LinkFuture.Core.DBHelper

Class DBHelper

java.lang.Object

LinkFuture.Core.DBHelper.DBHelper

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

GenericDBHelper

public class DBHelper
extends Object
implements AutoCloseable

Field Summary

Fields

Modifier and Type	Field and Description
static List<Integer>	comparableTypes
DBTypeInfo	DBType
String	dbUrl
Map<String,SPParameterInfo>	inputParameterList
static List<Integer>	likeableTypes
static List<Integer>	numberTypes
static Map<String,String>	postgreSQLTypeNameToJava
static Map<String,Integer>	postgreSQLTypeNameToSQLType
SPInfo	SPMetaInfo
static Map<Integer,String>	sqlTypeToJava
Statement	statement
static List<Integer>	stringTypes

Constructor Summary

Constructors

Constructor and Description
DBHelper(Connection conn)
DBHelper(String connectionString)

Method Summary

Modifier and Type	Method and Description
void	addOutParameter(String name)
void	addParameter(String name, Object value)
void	close()
ArrayList<ArrayList<?>>	executeSP(String commandText, Class<?>... outputType)
<T> ArrayList<T>	executeSP(String commandText, Class<T> outputType)
int	executeSQL(String sql)
ArrayList<ArrayList<?>>	executeSQL(String sql, Class<?>... outputType)
<T> ArrayList<T>	executeSQL(String sql, Class<T> outputType)
org.json.JSONObject	executeToJson(String commandText, CommandTypeInfo commandType)
String	executeToXml(String commandText, CommandTypeInfo commandType)
ConcurrentHashMap<String,TableInfo>	findAllTableInfo()
ConcurrentHashMap<String,TableInfo>	findAllTypeInfo()
static HashMap<String,FieldInfo>	findClassFieldInfo(Class<?> type)
static TableInfo	findResultsColumnInfo(ResultSetMetaData rsMeta)
SPInfo	findSPInfo(String spName)
static SPInfo	findSPMetaInfo(String connectionString, String spName, CommandTypeInfo commandType)
TableInfo	findTableInfo(String tableName)
static TableInfo	findTableInfo(String connectionString, String tableName)
SPInfo	findTSQLInfo(String commandText)
static ArrayList<String>	findTSQLParameters(String content) Search TSQL script find parameter with following format $param, it will find $name and $size SELECT * from world.city where name=$name limit 0,$size
static TableInfo	findTypeInfo(Connection conn, String typeName)
TableInfo	findTypeInfo(String typeName)
static Connection	getConnection(String connectionString)
Connection	getCurrentConnection()
Map<String,Object>	getOutputParameterList()
HashMap<String,ColumnInfo>	getTableColumnList(String tableName)
protected String	getUniqueSqlParameterName(String paramName)
List<Object>	insert(String commandText)
void	printResult(ResultSet rs)
static Map<String,Object>	ReadOutputParameterList(SPInfo spMetaInfo, CallableStatement callableStatement, DBTypeInfo dbType)
static int	sqlTypeNameToType(String sqlTypeName)
Object	toSQLArray(SPParameterInfo param, Object value)
Object	toSQLStruct(String sqlTypeName, Object value)

Methods inherited from class java.lang.Object

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

Field Detail

comparableTypes

public static final List<Integer> comparableTypes

likeableTypes

public static final List<Integer> likeableTypes

numberTypes

public static final List<Integer> numberTypes

stringTypes

public static final List<Integer> stringTypes

inputParameterList

public Map<String,SPParameterInfo> inputParameterList

dbUrl

public String dbUrl

SPMetaInfo

public SPInfo SPMetaInfo

statement

public Statement statement

DBType

public DBTypeInfo DBType

postgreSQLTypeNameToJava

public static final Map<String,String> postgreSQLTypeNameToJava

postgreSQLTypeNameToSQLType

public static final Map<String,Integer> postgreSQLTypeNameToSQLType

sqlTypeToJava

public static final Map<Integer,String> sqlTypeToJava

Constructor Detail

DBHelper

public DBHelper(Connection conn)
         throws SQLException,
                ClassNotFoundException

Throws:

SQLException

ClassNotFoundException

DBHelper

public DBHelper(String connectionString)
         throws IOException,
                SQLException,
                ClassNotFoundException,
                NamingException

Throws:

IOException

SQLException

ClassNotFoundException

NamingException

Method Detail

getConnection

public static Connection getConnection(String connectionString)
                                throws SQLException,
                                       NamingException,
                                       ClassNotFoundException

Throws:

