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体验新版 GitCode,发现更多精彩内容 >>
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c61d62ef
编写于
3月 18, 2014
作者:
S
Sam Brannen
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差异文件
Improve DataSourceInitializer Javadoc and implementation
上级
87e58a6d
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1
隐藏空白更改
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1 changed file
with
34 addition
and
20 deletion
+34
-20
spring-jdbc/src/main/java/org/springframework/jdbc/datasource/init/DataSourceInitializer.java
...framework/jdbc/datasource/init/DataSourceInitializer.java
+34
-20
未找到文件。
spring-jdbc/src/main/java/org/springframework/jdbc/datasource/init/DataSourceInitializer.java
浏览文件 @
c61d62ef
/*
* Copyright 2002-201
2
the original author or authors.
* Copyright 2002-201
4
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.
...
...
@@ -20,11 +20,15 @@ import javax.sql.DataSource;
import
org.springframework.beans.factory.DisposableBean
;
import
org.springframework.beans.factory.InitializingBean
;
import
org.springframework.util.Assert
;
/**
* Used to populate a database during initialization.
* Used to {@linkplain #setDatabasePopulator set up} a database during
* initialization and {@link #setDatabaseCleaner clean up} a database during
* destruction.
*
* @author Dave Syer
* @author Sam Brannen
* @since 3.0
* @see DatabasePopulator
*/
...
...
@@ -40,8 +44,9 @@ public class DataSourceInitializer implements InitializingBean, DisposableBean {
/**
* The {@link DataSource} to populate when this component is initialized.
* Mandatory with no default.
* The {@link DataSource} for the database to populate when this component
* is initialized and to clean up when this component is shut down.
* <p>This property is mandatory with no default provided.
* @param dataSource the DataSource
*/
public
void
setDataSource
(
DataSource
dataSource
)
{
...
...
@@ -49,49 +54,58 @@ public class DataSourceInitializer implements InitializingBean, DisposableBean {
}
/**
* The {@link DatabasePopulator} to use to populate the data source.
* Mandatory with no default.
* @param databasePopulator the database populator to use.
* Set the {@link DatabasePopulator} to execute during the bean initialization
* phase.
* @param databasePopulator the {@code DatabasePopulator} to use during
* initialization
* @see #setDatabaseCleaner
*/
public
void
setDatabasePopulator
(
DatabasePopulator
databasePopulator
)
{
this
.
databasePopulator
=
databasePopulator
;
}
/**
* Set a script execution to be run in the bean destruction callback,
* cleaning up the database and leaving it in a known state for others.
* @param databaseCleaner the database script executor to run on destroy
* Set the {@link DatabasePopulator} to execute during the bean destruction
* phase, cleaning up the database and leaving it in a known state for others.
* @param databaseCleaner the {@code DatabasePopulator} to use during destruction
* @see #setDatabasePopulator
*/
public
void
setDatabaseCleaner
(
DatabasePopulator
databaseCleaner
)
{
this
.
databaseCleaner
=
databaseCleaner
;
}
/**
* Flag to explicitly enable or disable the database populator.
* @param enabled true if the database populator will be called on startup
* Flag to explicitly enable or disable the {@linkplain #setDatabasePopulator
* database populator} and {@linkplain #setDatabaseCleaner database cleaner}.
* @param enabled {@code true} if the database populator and database cleaner
* should be called on startup and shutdown, respectively
*/
public
void
setEnabled
(
boolean
enabled
)
{
this
.
enabled
=
enabled
;
}
/**
* Use the populator to set up data in the data source.
* Use the {@linkplain #setDatabasePopulator database populator} to set up
* the database.
*/
@Override
public
void
afterPropertiesSet
()
{
if
(
this
.
databasePopulator
!=
null
&&
this
.
enabled
)
{
DatabasePopulatorUtils
.
execute
(
this
.
databasePopulator
,
this
.
dataSource
);
}
execute
(
this
.
databasePopulator
);
}
/**
* Use the populator to clean up data in the data source.
* Use the {@linkplain #setDatabaseCleaner database cleaner} to clean up the
* database.
*/
@Override
public
void
destroy
()
{
if
(
this
.
databaseCleaner
!=
null
&&
this
.
enabled
)
{
DatabasePopulatorUtils
.
execute
(
this
.
databaseCleaner
,
this
.
dataSource
);
execute
(
this
.
databaseCleaner
);
}
private
void
execute
(
DatabasePopulator
populator
)
{
Assert
.
state
(
dataSource
!=
null
,
"DataSource must be set"
);
if
(
this
.
enabled
&&
populator
!=
null
)
{
DatabasePopulatorUtils
.
execute
(
populator
,
this
.
dataSource
);
}
}
...
...
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