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Java Source Code / Java Documentation » J2EE » Sofia » com.salmonllc.sql

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Class Diagram

Java Document (Java Doc)

com.salmonllc.sql .DataStoreQBEInterface

All known Subclasses:   com.salmonllc.hibernate .HibernateDataStore,
DataStoreQBEInterface
public interface DataStoreQBEInterface (Code)
This interface is for DataStores that should work with the QBEBuilder

Method Summary
public int estimateRowsRetrieved(String criteria)
     Use this method to get the amount of rows that will be retrieved when a data store retrieve is executed.
public String getAlias(int tableNo)
     This method returns the name of one of the aliases used by the datastore.
public int getAliasCount()
     This method returns the number of aliases used by the datastore.
public int getColumnCount()
     This method returns the number of columns in the datastore.
public String getColumnDatabaseName(int col)
     This method returns the database name of the column in the data store given its index.
public int getColumnIndex(String column)
     This method returns the index of the column in the data store given its name.
public String getColumnTableName(int col)
     This method returns the name of the database table that the column is for.
public ColumnDefinition[] getColumnsForTable(String table)
     Returns a list of column definitions for a particular table in the database that the datastore is using.
public String getDBMS()

public String getTable(int tableNo)
     This method returns the name of one of the tables used by the datastore.
public void retrieve(String criteria)
     Executes the sql statement and retrieves to data.

Method Detail
estimateRowsRetrieved
public int estimateRowsRetrieved(String criteria) throws Exception(Code)
Use this method to get the amount of rows that will be retrieved when a data store retrieve is executed.
Parameters:
  criteria - The selection criteria to use for the select.

getAlias
public String getAlias(int tableNo) throws DataStoreException(Code)
This method returns the name of one of the aliases used by the datastore. Use the method getAliasCount() to find out how many tables or aliases are used by the datastore. The table name.

getAliasCount
public int getAliasCount()(Code)
This method returns the number of aliases used by the datastore.

getColumnCount
public int getColumnCount()(Code)
This method returns the number of columns in the datastore.

getColumnDatabaseName
public String getColumnDatabaseName(int col) throws DataStoreException(Code)
This method returns the database name of the column in the data store given its index.

getColumnIndex
public int getColumnIndex(String column)(Code)
This method returns the index of the column in the data store given its name. The column number or -1 if the column name is not found.
Parameters:
  column - The name of the column to search for.

getColumnTableName
public String getColumnTableName(int col) throws DataStoreException(Code)
This method returns the name of the database table that the column is for.

getColumnsForTable
public ColumnDefinition[] getColumnsForTable(String table)(Code)
Returns a list of column definitions for a particular table in the database that the datastore is using. Note, the datastore must have an app name for this method to work.

getDBMS
public String getDBMS()(Code)
Returns the name of the database engine being used

getTable
public String getTable(int tableNo) throws DataStoreException(Code)
This method returns the name of one of the tables used by the datastore. Use the method getAliasCount() to find out how many tables or aliases are used by the datastore. The table name.

retrieve
public void retrieve(String criteria) throws java.sql.SQLException, DataStoreException(Code)
Executes the sql statement and retrieves to data. The data is retrieved in a new thread so the beginning of the result set can be accessed before all the data has been retrieved.
Parameters:
  criteria - Additional selection criteria to use to limit the result set

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