Package org.apache.commons.dbutils

Class AsyncQueryRunner

  • public class AsyncQueryRunner
extends AbstractQueryRunner
    Executes SQL queries with pluggable strategies for handling ResultSets. This class is thread safe.
    Since:
    1.4
    See Also:
    ResultSetHandler

    • Field Detail

      • executorService

        private final java.util.concurrent.ExecutorService executorService

    • Constructor Detail

      • AsyncQueryRunner

        public AsyncQueryRunner​(java.util.concurrent.ExecutorService executorService,
                        QueryRunner queryRunner)
        Constructor for AsyncQueryRunner which uses a provided ExecutorService and underlying QueryRunner.
        Parameters:
        executorService - the ExecutorService instance used to run JDBC invocations concurrently.
        queryRunner - the QueryRunner instance to use for the queries.
        Since:
        DbUtils 1.5

      • AsyncQueryRunner

        public AsyncQueryRunner​(java.util.concurrent.ExecutorService executorService)
        Constructor for AsyncQueryRunner.
        Parameters:
        executorService - the ExecutorService instance used to run JDBC invocations concurrently.

      • AsyncQueryRunner

        @Deprecated
public AsyncQueryRunner​(boolean pmdKnownBroken,
                        java.util.concurrent.ExecutorService executorService)
        Deprecated.
        Use AsyncQueryRunner(ExecutorService, QueryRunner) instead. Constructor for AsyncQueryRunner that controls the use of ParameterMetaData.
        Parameters:
        pmdKnownBroken - Some drivers don't support ParameterMetaData.getParameterType(int); if pmdKnownBroken is set to true, we won't even try it; if false, we'll try it, and if it breaks, we'll remember not to use it again.
        executorService - the ExecutorService instance used to run JDBC invocations concurrently.

      • AsyncQueryRunner

        @Deprecated
public AsyncQueryRunner​(javax.sql.DataSource ds,
                        java.util.concurrent.ExecutorService executorService)
        Deprecated.
        Use AsyncQueryRunner(ExecutorService, QueryRunner) instead. Constructor for AsyncQueryRunner that takes a DataSource. Methods that do not take a Connection parameter will retrieve connections from this DataSource.
        Parameters:
        ds - The DataSource to retrieve connections from.
        executorService - the ExecutorService instance used to run JDBC invocations concurrently.

      • AsyncQueryRunner

        @Deprecated
public AsyncQueryRunner​(javax.sql.DataSource ds,
                        boolean pmdKnownBroken,
                        java.util.concurrent.ExecutorService executorService)
        Deprecated.
        Use AsyncQueryRunner(ExecutorService, QueryRunner) instead. Constructor for AsyncQueryRunner that take a DataSource and controls the use of ParameterMetaData. Methods that do not take a Connection parameter will retrieve connections from this DataSource.
        Parameters:
        ds - The DataSource to retrieve connections from.
        pmdKnownBroken - Some drivers don't support ParameterMetaData.getParameterType(int); if pmdKnownBroken is set to true, we won't even try it; if false, we'll try it, and if it breaks, we'll remember not to use it again.
        executorService - the ExecutorService instance used to run JDBC invocations concurrently.

    • Method Detail

      • batch

        public java.util.concurrent.Future<int[]> batch​(java.sql.Connection conn,
                                                java.lang.String sql,
                                                java.lang.Object[][] params)
                                         throws java.sql.SQLException
        Execute a batch of SQL INSERT, UPDATE, or DELETE queries.
        Parameters:
        conn - The Connection to use to run the query. The caller is responsible for closing this Connection.
        sql - The SQL to execute.
        params - An array of query replacement parameters. Each row in this array is one set of batch replacement values.
        Returns:
        A Future which returns the number of rows updated per statement.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • batch

        public java.util.concurrent.Future<int[]> batch​(java.lang.String sql,
                                                java.lang.Object[][] params)
                                         throws java.sql.SQLException
        Execute a batch of SQL INSERT, UPDATE, or DELETE queries. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL to execute.
        params - An array of query replacement parameters. Each row in this array is one set of batch replacement values.
        Returns:
        A Future which returns the number of rows updated per statement.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • query

