Class PStmtKey

java/org/apache/tomcat/dbcp/dbcp2/PStmtKey.java:34–663

A key uniquely identifying java.sql.PreparedStatement PreparedStatements. @since 2.0

 * @since 2.0
 */
public class PStmtKey {

    /**
     * Interface for Prepared or Callable Statement.
     */
    @FunctionalInterface
    private interface StatementBuilder {
        Statement createStatement(Connection connection, PStmtKey key) throws SQLException;
    }

    private static final StatementBuilder CallConcurrency = (c, k) -> c.prepareCall(k.sql, k.resultSetType.intValue(), k.resultSetConcurrency.intValue());
    private static final StatementBuilder CallHoldability = (c, k) -> c.prepareCall(k.sql, k.resultSetType.intValue(), k.resultSetConcurrency.intValue(), k.resultSetHoldability.intValue());
    private static final StatementBuilder CallSQL = (c, k) -> c.prepareCall(k.sql);
    private static final StatementBuilder StatementAutoGeneratedKeys = (c, k) -> c.prepareStatement(k.sql, k.autoGeneratedKeys.intValue());
    private static final StatementBuilder StatementColumnIndexes = (c, k) -> c.prepareStatement(k.sql, k.columnIndexes);
    private static final StatementBuilder StatementColumnNames = (c, k) -> c.prepareStatement(k.sql, k.columnNames);
    private static final StatementBuilder StatementConcurrency = (c, k) -> c.prepareStatement(k.sql, k.resultSetType.intValue(), k.resultSetConcurrency.intValue());
    private static final StatementBuilder StatementHoldability = (c, k) -> c.prepareStatement(k.sql, k.resultSetType.intValue(), k.resultSetConcurrency.intValue(),
            k.resultSetHoldability.intValue());
    private static final StatementBuilder StatementSQL = (c, k) -> c.prepareStatement(k.sql);

    private static StatementBuilder match(final StatementType statementType, final StatementBuilder prep, final StatementBuilder call) {
        switch (Objects.requireNonNull(statementType, "statementType")) {
            case PREPARED_STATEMENT:
                return prep;
            case CALLABLE_STATEMENT:
                return call;
            default:
                throw new IllegalArgumentException(statementType.toString());
        }
    }

    /**
     * SQL defining Prepared or Callable Statement
     */
    private final String sql;

    /**
     * Result set type; one of {@link ResultSet#TYPE_FORWARD_ONLY}, {@link ResultSet#TYPE_SCROLL_INSENSITIVE}, or
     * {@link ResultSet#TYPE_SCROLL_SENSITIVE}.
     */
    private final Integer resultSetType;

    /**
     * Result set concurrency. A concurrency type; one of {@link ResultSet#CONCUR_READ_ONLY} or
     * {@link ResultSet#CONCUR_UPDATABLE}.
     */
    private final Integer resultSetConcurrency;

    /**
     * Result set holdability. One of the following {@link ResultSet} constants: {@link ResultSet#HOLD_CURSORS_OVER_COMMIT}
     * or {@link ResultSet#CLOSE_CURSORS_AT_COMMIT}.
     */
    private final Integer resultSetHoldability;

    /**
     * Database catalog.
     */