[AMQ-9806] Add H2 database support

Author: mattrpav

activemq-jdbc-store/src/main/java/org/apache/activemq/store/jdbc/adapter/H2JDBCAdapter.java

@@ -0,0 +1,38 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.activemq.store.jdbc.adapter;
+
+import org.apache.activemq.store.jdbc.Statements;
+
+/**
+ * 
+ * @org.apache.xbean.XBean element="h2-jdbc-adapter"
+ */
+public class H2JDBCAdapter extends BytesJDBCAdapter {
+
+    @Override
+    public void setStatements(Statements statements) {
+        statements.setBinaryDataType("BLOB");
+        super.setStatements(statements);
+    }
+
+    @Override
+    public String limitQuery(String query) {
+        return query + " LIMIT " + getMaxRows();
+    }
+
+}

activemq-jdbc-store/src/main/resources/META-INF/services/org/apache/activemq/store/jdbc/h2_database_engine_driver

@@ -0,0 +1,17 @@
+## ---------------------------------------------------------------------------
+## Licensed to the Apache Software Foundation (ASF) under one or more
+## contributor license agreements.  See the NOTICE file distributed with
+## this work for additional information regarding copyright ownership.
+## The ASF licenses this file to You 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.
+## ---------------------------------------------------------------------------
+class=org.apache.activemq.store.jdbc.adapter.H2JDBCAdapter