1 files changed, 156 insertions, 0 deletions
diff --git a/src/main/java/com/zaxxer/hikari/hibernate/HikariConnectionProvider.java b/src/main/java/com/zaxxer/hikari/hibernate/HikariConnectionProvider.java
new file mode 100644
index 0000000..4f9656c
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+++ b/src/main/java/com/zaxxer/hikari/hibernate/HikariConnectionProvider.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2013 Brett Wooldridge
+ *
+ * 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
+ *
+ * http://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 com.zaxxer.hikari.hibernate;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Map;
+
+import org.hibernate.HibernateException;
+import org.hibernate.Version;
+import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
+import org.hibernate.service.UnknownUnwrapTypeException;
+import org.hibernate.service.spi.Configurable;
+import org.hibernate.service.spi.Stoppable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+
+import javax.sql.DataSource;
+
+/**
+ * Connection provider for Hibernate 4.3.
+ *
+ * @author Brett Wooldridge, Luca Burgazzoli
+ */
+public class HikariConnectionProvider implements ConnectionProvider, Configurable, Stoppable
+{
+   private static final long serialVersionUID = -9131625057941275711L;
+
+   private static final Logger LOGGER = LoggerFactory.getLogger(HikariConnectionProvider.class);
+
+   /**
+    * HikariCP configuration.
+    */
+   private HikariConfig hcfg;
+
+   /**
+    * HikariCP data source.
+    */
+   private HikariDataSource hds;
+
+   // *************************************************************************
+   //
+   // *************************************************************************
+
+   /**
+    * c-tor
+    */
+   public HikariConnectionProvider()
+   {
+      this.hcfg = null;
+      this.hds = null;
+      if (Version.getVersionString().substring(0, 5).compareTo("4.3.6") >= 1) {
+         LOGGER.warn("com.zaxxer.hikari.hibernate.HikariConnectionProvider has been deprecated for versions of "
+                     + "Hibernate 4.3.6 and newer.  Please switch to org.hibernate.hikaricp.internal.HikariCPConnectionProvider.");
+      }
+   }
+
+   // *************************************************************************
+   // Configurable
+   // *************************************************************************
+
+   @SuppressWarnings("rawtypes")
+   @Override
+   public void configure(Map props) throws HibernateException
+   {
+      try {
+         LOGGER.debug("Configuring HikariCP");
+
+         this.hcfg = HikariConfigurationUtil.loadConfiguration(props);
+         this.hds = new HikariDataSource(this.hcfg);
+
+      }
+      catch (Exception e) {
+         throw new HibernateException(e);
+      }
+
+      LOGGER.debug("HikariCP Configured");
+   }
+
+   // *************************************************************************
+   // ConnectionProvider
+   // *************************************************************************
+
+   @Override
+   public Connection getConnection() throws SQLException
+   {
+      Connection conn = null;
+      if (this.hds != null) {
+         conn = this.hds.getConnection();
+      }
+
+      return conn;
+   }
+
+   @Override
+   public void closeConnection(Connection conn) throws SQLException
+   {
+      conn.close();
+   }
+
+   @Override
+   public boolean supportsAggressiveRelease()
+   {
+      return false;
+   }
+
+   @Override
+   @SuppressWarnings("rawtypes")
+   public boolean isUnwrappableAs(Class unwrapType)
+   {
+      return ConnectionProvider.class.equals(unwrapType) || HikariConnectionProvider.class.isAssignableFrom(unwrapType);
+   }
+
+   @Override
+   @SuppressWarnings("unchecked")
+   public <T> T unwrap(Class<T> unwrapType)
+   {
+       if ( ConnectionProvider.class.equals( unwrapType ) ||
+               HikariConnectionProvider.class.isAssignableFrom( unwrapType ) ) {
+           return (T) this;
+       }
+       else if ( DataSource.class.isAssignableFrom( unwrapType ) ) {
+           return (T) this.hds;
+       }
+       else {
+           throw new UnknownUnwrapTypeException( unwrapType );
+       }
+   }
+
+   // *************************************************************************
+   // Stoppable
+   // *************************************************************************
+
+   @Override
+   public void stop()
+   {
+      this.hds.close();
+   }
+}