
return this.attributes.getAttributes(method);
}
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof AttributesTransactionAttributeSource)) {
return false;
}
AttributesTransactionAttributeSource otherTas = (AttributesTransactionAttributeSource) other;
return ObjectUtils.nullSafeEquals(this.attributes, otherTas.attributes);
}
public int hashCode() {
return AttributesTransactionAttributeSource.class.hashCode();
}
}