HHH-5838 - Proxool connection pool should only close pools it opened

hibernate-proxool/hibernate-proxool.gradle

@@ -4,4 +4,5 @@ dependencies {
     compile( project( ':hibernate-core' ) )
     compile( [group: 'proxool', name: 'proxool', version: '0.8.3'] )
     testCompile( project(':hibernate-core').sourceSets.test.classes )
+    testRuntime( libraries.h2 )
 }

hibernate-proxool/src/main/java/org/hibernate/service/jdbc/connections/internal/ProxoolConnectionProvider.java

@@ -202,8 +202,13 @@ public void close() throws HibernateException {
 
 		// We have created the pool ourselves, so shut it down
 		try {
+			if ( ProxoolFacade.getAliases().length == 1 ) {
+				ProxoolFacade.shutdown( 0 );
+			}
+			else {
 				ProxoolFacade.removeConnectionPool(proxoolAlias.substring(PROXOOL_JDBC_STEM.length()));
 			}
+		}
 		catch (Exception e) {
 			// If you're closing down the ConnectionProvider chances are an
 			// is not a real big deal, just warn

hibernate-proxool/src/test/java/org/hibernate/service/jdbc/connections/internal/ProxoolConnectionProviderTest.java

@@ -0,0 +1,78 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
+ * indicated by the @author tags or express copyright attribution
+ * statements applied by the authors.  All third-party contributions are
+ * distributed under license by Red Hat, Inc.
+ *
+ * This copyrighted material is made available to anyone wishing to use, modify,
+ * copy, or redistribute it subject to the terms and conditions of the GNU
+ * Lesser General Public License, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this distribution; if not, write to:
+ * Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA  02110-1301  USA
+ */
+package org.hibernate.service.jdbc.connections.internal;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Properties;
+
+import org.hibernate.cfg.Environment;
+import org.logicalcobwebs.proxool.ProxoolFacade;
+
+import junit.framework.TestCase;
+
+/**
+ * Test to verify connection pools are closed, and that only the managed one is closed.
+ * @author Sanne Grinovero
+ */
+public class ProxoolConnectionProviderTest extends TestCase {
+	
+	public void testPoolsClosed() {
+		assertDefinedPools(); // zero-length-vararg used as parameter
+		
+		ProxoolConnectionProvider providerOne = new ProxoolConnectionProvider();
+		providerOne.configure( getPoolConfigurarion( "pool-one" ) );
+		assertDefinedPools( "pool-one" );
+		
+		ProxoolConnectionProvider providerTwo = new ProxoolConnectionProvider();
+		providerTwo.configure( getPoolConfigurarion( "pool-two" ) );
+		assertDefinedPools( "pool-one", "pool-two" );
+		
+		providerOne.close();
+		assertDefinedPools( "pool-two" );
+		
+		providerTwo.close();
+		assertDefinedPools();
+	}
+
+	private void assertDefinedPools(String... expectedPoolNames) {
+		List<String> aliases = Arrays.asList( ProxoolFacade.getAliases() );
+		assertEquals( expectedPoolNames.length,	aliases.size() );
+		for (String poolName : expectedPoolNames) {
+			assertTrue( "pool named " + poolName + " missing", aliases.contains( poolName ) );
+		}
+	}
+
+	/**
+	 * @param pool name
+	 * @return his configuration - see src/tests/resources for matches
+	 */
+	private Properties getPoolConfigurarion(String poolName) {
+		Properties cfg = new Properties();
+		cfg.setProperty( Environment.PROXOOL_POOL_ALIAS, poolName );
+		cfg.setProperty( Environment.PROXOOL_PROPERTIES, poolName + ".properties" );
+		return cfg;
+	}
+	
+}

hibernate-proxool/src/test/resources/pool-one.properties

@@ -0,0 +1,7 @@
+jdbc-0.proxool.alias=pool-one
+jdbc-0.proxool.driver-url=jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1;MVCC=TRUE
+jdbc-0.proxool.driver-class=org.h2.Driver
+jdbc-0.user=sa
+jdbc-0.password=
+jdbc-0.proxool.maximum-connection-count=2
+jdbc-0.proxool.house-keeping-test-sql=select CURRENT_DATE

hibernate-proxool/src/test/resources/pool-two.properties

@@ -0,0 +1,7 @@
+jdbc-0.proxool.alias=pool-two
+jdbc-0.proxool.driver-url=jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1;MVCC=TRUE
+jdbc-0.proxool.driver-class=org.h2.Driver
+jdbc-0.user=sa
+jdbc-0.password=
+jdbc-0.proxool.maximum-connection-count=2
+jdbc-0.proxool.house-keeping-test-sql=select CURRENT_DATE