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Hikari DB.xml
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Hikari DB.xml
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<codeTemplateLibrary version="3.12.0">
<id>619fac77-fca2-465f-b685-c821893d564e</id>
<name>Hikari DB</name>
<revision>4</revision>
<lastModified>
<time>1637108338528</time>
<timezone>America/Chicago</timezone>
</lastModified>
<description></description>
<includeNewChannels>false</includeNewChannels>
<enabledChannelIds>
<string>0f4eafe0-e3cd-4b9c-96b5-068f564263bc</string>
<string>bc8b5f0f-17b4-4e8e-b2a0-480e8d5be07a</string>
<string>cefbee5f-b1db-4c86-94b5-0bdfd7f043ca</string>
</enabledChannelIds>
<disabledChannelIds>
<string>f8c2e8fb-4d7e-4372-abb3-f88956c0bc33</string>
<string>47db618a-5d68-431e-a9f8-10eb91486f08</string>
</disabledChannelIds>
<codeTemplates>
<codeTemplate version="3.12.0">
<id>cca2bb85-cb9d-4127-8ce3-cbec082de245</id>
<name>clearConnectionPool</name>
<revision>1</revision>
<lastModified>
<time>1636933263319</time>
<timezone>America/Chicago</timezone>
</lastModified>
<contextSet>
<delegate>
<contextType>SOURCE_RECEIVER</contextType>
<contextType>SOURCE_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_RESPONSE_TRANSFORMER</contextType>
<contextType>DESTINATION_DISPATCHER</contextType>
</delegate>
</contextSet>
<properties class="com.mirth.connect.model.codetemplates.BasicCodeTemplateProperties">
<type>FUNCTION</type>
<code>/**
Evict all existing database connections from all Hikari connection pools in globalMap.
*/
function clearConnectionPools()
{
for each (key_entry in globalMap.getVariables().keySet().toArray())
{
if (key_entry.substring(0, 8).equals("hikariDS"))
{
logger.info("Evicting all database connections from " + key_entry);
var hikariDS = globalMap.get(key_entry);
for (var i = 0; i <= hikariDS.getMaximumPoolSize(); i++)
{
dbConn = hikariDS.getConnection();
if (dbConn != null) hikariDS.evictConnection(dbConn);
}
}
}
}
</code>
</properties>
</codeTemplate>
<codeTemplate version="3.12.0">
<id>8e8ce565-a965-4dcd-a74d-3b51c654d7f4</id>
<name>getDBPoolConnection</name>
<revision>1</revision>
<lastModified>
<time>1636933263347</time>
<timezone>America/Chicago</timezone>
</lastModified>
<contextSet>
<delegate>
<contextType>SOURCE_RECEIVER</contextType>
<contextType>SOURCE_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_RESPONSE_TRANSFORMER</contextType>
<contextType>DESTINATION_DISPATCHER</contextType>
</delegate>
</contextSet>
<properties class="com.mirth.connect.model.codetemplates.BasicCodeTemplateProperties">
<type>FUNCTION</type>
<code>/**
Get a (reusable) PostgreSQL database connection from a pool managed by Hikari.
Make sure to provide all parameters including empty strings ("")
@param {String} dbtype - database vendor, only MySQL, Oracle, PostgreS(QL) and (MS) SQLServer
have been implemented
@param {String} database - name of the database, e.g. mirthresults, mirthmatch, etc.
