org.eclipse.smila.importing.crawler.jdbc

Interface DbAccessService

All Known Implementing Classes:

JdbcDbAccessService

public interface DbAccessService

Method Summary

Methods

Modifier and Type	Method and Description
SqlExecutor	executePrepared(java.lang.String url, AnyMap dbProperties, java.lang.String sql, long maxAttachmentSize, MessageCollector messages) For executing an SQL statement multiple times with different parameters.
SqlExecutor	executePrepared(java.lang.String url, java.util.Properties dbProperties, java.lang.String sql, long maxAttachmentSize, MessageCollector messages)
java.util.Collection<Record>	executeSql(java.lang.String url, AnyMap dbProperties, java.lang.String sql, long maxAttachmentSize, MessageCollector messages) Executes single SQL statement.
java.util.Collection<Record>	executeSql(java.lang.String url, java.util.Properties dbProperties, java.lang.String sql, long maxAttachmentSize, MessageCollector messages)

Method Detail

executeSql

java.util.Collection<Record> executeSql(java.lang.String url,
                                      AnyMap dbProperties,
                                      java.lang.String sql,
                                      long maxAttachmentSize,
                                      MessageCollector messages)
                                        throws java.sql.SQLException,
                                               java.io.IOException

Executes single SQL statement.

Parameters:

url - the database connection URL of the form jdbc:subprotocol:subname

dbProperties - connection properties, e.g. "user" and "password"

sql - the SQL statement to execute

Returns:

the SQL result as collection of records, one row -> one record

Throws:

java.sql.SQLException

java.io.IOException

executeSql

java.util.Collection<Record> executeSql(java.lang.String url,
                                      java.util.Properties dbProperties,
                                      java.lang.String sql,
                                      long maxAttachmentSize,
                                      MessageCollector messages)
                                        throws java.sql.SQLException,
                                               java.io.IOException

Throws:

java.sql.SQLException

java.io.IOException

See Also:

DbAccessService.executeSql(String, AnyMap, String), we just use Properties instead of AnyMap here

executePrepared

SqlExecutor executePrepared(java.lang.String url,
                          AnyMap dbProperties,
                          java.lang.String sql,
                          long maxAttachmentSize,
                          MessageCollector messages)
                            throws java.sql.SQLException

For executing an SQL statement multiple times with different parameters. The given SQL statement is used as PreparedStatement. An SqlExecutor is returned which allows multiple executions of the same statement with different parameters.

Parameters:

url - the database connection URL of the form jdbc:subprotocol:subname

dbProperties - connection properties, e.g. "user" and "password"

sql - the SQL statement to execute, used as PreparedStatement

Returns:

An SqlExecutor for multiple execution of the given sql statement with different parameters.

Throws:

java.sql.SQLException

executePrepared

SqlExecutor executePrepared(java.lang.String url,
                          java.util.Properties dbProperties,
                          java.lang.String sql,
                          long maxAttachmentSize,
                          MessageCollector messages)
                            throws java.sql.SQLException

Throws:

java.sql.SQLException

See Also:

DbAccessService.executePrepared(String, AnyMap, String), we just use Properties instead of AnyMap here