spring DelegatingTransactionDefinition 源码
spring DelegatingTransactionDefinition 代码
文件路径：/spring-tx/src/main/java/org/springframework/transaction/support/DelegatingTransactionDefinition.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.support;
import java.io.Serializable;
import org.springframework.lang.Nullable;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.util.Assert;
/**
* {@link TransactionDefinition} implementation that delegates all calls to a given target
* {@link TransactionDefinition} instance. Abstract because it is meant to be subclassed,
* with subclasses overriding specific methods that are not supposed to simply delegate
* to the target instance.
*
* @author Juergen Hoeller
* @since 3.0
*/
@SuppressWarnings("serial")
public abstract class DelegatingTransactionDefinition implements TransactionDefinition, Serializable {
private final TransactionDefinition targetDefinition;
/**
* Create a DelegatingTransactionAttribute for the given target attribute.
* @param targetDefinition the target TransactionAttribute to delegate to
*/
public DelegatingTransactionDefinition(TransactionDefinition targetDefinition) {
Assert.notNull(targetDefinition, "Target definition must not be null");
this.targetDefinition = targetDefinition;
}
@Override
public int getPropagationBehavior() {
return this.targetDefinition.getPropagationBehavior();
}
@Override
public int getIsolationLevel() {
return this.targetDefinition.getIsolationLevel();
}
@Override
public int getTimeout() {
return this.targetDefinition.getTimeout();
}
@Override
public boolean isReadOnly() {
return this.targetDefinition.isReadOnly();
}
@Override
@Nullable
public String getName() {
return this.targetDefinition.getName();
}
@Override
public boolean equals(@Nullable Object other) {
return this.targetDefinition.equals(other);
}
@Override
public int hashCode() {
return this.targetDefinition.hashCode();
}
@Override
public String toString() {
return this.targetDefinition.toString();
}
}
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