François-Xavier Thomas
6 years ago
parent
b88bdb37c9
commit
76e8abd219
@ -0,0 +1,60 @@ |
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package org.airsonic.player.dao; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.jdbc.core.JdbcTemplate; |
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import org.springframework.jdbc.datasource.DataSourceUtils; |
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import javax.annotation.PreDestroy; |
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import javax.sql.DataSource; |
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import java.sql.Connection; |
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import java.sql.SQLException; |
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/** |
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* Special Dao Helper with additional features for managing the legacy embedded HSQL database. |
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*/ |
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public class LegacyHsqlDaoHelper extends GenericDaoHelper { |
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private static final Logger LOG = LoggerFactory.getLogger(LegacyHsqlDaoHelper.class); |
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public LegacyHsqlDaoHelper(DataSource dataSource) { |
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super(dataSource); |
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} |
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@Override |
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public boolean checkpoint() { |
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// HSQLDB (at least version 1) does not handle automatic checkpoints very well by default.
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// This makes sure the temporary log is actually written to more persistent storage.
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LOG.info("Database checkpoint in progress..."); |
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getJdbcTemplate().execute("CHECKPOINT DEFRAG"); |
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LOG.info("Database checkpoint complete."); |
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return true; |
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} |
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@PreDestroy |
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public void onDestroy() { |
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Connection conn = null; |
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try { |
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// Properly shutdown the embedded HSQLDB database.
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LOG.info("Database shutdown in progress..."); |
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JdbcTemplate jdbcTemplate = getJdbcTemplate(); |
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conn = DataSourceUtils.getConnection(jdbcTemplate.getDataSource()); |
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conn.setAutoCommit(true); |
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jdbcTemplate.execute("SHUTDOWN"); |
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LOG.info("Database shutdown complete."); |
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} catch (SQLException e) { |
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LOG.error("Database shutdown failed: " + e); |
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e.printStackTrace(); |
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} finally { |
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try { |
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if(conn != null) |
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conn.close(); |
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} catch(Exception ex) { |
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ex.printStackTrace(); |
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} |
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} |
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} |
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} |
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@ -1,55 +0,0 @@ |
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package org.airsonic.player.spring; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.context.ApplicationContext; |
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import org.springframework.jdbc.core.JdbcTemplate; |
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import org.springframework.jdbc.datasource.DataSourceUtils; |
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import javax.annotation.PreDestroy; |
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import javax.sql.DataSource; |
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import java.sql.Connection; |
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import java.sql.DatabaseMetaData; |
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import java.sql.SQLException; |
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public class TerminateBean { |
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private static final Logger LOG = LoggerFactory.getLogger(TerminateBean.class); |
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@Autowired |
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private ApplicationContext context; |
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@PreDestroy |
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public void onDestroy() { |
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Connection conn = null; |
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try { |
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// Connect to the database and retrieve the db name and version
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JdbcTemplate jdbcTemplate = new JdbcTemplate(this.context.getBean(DataSource.class)); |
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conn = DataSourceUtils.getConnection(jdbcTemplate.getDataSource()); |
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DatabaseMetaData meta = conn.getMetaData(); |
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String productName = meta.getDatabaseProductName(); |
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int productVersion = meta.getDatabaseMajorVersion(); |
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// Properly shutdown HSQLDB databases
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if (productName.equals("HSQL Database Engine") && (productVersion == 1 || productVersion == 2)) { |
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LOG.info("Database shutdown in progress..."); |
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conn.setAutoCommit(true); |
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jdbcTemplate.execute("SHUTDOWN"); |
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LOG.info("Database shutdown complete."); |
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} |
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} catch (SQLException e) { |
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e.printStackTrace(); |
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} finally { |
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try { |
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if(conn != null) |
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conn.close(); |
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} catch(Exception ex) { |
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ex.printStackTrace(); |
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} |
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} |
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} |
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} |
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