@param {String} server - domain name or IP address of the database server
(may be empty if "mirthresults_server" is defined)
@param {String} user - database user name (may be empty)
@param {String} password - database user password (may be empty)
@return {Connection} - immplementation of java.sql.Connection object
(please see appropriate javadoc for its usage)
*/
function getPoolDbConn(dbtype, database, server, user, password)
{
var poolSize = 20;
var dbConn = null;
var error = "";
if (database != null && database.length > 0 && !database.equals("null"))
{
if (server.length == 0) server = new String(configurationMap.get("mirthresults_server"));
if (server != null && server.length > 0 && !server.equals("null"))
{
var hikariDS = globalMap.get("hikariDS_" + server + "_" + database);
// Create Connection Pool if it does not exist
if(hikariDS == null)
{
hikariDS = new Packages.com.zaxxer.hikari.HikariDataSource();
var driver = "";
var url = "";
dbtype = dbtype.toLowerCase();
if (dbtype.equals("mysql"))
{
driver = "com.mysql.jdbc.Driver";
url = "jdbc:mysql://" + server + ":3306/" + database;
}
else if (dbtype.equals("oracle"))
{
driver = "oracle.jdbc.OracleDriver";
url = "jdbc:oracle:thin:@" + server + ":1521:" + database;
}
else if (dbtype.indexOf("postgres") == 0)
{
driver = "org.postgresql.Driver";
url = "jdbc:postgresql://" + server + ":5432/" + database;
}
else if (dbtype.indexOf("sqlserver") >= 0)
{
driver = "net.sourceforge.jtds.jdbc.Driver";
url = "jdbc:jtds:sqlserver://" + server + ":1433/" + database;
}
// else throw "Connection to database of type " + dbtype " is not yet implemented";
if (user.length == 0) user = database;
if (password.length == 0) password = database;
hikariDS.setDriverClassName(driver); // Default: found automatically
hikariDS.setJdbcUrl(url);
hikariDS.setUsername(user);
hikariDS.setPassword(password);
hikariDS.setPoolName(server + "_" + database); // Default: auto-generated
hikariDS.setMaximumPoolSize(poolSize); // Default: 10
//hikariDS.setAutoCommit(true); // Default: true
//hikariDS.setMaxLifetime(1000000); // Default: 1800000
//hikariDS.setConnectionTestQuery("select 1 as test_result"); // Don't set if DB supports Connection.isValid()
//hikariDS.setConnectionTimeout(5000); // Default: 30000
//hikariDS.setInitializationFailFast(false); // Default: true
//hikariDS.setIdleTimeout(5000); // Default: 600000
//try { hikariDS.setLoginTimeout(5000); } // Default: ???
//catch(Exception ex) { }
//globalMap.put("hikariDS_" + server + "_" + database, hikariDS);
hikariDS.setLeakDetectionThreshold(5000);
globalMap.put("hikariDS_" + server + "_" + database, hikariDS);
}
if (hikariDS != null)
{
var goodConnectionFound = false;
// Try to query the DB using each connection in the pool (and a new one), if they all fail - error out
for (var i = 0; i <= poolSize; i++)
{
// Step 1: get DB connection
dbConn = hikariDS.getConnection();
// Step 2: test the DB connection and handle the possible exception
var tempInt = -1;
try
{
var stmt = dbConn.createStatement();
var db_res = stmt.executeQuery("select 321 as db_test");
if (db_res.next())
{
tempInt = db_res.getInt(1);
}
stmt.close();
}
catch(ex) { error = new String(ex.toString()); }
if (tempInt == 321)
{
error = "";
goodConnectionFound = true;
break;
}
// Step 3: remove bad connection from the pool
else hikariDS.evictConnection(dbConn);
}
if (!goodConnectionFound) dbConn = null;
}
else error = "getPoolDbConn() cannot create a new Hikari data source (connection pool)";
}
else error = "getPoolDbConn() server address not provided";
}
else error = "getPoolDbConn() database name not provided";
if (error.length > 4) throw error;
return dbConn;
}
</code>
</properties>
</codeTemplate>
<codeTemplate version="3.12.0">
<id>ef779224-ab16-408b-b824-19b3189766a0</id>
<name>queryDBConneciton</name>
<revision>11</revision>
<lastModified>
<time>1637115353125</time>
<timezone>America/Chicago</timezone>
</lastModified>
<contextSet>
<delegate>
<contextType>SOURCE_RECEIVER</contextType>
<contextType>SOURCE_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_RESPONSE_TRANSFORMER</contextType>
<contextType>DESTINATION_DISPATCHER</contextType>
</delegate>
</contextSet>
<properties class="com.mirth.connect.model.codetemplates.BasicCodeTemplateProperties">
<type>FUNCTION</type>
<code>/**
Run a SQL query using a pooled PostgreSQL database connection
obtained (in this function) by calling getPoolDbConn()
Make sure to provide all parameters including empty strings ("") or null's as appropriate.
