Package ai.dat.core.adapter

Class GenericSqlDatabaseAdapter

java.lang.Object

ai.dat.core.adapter.GenericSqlDatabaseAdapter

All Implemented Interfaces:

DatabaseAdapter

public abstract class GenericSqlDatabaseAdapter
extends Object
implements DatabaseAdapter

Field Summary

Fields

Modifier and Type	Field	Description
protected final DataSource	dataSource
protected final SemanticAdapter	semanticAdapter

Constructor Summary

Constructors

Constructor	Description
GenericSqlDatabaseAdapter(SemanticAdapter semanticAdapter, DataSource dataSource)

Method Summary

Modifier and Type	Method	Description
protected void	createTable(Connection conn, Table table)
protected void	dropTableIfExists(Connection conn, String tableName)
List<Map<String,Object>>	executeQuery(String sql)
String	generateSql(@NonNull String semanticSql, @NonNull List<SemanticModel> semanticModels)
List<ColumnMetadata>	getColumnMetadata(String sql)
protected String	getCreateTableSql(Table table)
protected String	getDropTableSqlIfExists(String tableName)
protected String	getInsertSql(Table table)
protected abstract Object	handleSpecificTypes(Object value, int columnType)
void	initTable(Table table, List<List<String>> data)
protected void	insertTable(Connection conn, Table table, List<List<String>> data)
protected String	quoteIdentifier(String identifier)
SemanticAdapter	semanticAdapter()
protected void	setInsertParameters(PreparedStatement stmt, List<String> row, List<Column> columns)
protected void	setParameterValue(PreparedStatement stmt, int parameterIndex, String value, String dataType)
protected String	stringDataType()
protected abstract int	toColumnType(String dataType)	从数据类型映射到JDBC类型

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ai.dat.core.adapter.DatabaseAdapter

toAnsiSqlType

Field Details

semanticAdapter

protected final SemanticAdapter semanticAdapter

dataSource

protected final DataSource dataSource

Constructor Details

GenericSqlDatabaseAdapter

public GenericSqlDatabaseAdapter(SemanticAdapter semanticAdapter,
 DataSource dataSource)

Method Details

semanticAdapter

public SemanticAdapter semanticAdapter()

Specified by:

semanticAdapter in interface DatabaseAdapter

generateSql

public String generateSql(@NonNull
 @NonNull String semanticSql,
 @NonNull
 @NonNull List<SemanticModel> semanticModels)

Specified by:

generateSql in interface DatabaseAdapter

executeQuery

public List<Map<String,Object>> executeQuery(String sql)
                                      throws SQLException

Specified by:

executeQuery in interface DatabaseAdapter

Throws:

SQLException

handleSpecificTypes

protected abstract Object handleSpecificTypes(Object value,
 int columnType)

getColumnMetadata

public List<ColumnMetadata> getColumnMetadata(String sql)
                                       throws SQLException

Specified by:

getColumnMetadata in interface DatabaseAdapter

Throws:

SQLException

initTable

public void initTable(Table table,
 List<List<String>> data)
               throws SQLException

Specified by:

initTable in interface DatabaseAdapter

Throws:

SQLException

dropTableIfExists

protected void dropTableIfExists(Connection conn,
 String tableName)

createTable

protected void createTable(Connection conn,
 Table table)
                    throws SQLException

Throws:

SQLException

getDropTableSqlIfExists

protected String getDropTableSqlIfExists(String tableName)

getCreateTableSql

protected String getCreateTableSql(Table table)

stringDataType

protected String stringDataType()

insertTable

protected void insertTable(Connection conn,
 Table table,
 List<List<String>> data)
                    throws SQLException

Throws:

SQLException

getInsertSql

protected String getInsertSql(Table table)

setInsertParameters

protected void setInsertParameters(PreparedStatement stmt,
 List<String> row,
 List<Column> columns)
                            throws SQLException

Throws:

SQLException

setParameterValue

protected void setParameterValue(PreparedStatement stmt,
 int parameterIndex,
 String value,
 String dataType)
                          throws SQLException

Throws:

SQLException

toColumnType

protected abstract int toColumnType(String dataType)

从数据类型映射到JDBC类型

Parameters:

dataType -

Returns:

quoteIdentifier

protected String quoteIdentifier(String identifier)