SQLException

NamingException

ClassNotFoundException

getCurrentConnection

public Connection getCurrentConnection()

addParameter

public void addParameter(String name,
                         Object value)

addOutParameter

public void addOutParameter(String name)

executeSP

public ArrayList<ArrayList<?>> executeSP(String commandText,
                                         Class<?>... outputType)
                                  throws Exception

Throws:

Exception

executeSP

public <T> ArrayList<T> executeSP(String commandText,
                                  Class<T> outputType)
                           throws Exception

Throws:

Exception

executeToXml

public String executeToXml(String commandText,
                           CommandTypeInfo commandType)
                    throws Exception

Throws:

Exception

executeToJson

public org.json.JSONObject executeToJson(String commandText,
                                         CommandTypeInfo commandType)
                                  throws Exception

Throws:

Exception

executeSQL

public ArrayList<ArrayList<?>> executeSQL(String sql,
                                          Class<?>... outputType)
                                   throws Exception

Throws:

Exception

executeSQL

public <T> ArrayList<T> executeSQL(String sql,
                                   Class<T> outputType)
                            throws Exception

Throws:

Exception

executeSQL

public int executeSQL(String sql)
               throws Exception

Throws:

Exception

insert

public List<Object> insert(String commandText)
                    throws Exception

Throws:

Exception

close

public void close()

Specified by:

close in interface AutoCloseable

toSQLArray

public Object toSQLArray(SPParameterInfo param,
                         Object value)
                  throws Exception

Throws:

Exception

toSQLStruct

public Object toSQLStruct(String sqlTypeName,
                          Object value)
                   throws Exception

Throws:

Exception

getUniqueSqlParameterName

protected String getUniqueSqlParameterName(String paramName)

findSPInfo

public SPInfo findSPInfo(String spName)
                  throws SQLException

Throws:

SQLException

printResult

public void printResult(ResultSet rs)
                 throws SQLException

Throws:

SQLException

findTSQLInfo

public SPInfo findTSQLInfo(String commandText)
                    throws SQLException,
                           NoSuchMethodException,
                           IllegalAccessException,
                           InvocationTargetException

Throws:

SQLException

NoSuchMethodException

IllegalAccessException

InvocationTargetException

findTypeInfo

public TableInfo findTypeInfo(String typeName)
                       throws Exception

Throws:

Exception

findTypeInfo

public static TableInfo findTypeInfo(Connection conn,
                                     String typeName)
                              throws Exception

Throws:

Exception

findAllTableInfo

public ConcurrentHashMap<String,TableInfo> findAllTableInfo()
                                                     throws Exception

Throws:

Exception

findAllTypeInfo

public ConcurrentHashMap<String,TableInfo> findAllTypeInfo()
                                                    throws Exception

Throws:

Exception

findTableInfo

public TableInfo findTableInfo(String tableName)
                        throws Exception

Throws:

Exception

getTableColumnList

public HashMap<String,ColumnInfo> getTableColumnList(String tableName)
                                              throws Exception

Throws:

Exception

findSPMetaInfo

public static SPInfo findSPMetaInfo(String connectionString,
                                    String spName,
                                    CommandTypeInfo commandType)
                             throws SQLException,
                                    ClassNotFoundException,
                                    IOException,
                                    NamingException,
                                    NoSuchMethodException,
                                    IllegalAccessException,
                                    InvocationTargetException

Throws:

SQLException

ClassNotFoundException

IOException

NamingException

NoSuchMethodException

IllegalAccessException

InvocationTargetException

findTableInfo

public static TableInfo findTableInfo(String connectionString,
                                      String tableName)
                               throws Exception

Throws:

Exception

findTSQLParameters

public static ArrayList<String> findTSQLParameters(String content)
                                            throws NoSuchMethodException,
                                                   IllegalAccessException,
                                                   InvocationTargetException

Search TSQL script find parameter with following format $param, it will find $name and $size SELECT * from world.city where name=$name limit 0,$size

Parameters:

content - TSQL String

Returns:

TSQLParameters

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

findResultsColumnInfo

public static TableInfo findResultsColumnInfo(ResultSetMetaData rsMeta)
                                       throws SQLException

Throws:

SQLException

findClassFieldInfo

public static HashMap<String,FieldInfo> findClassFieldInfo(Class<?> type)
                                                    throws Exception

Throws:

Exception

ReadOutputParameterList

public static Map<String,Object> ReadOutputParameterList(SPInfo spMetaInfo,
                                                         CallableStatement callableStatement,
                                                         DBTypeInfo dbType)
                                                  throws SQLException

Throws:

SQLException

getOutputParameterList

public Map<String,Object> getOutputParameterList()
                                          throws SQLException

Throws:

SQLException

sqlTypeNameToType

public static int sqlTypeNameToType(String sqlTypeName)
                             throws IllegalAccessException

Throws:

IllegalAccessException