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// Portions Copyright [2017-2020] [Payara Foundation and/or its affiliates]
package com.sun.gjc.spi.jdbc40;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.gjc.spi.ManagedConnectionFactoryImpl;
import com.sun.gjc.spi.base.StatementWrapper;
import java.sql.*;
/**
* Wrapper for JDBC 4.0 Statement
*/
public class StatementWrapper40 extends StatementWrapper {
protected final static StringManager localStrings =
StringManager.getManager(ManagedConnectionFactoryImpl.class);
/**
* Creates a new instance of StatementWrapper for JDBC 3.0
*
* @param con ConnectionWrapper
* @param statement Statement that is to be wrapped
*/
public StatementWrapper40(Connection con, Statement statement) {
super(con, statement);
}
/**
* Retrieves whether this Statement object has been closed. A Statement is closed if the
* method close has been called on it, or if it is automatically closed.
*
* @return true if this Statement object is closed; false if it is still open
* @throws SQLException if a database access error occurs
* @since 1.6
*/
@Override
public boolean isClosed() throws SQLException {
return jdbcStatement.isClosed();
}
/**
* Requests that a Statement be pooled or not pooled. The value
* specified is a hint to the statement pool implementation indicating
* whether the application wants the statement to be pooled. It is up to
* the statement pool manager as to whether the hint is used.
*
* The poolable value of a statement is applicable to both internal
* statement caches implemented by the driver and external statement caches
* implemented by application servers and other applications.
*
* By default, a Statement is not poolable when created, and
* a PreparedStatement and CallableStatement
* are poolable when created.
*
* @param poolable requests that the statement be pooled if true and
* that the statement not be pooled if false
* @throws SQLException if this method is called on a closed
* Statement
* @since 1.6
*/
@Override
public void setPoolable(boolean poolable) throws SQLException {
jdbcStatement.setPoolable(poolable);
}
/**
* Returns a value indicating whether the Statement
* is poolable or not.
*
* @throws SQLException if this method is called on a closed Statement
* @return true if the Statement
* is poolable; false otherwise
* @see Statement#setPoolable(boolean)
* @since 1.6
*/
@Override
public boolean isPoolable() throws SQLException {
return jdbcStatement.isPoolable();
}
/**
* Returns an object that implements the given interface to allow access to
* non-standard methods, or standard methods not exposed by the proxy.
*
* If the receiver implements the interface then the result is the receiver
* or a proxy for the receiver. If the receiver is a wrapper
* and the wrapped object implements the interface then the result is the
* wrapped object or a proxy for the wrapped object. Otherwise return the
* the result of calling unwrap recursively on the wrapped object
* or a proxy for that result. If the receiver is not a
* wrapper and does not implement the interface, then an SQLException is thrown.
*
* @param iface A Class defining an interface that the result must implement.
* @return an object that implements the interface. May be a proxy for the actual implementing object.
* @throws java.sql.SQLException If no object found that implements the interface
* @since 1.6
*/
@Override
public T unwrap(Class iface) throws SQLException {
T result;
if (iface.isInstance(this)) {
result = iface.cast(this);
} else {
result = jdbcStatement.unwrap(iface);
}
return result;
}
/**
* Returns true if this either implements the interface argument or is directly or indirectly a wrapper
* for an object that does. Returns false otherwise. If this implements the interface then return true,
* else if this is a wrapper then return the result of recursively calling isWrapperFor on the wrapped
* object. If this does not implement the interface and is not a wrapper, return false.
* This method should be implemented as a low-cost operation compared to unwrap so that
* callers can use this method to avoid expensive unwrap calls that may fail. If this method
* returns true then calling unwrap with the same argument should succeed.
*
* @param iface a Class defining an interface.
* @return true if this implements the interface or directly or indirectly wraps an object that does.
* @throws java.sql.SQLException if an error occurs while determining whether this is a wrapper
* for an object with the given interface.
