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java.lang.Object org.springframework.jdbc.support.DatabaseStartupValidator
public class DatabaseStartupValidator
Bean that checks if a database has already started up. To be referenced via "depends-on" from beans that depend on database startup, like a Hibernate SessionFactory or custom data access objects that access a DataSource directly.
Useful to defer application initialization until a database has started up. Particularly appropriate for waiting on a slowly starting Oracle database.
Field Summary | |
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static int |
DEFAULT_INTERVAL
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static int |
DEFAULT_TIMEOUT
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protected org.apache.commons.logging.Log |
logger
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Constructor Summary | |
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DatabaseStartupValidator()
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Method Summary | |
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void |
afterPropertiesSet()
Check whether the validation query can be executed on a Connection from the specified DataSource, with the specified interval between checks, until the specified timeout. |
void |
setDataSource(DataSource dataSource)
Set the DataSource to validate. |
void |
setInterval(int interval)
Set the interval between validation runs (in seconds). |
void |
setTimeout(int timeout)
Set the timeout (in seconds) after which a fatal exception will be thrown. |
void |
setValidationQuery(String validationQuery)
Set the SQL query string to use for validation. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int DEFAULT_INTERVAL
public static final int DEFAULT_TIMEOUT
protected final org.apache.commons.logging.Log logger
Constructor Detail |
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public DatabaseStartupValidator()
Method Detail |
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public void setDataSource(DataSource dataSource)
public void setValidationQuery(String validationQuery)
public void setInterval(int interval)
public void setTimeout(int timeout)
public void afterPropertiesSet()
afterPropertiesSet
in interface InitializingBean
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