@param {String} dbtype - database vendor, only MySQL, Oracle, PostgreS(QL) and (MS) SQLServer
have been implemented
@param {String} database - name of the database, e.g. mirthresults, mirthmatch, etc.
@param {String} server - domain name or IP address of the database server
(may be empty if "mirthresults_server" is defined)
@param {String} user - database user name (may be empty)
@param {String} password - database user password (may be empty)
@param (String} sql - SQL query to execute, may include ? for parameters
@param {Array} args - JavaScript array of query parameters,
can be a mix of strings and numbers or null
@return {CachedRowSet} - returns a standard CachedRowSet directly usable
(can be returned from a Database Reader)
*/
function queryPoolDbConn(dbtype, database, server, user, password, sql, args)
{
var valOut = null;
var dbConn = getPoolDbConn(dbtype, database, server, user, password);
if (dbConn != null)
{
var statement = dbConn.prepareStatement(sql);
if (statement != null)
{
if (args != null && args.size() > 0)
{
statement.clearParameters();
//logger.info('args length: ' + args.size())
for (var i = 0; i < args.size(); i++)
{
//logger.info('args: ' + args.get(i))
statement.setObject(i + 1, args.get(i));
}
}
//logger.info('statement: ' + statement)
var db_res = statement.executeQuery();
valOut = new Packages.com.sun.rowset.CachedRowSetImpl();
valOut.populate(db_res);
statement.close();
}
else throw "updatePoolDbConn(): dbConn.prepareStatement() failed";
dbConn.close();
}
else throw "updatePoolDbConn(): dbConn cannot connect to the database";
return valOut;
}</code>
</properties>
</codeTemplate>
<codeTemplate version="3.12.0">
<id>7b84e8a9-1175-48ed-8980-721a2be481de</id>
<name>UpdateDBConnection</name>
<revision>5</revision>
<lastModified>
<time>1637115353137</time>
<timezone>America/Chicago</timezone>
</lastModified>
<contextSet>
<delegate>
<contextType>SOURCE_RECEIVER</contextType>
<contextType>SOURCE_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_FILTER_TRANSFORMER</contextType>
<contextType>DESTINATION_RESPONSE_TRANSFORMER</contextType>
<contextType>DESTINATION_DISPATCHER</contextType>
</delegate>
</contextSet>
<properties class="com.mirth.connect.model.codetemplates.BasicCodeTemplateProperties">
<type>FUNCTION</type>
<code>/**
Run a SQL update using a pooled PostgreSQL database connection
obtained (in this function) by calling getPoolDbConn()
Make sure to provide all parameters including empty strings ("") or null's as appropriate.
@param {String} dbtype - database vendor, only MySQL, Oracle, PostgreS(QL) and (MS) SQLServer
have been implemented
@param {String} database - name of the database, e.g. mirthresults, mirthmatch, etc.
@param {String} server - domain name or IP address of the database server
(may be empty if "mirthresults_server" is defined)
@param {String} user - database user name (may be empty)
@param {String} password - database user password (may be empty)
@param (String} sql - SQL query to execute, may include ? for parameters
@param {Array} args - JavaScript array of query parameters,
can be a mix of strings and numbers or null
@return {Integer} - returns the number of affected rows
*/
function updatePoolDbConn(dbtype, database, server, user, password, sql, args)
{
var row_count = -1;
var dbConn = getPoolDbConn(dbtype, database, server, user, password);
if (dbConn != null)
{
dbConn.setAutoCommit(true);
var statement = dbConn.prepareStatement(sql);
if (statement != null)
{
if (args != null && args.size() > 0)
{
statement.clearParameters();
for (var i = 0; i < args.size(); i++)
{
//logger.info('args value: ' + args.get(i))
statement.setObject(i + 1, args.get(i));
}
}
row_count = statement.executeUpdate();
statement.close();
}
else throw "updatePoolDbConn(): dbConn.prepareStatement() failed";
dbConn.close();
}
else throw "updatePoolDbConn(): dbConn cannot connect to the database";
return row_count;
}</code>
</properties>
</codeTemplate>
</codeTemplates>
</codeTemplateLibrary>