* @since 1.6
*/
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
boolean result;
if (iface.isInstance(this)) {
result = true;
} else {
result = jdbcStatement.isWrapperFor(iface);
}
return result;
}
/**
* Retrieves any auto-generated keys created as a result of executing this
* Statement object. If this Statement object did
* not generate any keys, an empty ResultSet
* object is returned.
*
*
Note:If the columns which represent the auto-generated keys were not specified,
* the JDBC driver implementation will determine the columns which best represent the auto-generated keys.
*
* @return a ResultSet object containing the auto-generated key(s)
* generated by the execution of this Statement object
* @throws SQLException if a database access error occurs or
* this method is called on a closed Statement
* @throws java.sql.SQLFeatureNotSupportedException
* if the JDBC driver does not support this method
* @since 1.4
*/
@Override
public java.sql.ResultSet getGeneratedKeys() throws java.sql.SQLException {
ResultSet rs = jdbcStatement.getGeneratedKeys();
if (rs == null)
return null;
return new ResultSetWrapper40(this, rs);
}
/**
* Retrieves the current result as a ResultSet object.
* This method should be called only once per result.
*
* @return the current result as a ResultSet object or
* null if the result is an update count or there are no more results
* @throws SQLException if a database access error occurs or
* this method is called on a closed Statement
* @see #execute
*/
@Override
public java.sql.ResultSet getResultSet() throws java.sql.SQLException {
ResultSet rs = jdbcStatement.getResultSet();
if (rs == null)
return null;
return new ResultSetWrapper40(this, rs);
}
/**
* Executes the given SQL statement, which returns a single
* ResultSet object.
*
* @param sql an SQL statement to be sent to the database, typically a
* static SQL SELECT statement
* @return a ResultSet object that contains the data produced
* by the given query; never null
* @throws SQLException if a database access error occurs,
* this method is called on a closed Statement or the given
* SQL statement produces anything other than a single
* ResultSet object
*/
@Override
public java.sql.ResultSet executeQuery(final String sql) throws
java.sql.SQLException {
ResultSet rs = jdbcStatement.executeQuery(sql);
return new ResultSetWrapper40(this, rs);
}
//-------------------------------- JDBC 4.2 --------------------------------
/**
* Retrieves the current result as an update count; if the result
* is a ResultSet object or there are no more results, -1
* is returned.
*
* @return the current result as an update count; -1 if the current result
* is a ResultSet object or there are no more results
* @exception SQLException if a database access error occurs or
* this method is called on a closed Statement
*/
@Override
public long getLargeUpdateCount() throws SQLException {
return jdbcStatement.getLargeUpdateCount();
}
/**
* Sets the limit for the maximum number of rows that any
* ResultSet object generated by this Statement
* object can contain to the given number.
*
* @param max the new max rows limit; zero means there is no limit
* @exception SQLException if a database access error occurs,
* this method is called on a closed Statement
* or the condition {@code max >= 0} is not satisfied
*/
@Override
public void setLargeMaxRows(long max) throws SQLException {
jdbcStatement.setLargeMaxRows(max);
}
/**
* Retrieves the maximum number of rows that a
* ResultSet object produced by this
* Statement object can contain.
*
* @return the current maximum number of rows for a ResultSet
* object produced by this Statement object;
* zero means there is no limit
* @exception SQLException if a database access error occurs or
* this method is called on a closed Statement
*/
@Override
public long getLargeMaxRows() throws SQLException {
return jdbcStatement.getLargeMaxRows();
}
/**
* Submits a batch of commands to the database for execution and
* if all commands execute successfully, returns an array of update counts.
*
* @return an array of update counts containing one element for each
* command in the batch. The elements of the array are ordered according
* to the order in which commands were added to the batch.
* @exception SQLException if a database access error occurs,
* this method is called on a closed Statement or the
* driver does not support batch statements. Throws {@link BatchUpdateException}
* (a subclass of SQLException) if one of the commands sent to the
* database fails to execute properly or attempts to return a result set.