        public <T> java.util.concurrent.Future<T> query​(java.sql.Connection conn,
                                                java.lang.String sql,
                                                ResultSetHandler<T> rsh,
                                                java.lang.Object... params)
                                         throws java.sql.SQLException
        Execute an SQL SELECT query with replacement parameters. The caller is responsible for closing the connection.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to execute the query in.
        sql - The query to execute.
        rsh - The handler that converts the results into an object.
        params - The replacement parameters.
        Returns:
        A Future which returns the result of the query call.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • query

        public <T> java.util.concurrent.Future<T> query​(java.sql.Connection conn,
                                                java.lang.String sql,
                                                ResultSetHandler<T> rsh)
                                         throws java.sql.SQLException
        Execute an SQL SELECT query without any replacement parameters. The caller is responsible for closing the connection.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to execute the query in.
        sql - The query to execute.
        rsh - The handler that converts the results into an object.
        Returns:
        A Future which returns the result of the query call.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • query

        public <T> java.util.concurrent.Future<T> query​(java.lang.String sql,
                                                ResultSetHandler<T> rsh,
                                                java.lang.Object... params)
                                         throws java.sql.SQLException
        Executes the given SELECT SQL query and returns a result object. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet.
        params - Initialize the PreparedStatement's IN parameters with this array.
        Returns:
        A Future which returns the result of the query call.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • query

        public <T> java.util.concurrent.Future<T> query​(java.lang.String sql,
                                                ResultSetHandler<T> rsh)
                                         throws java.sql.SQLException
        Executes the given SELECT SQL without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet.
        Returns:
        A Future which returns the result of the query call.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • update

        public java.util.concurrent.Future<java.lang.Integer> update​(java.sql.Connection conn,
                                                             java.lang.String sql)
                                                      throws java.sql.SQLException
        Execute an SQL INSERT, UPDATE, or DELETE query without replacement parameters.
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        Returns:
        A Future which returns the number of rows updated.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • update

        public java.util.concurrent.Future<java.lang.Integer> update​(java.sql.Connection conn,
                                                             java.lang.String sql,
                                                             java.lang.Object param)
                                                      throws java.sql.SQLException
        Execute an SQL INSERT, UPDATE, or DELETE query with a single replacement parameter.
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        param - The replacement parameter.
        Returns:
        A Future which returns the number of rows updated.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • update

        public java.util.concurrent.Future<java.lang.Integer> update​(java.sql.Connection conn,
                                                             java.lang.String sql,
                                                             java.lang.Object... params)
                                                      throws java.sql.SQLException
        Execute an SQL INSERT, UPDATE, or DELETE query.
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        params - The query replacement parameters.
        Returns:
        A Future which returns the number of rows updated.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • update

        public java.util.concurrent.Future<java.lang.Integer> update​(java.lang.String sql)
                                                      throws java.sql.SQLException
        Executes the given INSERT, UPDATE, or DELETE SQL statement without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL statement to execute.
        Returns:
        A Future which returns the number of rows updated.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • update

        public java.util.concurrent.Future<java.lang.Integer> update​(java.lang.String sql,
                                                             java.lang.Object param)
                                                      throws java.sql.SQLException
        Executes the given INSERT, UPDATE, or DELETE SQL statement with a single replacement parameter. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL statement to execute.
        param - The replacement parameter.
        Returns:
        A Future which returns the number of rows updated.
        Throws:
        java.sql.SQLException - if a database access error occurs

      • update

        public java.util.concurrent.Future<java.lang.Integer> update​(java.lang.String sql,
                                                             java.lang.Object... params)
                                                      throws java.sql.SQLException
        Executes the given INSERT, UPDATE, or DELETE SQL statement. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL statement to execute.
        params - Initializes the PreparedStatement's IN (i.e. '?') parameters.
        Returns:
        A Future which returns the number of rows updated.
        Throws:
        java.sql.SQLException - if a database access error occurs