Examples of org.apache.tomcat.dbcp.dbcp2.datasources.InstanceKeyDataSource

Package org.apache.tomcat.dbcp.dbcp2.datasources

Examples of org.apache.tomcat.dbcp.dbcp2.datasources.InstanceKeyDataSource

org.apache.tomcat.dbcp.dbcp2.SwallowedExceptionLogger

The base class for SharedPoolDataSource and PerUserPoolDataSource. Many of the configuration properties are shared and defined here. This class is declared public in order to allow particular usage with commons-beanutils; do not make direct use of it outside of commons-dbcp.

A J2EE container will normally provide some method of initializing the DataSource whose attributes are presented as bean getters/setters and then deploying it via JNDI. It is then available to an application as a source of pooled logical connections to the database. The pool needs a source of physical connections. This source is in the form of a ConnectionPoolDataSource that can be specified via the {@link #setDataSourceName(String)} used tolookup the source via JNDI.

Although normally used within a JNDI environment, A DataSource can be instantiated and initialized as any bean. In this case the ConnectionPoolDataSource will likely be instantiated in a similar manner. This class allows the physical source of connections to be attached directly to this pool using the {@link #setConnectionPoolDataSource(ConnectionPoolDataSource)} method.

The dbcp package contains an adapter, {@link org.apache.tomcat.dbcp.dbcp2.cpdsadapter.DriverAdapterCPDS}, that can be used to allow the use of DataSource's based on this class with jdbc driver implementations that do not supply a ConnectionPoolDataSource, but still provide a {@link java.sql.Driver} implementation.

The package documentation contains an example using Apache Tomcat and JNDI and it also contains a non-JNDI example.
@author John D. McNally @since 2.0

     */
    @Override
    public PreparedStatement prepareStatement(String sql) throws SQLException {
        checkOpen();
        try {
            return new DelegatingPreparedStatement
                (this, pooledConnection.prepareStatement(sql));
        }
        catch (SQLException e) {
            handleException(e); // Does not return
            return null;

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    public PreparedStatement prepareStatement(String sql, int resultSetType,
                                              int resultSetConcurrency)
            throws SQLException {
        checkOpen();
        try {
            return new DelegatingPreparedStatement
                (this, pooledConnection.prepareStatement
                    (sql,resultSetType,resultSetConcurrency));
        }
        catch (SQLException e) {
            handleException(e);

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                                              int resultSetConcurrency,
                                              int resultSetHoldability)
            throws SQLException {
        checkOpen();
        try {
            return new DelegatingPreparedStatement(this,
                    pooledConnection.prepareStatement(sql, resultSetType,
                            resultSetConcurrency, resultSetHoldability));
        }
        catch (SQLException e) {
            handleException(e);

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    @Override
    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
            throws SQLException {
        checkOpen();
        try {
            return new DelegatingPreparedStatement(this,
                    pooledConnection.prepareStatement(sql, autoGeneratedKeys));
        }
        catch (SQLException e) {
            handleException(e);
            return null;

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    @Override
    public PreparedStatement prepareStatement(String sql, int columnIndexes[])
            throws SQLException {
        checkOpen();
        try {
            return new DelegatingPreparedStatement(this,
                    pooledConnection.prepareStatement(sql, columnIndexes));
        }
        catch (SQLException e) {
            handleException(e);
            return null;

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    @Override
    public PreparedStatement prepareStatement(String sql, String columnNames[])
            throws SQLException {
        checkOpen();
        try {
            return new DelegatingPreparedStatement(this,
                    pooledConnection.prepareStatement(sql, columnNames));
        }
        catch (SQLException e) {
            handleException(e);
            return null;

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        pool.setTestOnReturn(getPerUserTestOnReturn(username));
        pool.setTestWhileIdle(getPerUserTestWhileIdle(username));
        pool.setTimeBetweenEvictionRunsMillis(
                getPerUserTimeBetweenEvictionRunsMillis(username));


        pool.setSwallowedExceptionListener(new SwallowedExceptionLogger(log));


        Object old = managers.put(getPoolKey(username), factory);
        if (old != null) {
            throw new IllegalStateException("Pool already contains an entry for this user/password: " + username);
        }

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Related Classes of org.apache.tomcat.dbcp.dbcp2.datasources.InstanceKeyDataSource

org.apache.tomcat.dbcp.dbcp2.cpdsadapter.ConnectionImpl

org.apache.tomcat.dbcp.dbcp2.datasources.PerUserPoolDataSource

org.apache.tomcat.dbcp.dbcp2.DelegatingPreparedStatement

org.apache.tomcat.dbcp.dbcp2.SwallowedExceptionLogger

org.apache.tomcat.dbcp.pool2.impl.AbandonedConfig

org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPoolConfig

org.apache.tomcat.dbcp.pool2.impl.GenericObjectPoolConfig

java.util.StringTokenizer

java.text.MessageFormat

java.io.ObjectInputStream

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