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
@Override
public long[] executeLargeBatch() throws SQLException {
return jdbcStatement.executeLargeBatch();
}
/**
* Executes the given SQL statement, which may be an INSERT,
* UPDATE, or DELETE statement or an
* SQL statement that returns nothing, such as an SQL DDL statement.
*
* @param sql an SQL Data Manipulation Language (DML) statement,
* such as INSERT, UPDATE or
* DELETE; or an SQL statement that returns nothing,
* such as a DDL statement.
*
* @return either (1) the row count for SQL Data Manipulation Language
* (DML) statements or (2) 0 for SQL statements that return nothing
*
* @exception SQLException if a database access error occurs,
* this method is called on a closed Statement, the given
* SQL statement produces a ResultSet object, the method is called on a
* PreparedStatement or CallableStatement
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
@Override
public long executeLargeUpdate(String sql) throws SQLException {
return jdbcStatement.executeLargeUpdate(sql);
}
/**
* Executes the given SQL statement and signals the driver with the
* given flag about whether the auto-generated keys produced by this
* Statement object should be made available for retrieval.
*
* @param sql an SQL Data Manipulation Language (DML) statement,
* such as INSERT, UPDATE or
* DELETE; or an SQL statement that returns nothing,
* such as a DDL statement.
*
* @param autoGeneratedKeys a flag indicating whether auto-generated keys
* should be made available for retrieval;
* one of the following constants:
* Statement.RETURN_GENERATED_KEYS
* Statement.NO_GENERATED_KEYS
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements
* or (2) 0 for SQL statements that return nothing
*
* @exception SQLException if a database access error occurs,
* this method is called on a closed Statement, the given
* SQL statement returns a ResultSet object,
* the given constant is not one of those allowed, the method is called on a
* PreparedStatement or CallableStatement
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support
* this method with a constant of Statement.RETURN_GENERATED_KEYS
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
@Override
public long executeLargeUpdate(String sql, int autoGeneratedKeys)
throws SQLException {
return jdbcStatement.executeLargeUpdate(sql, autoGeneratedKeys);
}
/**
* Executes the given SQL statement and signals the driver that the
* auto-generated keys indicated in the given array should be made available
* for retrieval.
*
* @param sql an SQL Data Manipulation Language (DML) statement,
* such as INSERT, UPDATE or
* DELETE; or an SQL statement that returns nothing,
* such as a DDL statement.
*
* @param columnIndexes an array of column indexes indicating the columns
* that should be returned from the inserted row
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements
* or (2) 0 for SQL statements that return nothing
*
* @exception SQLException if a database access error occurs,
* this method is called on a closed Statement, the SQL
* statement returns a ResultSet object,the second argument
* supplied to this method is not an
* int array whose elements are valid column indexes, the method is called on a
* PreparedStatement or CallableStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
@Override
public long executeLargeUpdate(String sql, int columnIndexes[]) throws SQLException {
return jdbcStatement.executeLargeUpdate(sql, columnIndexes);
}
/**
* Executes the given SQL statement and signals the driver that the
* auto-generated keys indicated in the given array should be made available
* for retrieval.
*
* @param sql an SQL Data Manipulation Language (DML) statement,
* such as INSERT, UPDATE or
* DELETE; or an SQL statement that returns nothing,
* such as a DDL statement.
* @param columnNames an array of the names of the columns that should be
* returned from the inserted row
* @return either the row count for INSERT, UPDATE,
* or DELETE statements, or 0 for SQL statements
* that return nothing
* @exception SQLException if a database access error occurs,
* this method is called on a closed Statement, the SQL
* statement returns a ResultSet object, the
* second argument supplied to this method is not a String array
* whose elements are valid column names, the method is called on a
* PreparedStatement or CallableStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
@Override
public long executeLargeUpdate(String sql, String columnNames[])
throws SQLException {
return jdbcStatement.executeLargeUpdate(sql, columnNames);
}
}
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