Java Doc for textFileTable.java in  » Database-DBMS » TinySQL » com » sqlmagic » tinysql » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » TinySQL » com.sqlmagic.tinysql   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.sqlmagic.tinysql.tinySQLTable       com.sqlmagic.tinysql.textFileTable textFileTable public class textFileTable extends tinySQLTable (Code) author:    Thomas Morgner Changed column types to java.sql.types. Field Summary  int COLUMN_POS       int COLUMN_SIZE       int COLUMN_TYPE      public  String dataDir       RandomAccessFile ftbl       long record_length       long record_number      Constructor Summary   textFileTable(String dDir, String table_name)      Constructs a textFileTable. Method Summary public  int ColDec(String column)      public  int ColSize(String column)      public  int ColType(String column)      Returns the datatype of a column. Parameters:   column - name of the column. See Also:   tinySQLTable.ColType author:    Thomas Morgner author:    Q&D Hack, Just assume everybody uses java.sql.Types-IntegerConstants author:    as Type Declaration. public  void DeleteRow()      Delete the current row. public  String GetCol(String column)      Retrieve a column's string value from the current row. public  int GetRowCount()      public  void GoTop()      Position the record pointer at the top of the table. public  void InsertRow(Vector c, Vector v)      Insert a row. public  boolean NextRecord()      Advance the record pointer to the next record. public  void UpdateCol(String column, String value)      Update a single column. public  void UpdateCurrentRow(Vector c, Vector v)      Updates the current row in the table. public  void close()      close method. public  int getRecordLength()      public  boolean isDeleted()      public  boolean isOpen()      Check if file is open for writing.  void readColumnInfo()      Field Detail COLUMN_POS int COLUMN_POS(Code) COLUMN_SIZE int COLUMN_SIZE(Code) COLUMN_TYPE int COLUMN_TYPE(Code) dataDir public String dataDir(Code) ftbl RandomAccessFile ftbl(Code) record_length long record_length(Code) record_number long record_number(Code) Constructor Detail textFileTable textFileTable(String dDir, String table_name) throws tinySQLException(Code) Constructs a textFileTable. This is only called by getTable() in textFile.java. Parameters:   dDir - data directory Parameters:   table_name - the name of the table Method Detail ColDec public int ColDec(String column)(Code) ColSize public int ColSize(String column)(Code) Returns the size of a column Parameters:   column - name of the column See Also:   tinySQLTable.ColSize ColType public int ColType(String column)(Code) Returns the datatype of a column. Parameters:   column - name of the column. See Also:   tinySQLTable.ColType author:    Thomas Morgner author:    Q&D Hack, Just assume everybody uses java.sql.Types-IntegerConstants author:    as Type Declaration. Perhaps there could be an translation function, author:    which converts Strings to Integer-Types. DeleteRow public void DeleteRow() throws tinySQLException(Code) Delete the current row. See Also:   tinySQLTable.DeleteRow GetCol public String GetCol(String column) throws tinySQLException(Code) Retrieve a column's string value from the current row. Parameters:   column - the column name See Also:   tinySQLTable.GetCol GetRowCount public int GetRowCount()(Code) GoTop public void GoTop() throws tinySQLException(Code) Position the record pointer at the top of the table. See Also:   tinySQLTable.GoTop InsertRow public void InsertRow(Vector c, Vector v) throws tinySQLException(Code) Insert a row. If c or v == null, insert a blank row Parameters:   c - Ordered Vector of column names Parameters:   v - Ordered Vector (must match order of c) of values See Also:   tinySQLTable.InsertRow NextRecord public boolean NextRecord() throws tinySQLException(Code) Advance the record pointer to the next record. See Also:   tinySQLTable.NextRecord UpdateCol public void UpdateCol(String column, String value) throws tinySQLException(Code) Update a single column. Parameters:   column - the column name Parameters:   value - the String value with which update the column See Also:   tinySQLTable.UpdateCol UpdateCurrentRow public void UpdateCurrentRow(Vector c, Vector v) throws tinySQLException(Code) Updates the current row in the table. Parameters:   c - Ordered Vector of column names Parameters:   v - Ordered Vector (must match order of c) of values See Also:   tinySQLTable.UpdateCurrentRow close public void close() throws tinySQLException(Code) close method. Try not to call this until you are sure the object is about to go out of scope. getRecordLength public int getRecordLength()(Code) Length in bytes of one rowor 0 if not known isDeleted public boolean isDeleted() throws tinySQLException(Code) Is the current row deleted? See Also:   tinySQLTable.isDeleted isOpen public boolean isOpen() throws tinySQLException(Code) Check if file is open for writing. readColumnInfo void readColumnInfo() throws tinySQLException(Code) Fields inherited from com.sqlmagic.tinysql.tinySQLTable public Vector columnNameKeys(Code)(Java Doc) public Hashtable column_info(Code)(Java Doc) public String table(Code)(Java Doc) public String tableAlias(Code)(Java Doc) Methods inherited from com.sqlmagic.tinysql.tinySQLTable abstract public int ColDec(String column) throws tinySQLException(Code)(Java Doc) abstract public int ColSize(String column) throws tinySQLException(Code)(Java Doc) abstract public int ColType(String column) throws tinySQLException(Code)(Java Doc) abstract public void DeleteRow() throws tinySQLException(Code)(Java Doc) abstract public String GetCol(String column) throws tinySQLException(Code)(Java Doc) abstract public int GetRowCount() throws tinySQLException(Code)(Java Doc) abstract public void GoTop() throws tinySQLException(Code)(Java Doc) abstract public void InsertRow(Vector c, Vector v) throws tinySQLException(Code)(Java Doc) abstract public boolean NextRecord() throws tinySQLException(Code)(Java Doc) abstract public void UpdateCol(String column, String value) throws tinySQLException(Code)(Java Doc) abstract public void UpdateCurrentRow(Vector c, Vector v) throws tinySQLException(Code)(Java Doc) abstract public void close() throws tinySQLException(Code)(Java Doc) abstract public int getRecordLength()(Code)(Java Doc) abstract public boolean isDeleted() throws tinySQLException(Code)(Java Doc) abstract public boolean isOpen() throws tinySQLException(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)