killbill-uncached

Add C3P0 DataSource for plugins

3/6/2013 10:26:07 PM

Details

diff --git a/osgi/src/main/java/com/ning/billing/osgi/glue/OSGIDataSourceProvider.java b/osgi/src/main/java/com/ning/billing/osgi/glue/OSGIDataSourceProvider.java
index 673aae3..455ff51 100644
--- a/osgi/src/main/java/com/ning/billing/osgi/glue/OSGIDataSourceProvider.java
+++ b/osgi/src/main/java/com/ning/billing/osgi/glue/OSGIDataSourceProvider.java
@@ -22,35 +22,146 @@ import javax.inject.Inject;
 import javax.inject.Provider;
 import javax.sql.DataSource;
 
+import org.skife.config.TimeSpan;
+import org.skife.jdbi.v2.DBI;
+import org.skife.jdbi.v2.TimingCollector;
+import org.skife.jdbi.v2.tweak.SQLLog;
+import org.skife.jdbi.v2.tweak.TransactionHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.ning.billing.util.dao.DateTimeArgumentFactory;
+import com.ning.billing.util.dao.DateTimeZoneArgumentFactory;
+import com.ning.billing.util.dao.EnumArgumentFactory;
+import com.ning.billing.util.dao.LocalDateArgumentFactory;
+import com.ning.billing.util.dao.UUIDArgumentFactory;
+import com.ning.billing.util.dao.UuidMapper;
+
 import com.jolbox.bonecp.BoneCPConfig;
 import com.jolbox.bonecp.BoneCPDataSource;
+import com.mchange.v2.c3p0.ComboPooledDataSource;
+import com.yammer.metrics.core.MetricsRegistry;
 
 public class OSGIDataSourceProvider implements Provider<DataSource> {
 
-    private final BoneCPConfig config;
+    private final OSGIDataSourceConfig config;
+    private final String jdbcUri;
+    private final String userName;
+    private final String userPwd;
+
+    private SQLLog sqlLog;
 
     @Inject
     public OSGIDataSourceProvider(final OSGIDataSourceConfig config) {
-        this.config = createConfig(config.getJdbcUrl(), config.getUsername(), config.getPassword());
+        this.config = config;
+        this.jdbcUri = config.getJdbcUrl();
+        this.userName = config.getUsername();
+        this.userPwd = config.getPassword();
+    }
+
+
+    @com.google.inject.Inject(optional = true)
+    public void setSqlLog(final SQLLog sqlLog) {
+        this.sqlLog = sqlLog;
     }
 
     @Override
     public DataSource get() {
-        return new BoneCPDataSource(config);
+        final DataSource ds = getDataSource();
+
+        final DBI dbi = new DBI(ds);
+        dbi.registerArgumentFactory(new UUIDArgumentFactory());
+        dbi.registerArgumentFactory(new DateTimeZoneArgumentFactory());
+        dbi.registerArgumentFactory(new DateTimeArgumentFactory());
+        dbi.registerArgumentFactory(new LocalDateArgumentFactory());
+        dbi.registerArgumentFactory(new EnumArgumentFactory());
+        dbi.registerMapper(new UuidMapper());
+
+        if (sqlLog != null) {
+            dbi.setSQLLog(sqlLog);
+        }
+        return ds;
+    }
+
+    private DataSource getDataSource() {
+        final DataSource ds;
+
+        // TODO PIERRE DaoConfig is in the skeleton
+        final String dataSource = System.getProperty("com.ning.jetty.jdbi.datasource", "c3p0");
+        if (dataSource.equals("c3p0")) {
+            ds = getC3P0DataSource();
+        } else if (dataSource.equals("bonecp")) {
+            ds = getBoneCPDatSource();
+        } else {
+            throw new IllegalArgumentException("DataSource " + dataSource + " unsupported");
+        }
+
+        return ds;
     }
 
