com.beyondconstraint.sqlking.database

Class DatabaseController

java.lang.Object

com.beyondconstraint.sqlking.database.DatabaseController

public class DatabaseController
extends java.lang.Object

A SQLite database helper class that handles the creation and updating of database tables. SQL statements that create tables should be defined here, they should then be executed from the onCreate method. Drop queries should also be provided for the database update.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DatabaseController()

Method Summary

Methods

Modifier and Type	Method and Description
InsertQuery	createInsertQuery(Model model)
java.lang.String	getClause(Clause[] clause) Build the conditional clause
java.lang.String[]	getClauseArgs(Clause[] clause) Build the clause arguments
android.content.ContentValues	getContentValuesFromModel(Model model) Populate a ContentValues collection based on the field values stored in baseModel
java.lang.String	getLimit(Limit limit) Build the limit keyword part of the SQL statement
java.lang.String	getOrderBy(OrderBy orderBy) Build the order by keyword part of the SQL statement
java.lang.String[]	getSQLColumnNamesFromModel(java.lang.Class<?> classDef) Retrieve the column names for the provided BaseModel
static java.lang.String	getSQLDataTypeFromClassRef(java.lang.Class<?> classDef) Determine the data type of the provided class reference and return the associated SQL data type
java.lang.String	getTableName(java.lang.Class<?> classDef) The table name is determined by the model class name
java.lang.String	getTableName(Model model) The table name is determined by the model class name
<T> T[]	retrieveSQLSelectResults(java.lang.Class<?> classDef, android.database.Cursor cursor) A generic method that takes any class interface that extends BaseModel, it takes the provided cursor and populates a new instance of the provided BaseModel interface with the results.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatabaseController

protected DatabaseController()

Method Detail

getTableName

public java.lang.String getTableName(java.lang.Class<?> classDef)

The table name is determined by the model class name

Parameters:

classDef -

Returns:

getTableName

public java.lang.String getTableName(Model model)

The table name is determined by the model class name

Parameters:

model -

Returns:

getClause

public java.lang.String getClause(Clause[] clause)

Build the conditional clause

Parameters:

clause -

Returns:

getClauseArgs

public java.lang.String[] getClauseArgs(Clause[] clause)

Build the clause arguments

Parameters:

clause -

Returns:

getOrderBy

public java.lang.String getOrderBy(OrderBy orderBy)

Build the order by keyword part of the SQL statement

Parameters:

orderBy -

Returns:

getLimit

public java.lang.String getLimit(Limit limit)

Build the limit keyword part of the SQL statement

Parameters:

limit -

Returns:

createInsertQuery

public InsertQuery createInsertQuery(Model model)

getSQLColumnNamesFromModel

public java.lang.String[] getSQLColumnNamesFromModel(java.lang.Class<?> classDef)

Retrieve the column names for the provided BaseModel

Parameters:

classDef - The classDef of the model to retrieve the column name for

Returns:

An array of column names associated with the provided BaseModel

getContentValuesFromModel

public android.content.ContentValues getContentValuesFromModel(Model model)

Populate a ContentValues collection based on the field values stored in baseModel

Parameters:

model - The baseModel to get the ContentValues from

Returns:

The ContentValues object populated from the provided baseModel

retrieveSQLSelectResults

public <T> T[] retrieveSQLSelectResults(java.lang.Class<?> classDef,
                               android.database.Cursor cursor)

A generic method that takes any class interface that extends BaseModel, it takes the provided cursor and populates a new instance of the provided BaseModel interface with the results.

Parameters:

classDef - The class interface to return the cursor results in

cursor - The provided SQLite cursor that the results should be populated from

Returns:

getSQLDataTypeFromClassRef

public static java.lang.String getSQLDataTypeFromClassRef(java.lang.Class<?> classDef)

Determine the data type of the provided class reference and return the associated SQL data type

Parameters:

classDef - The class reference

Returns:

The SQL data type to return