spring CustomSQLExceptionTranslatorRegistrar 源码
spring CustomSQLExceptionTranslatorRegistrar 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/support/CustomSQLExceptionTranslatorRegistrar.java
/*
* Copyright 2002-2018 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.jdbc.support;
import java.util.HashMap;
import java.util.Map;
import org.springframework.beans.factory.InitializingBean;
/**
* Registry for custom {@link SQLExceptionTranslator} instances for specific databases.
*
* @author Thomas Risberg
* @since 3.1.1
*/
public class CustomSQLExceptionTranslatorRegistrar implements InitializingBean {
/**
* Map registry to hold custom translators specific databases.
* Key is the database product name as defined in the
* {@link org.springframework.jdbc.support.SQLErrorCodesFactory}.
*/
private final Map<String, SQLExceptionTranslator> translators = new HashMap<>();
/**
* Setter for a Map of {@link SQLExceptionTranslator} references where the key must
* be the database name as defined in the {@code sql-error-codes.xml} file.
* <p>Note that any existing translators will remain unless there is a match in the
* database name, at which point the new translator will replace the existing one.
*/
public void setTranslators(Map<String, SQLExceptionTranslator> translators) {
this.translators.putAll(translators);
}
@Override
public void afterPropertiesSet() {
this.translators.forEach((dbName, translator) ->
CustomSQLExceptionTranslatorRegistry.getInstance().registerTranslator(dbName, translator));
}
}
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