-    private BoneCPConfig createConfig(final String dbiString, final String userName, final String pwd) {
+    private DataSource getBoneCPDatSource() {
         final BoneCPConfig dbConfig = new BoneCPConfig();
-        dbConfig.setJdbcUrl(dbiString);
-        dbConfig.setUsername(userName);
-        dbConfig.setPassword(pwd);
-        dbConfig.setMinConnectionsPerPartition(1);
-        dbConfig.setMaxConnectionsPerPartition(30);
-        dbConfig.setConnectionTimeout(10, TimeUnit.SECONDS);
+        dbConfig.setJdbcUrl(config.getJdbcUrl());
+        dbConfig.setUsername(config.getUsername());
+        dbConfig.setPassword(config.getPassword());
+        dbConfig.setMinConnectionsPerPartition(config.getMinIdle());
+        dbConfig.setMaxConnectionsPerPartition(config.getMaxActive());
+        dbConfig.setConnectionTimeout(config.getConnectionTimeout().getPeriod(), config.getConnectionTimeout().getUnit());
+        /*
+        dbConfig.setIdleMaxAge(config.getIdleMaxAge().getPeriod(), config.getIdleMaxAge().getUnit());
+        dbConfig.setMaxConnectionAge(config.getMaxConnectionAge().getPeriod(), config.getMaxConnectionAge().getUnit());
+        dbConfig.setIdleConnectionTestPeriod(config.getIdleConnectionTestPeriod().getPeriod(), config.getIdleConnectionTestPeriod().getUnit());
+        */
         dbConfig.setPartitionCount(1);
-        dbConfig.setDefaultTransactionIsolation("REPEATABLE_READ");
         dbConfig.setDisableJMX(false);
-        dbConfig.setLazyInit(true);
-        return dbConfig;
+
+        return new BoneCPDataSource(dbConfig);
+    }
+
+    private DataSource getC3P0DataSource() {
+        final ComboPooledDataSource cpds = new ComboPooledDataSource();
+        cpds.setJdbcUrl(config.getJdbcUrl());
+        cpds.setUser(config.getUsername());
+        cpds.setPassword(config.getPassword());
+        // http://www.mchange.com/projects/c3p0/#minPoolSize
+        // Minimum number of Connections a pool will maintain at any given time.
+        cpds.setMinPoolSize(config.getMinIdle());
+        // http://www.mchange.com/projects/c3p0/#maxPoolSize
+        // Maximum number of Connections a pool will maintain at any given time.
+        cpds.setMaxPoolSize(config.getMaxActive());
+        // http://www.mchange.com/projects/c3p0/#checkoutTimeout
+        // The number of milliseconds a client calling getConnection() will wait for a Connection to be checked-in or
+        // acquired when the pool is exhausted. Zero means wait indefinitely. Setting any positive value will cause the getConnection()
+        // call to time-out and break with an SQLException after the specified number of milliseconds.
+        cpds.setCheckoutTimeout(toMilliSeconds(config.getConnectionTimeout()));
+        // http://www.mchange.com/projects/c3p0/#maxIdleTime
+        // Seconds a Connection can remain pooled but unused before being discarded. Zero means idle connections never expire.
+//        cpds.setMaxIdleTime(toSeconds(config.getIdleMaxAge()));
+        // http://www.mchange.com/projects/c3p0/#maxConnectionAge
+        // Seconds, effectively a time to live. A Connection older than maxConnectionAge will be destroyed and purged from the pool.
+        // This differs from maxIdleTime in that it refers to absolute age. Even a Connection which has not been much idle will be purged
+        // from the pool if it exceeds maxConnectionAge. Zero means no maximum absolute age is enforced.
+//        cpds.setMaxConnectionAge(toSeconds(config.getMaxConnectionAge()));
+        // http://www.mchange.com/projects/c3p0/#idleConnectionTestPeriod
+        // If this is a number greater than 0, c3p0 will test all idle, pooled but unchecked-out connections, every this number of seconds.
+        cpds.setIdleConnectionTestPeriod(60);
+
+        return cpds;
+    }
+
+    private int toSeconds(final TimeSpan timeSpan) {
+        return toSeconds(timeSpan.getPeriod(), timeSpan.getUnit());
+    }
+
+    private int toSeconds(final long period, final TimeUnit timeUnit) {
+        return (int) TimeUnit.SECONDS.convert(period, timeUnit);
+    }
+
+    private int toMilliSeconds(final TimeSpan timeSpan) {
+        return toMilliSeconds(timeSpan.getPeriod(), timeSpan.getUnit());
+    }
+
+    private int toMilliSeconds(final long period, final TimeUnit timeUnit) {
+        return (int) TimeUnit.MILLISECONDS.convert(period, timeUnit);
     }
 }