mil.nga.geopackage.db

Class GeoPackageCoreConnection

java.lang.Object

mil.nga.geopackage.db.GeoPackageCoreConnection

All Implemented Interfaces:

Closeable, AutoCloseable

public abstract class GeoPackageCoreConnection
extends Object
implements Closeable

GeoPackage Connection used to define common functionality within different connection types

Author:

osbornb

Constructor Summary

Constructors

Constructor and Description
GeoPackageCoreConnection()

Method Summary

Modifier and Type	Method and Description
void	addColumn(String tableName, String columnName, String columnDef) Add a new column to the table
abstract void	close()
abstract boolean	columnExists(String tableName, String columnName) Check if the table column exists
abstract int	count(String table, String where, String[] args) Get a count of results
abstract int	delete(String table, String whereClause, String[] whereArgs) Convenience method for deleting rows in the database.
abstract void	execSQL(String sql) Execute the sql
String	getApplicationId() Get the application id
abstract ConnectionSource	getConnectionSource() Get a connection source
int	getUserVersion() Get the user version
abstract Integer	max(String table, String column, String where, String[] args) Get the max result of the column
abstract Integer	min(String table, String column, String where, String[] args) Get the min result of the column
abstract Integer	querySingleIntResult(String sql, String[] args) Query for a single result integer
abstract String	querySingleStringResult(String sql, String[] args) Query for a single result string
void	setApplicationId() Set the GeoPackage application id
void	setApplicationId(String applicationId) Set the GeoPackage application id
void	setUserVersion() Set the GeoPackage user version
void	setUserVersion(int userVersion) Set the user version
boolean	tableExists(String tableName) Check if the table exists

Methods inherited from class java.lang.Object

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

Constructor Detail

GeoPackageCoreConnection

public GeoPackageCoreConnection()

Method Detail

getConnectionSource

public abstract ConnectionSource getConnectionSource()

Get a connection source

Returns:

connection source

execSQL

public abstract void execSQL(String sql)

Execute the sql

Parameters:

sql -

delete

public abstract int delete(String table,
                           String whereClause,
                           String[] whereArgs)

Convenience method for deleting rows in the database.

Parameters:

table -

whereClause -

whereArgs -

Returns:

rows deleted

count

public abstract int count(String table,
                          String where,
                          String[] args)

Get a count of results

Parameters:

table -

where -

args -

Returns:

count

min

public abstract Integer min(String table,
                            String column,
                            String where,
                            String[] args)

Get the min result of the column

Parameters:

table -

column -

where -

args -

Returns:

min or null

Since:

1.1.1

max

public abstract Integer max(String table,
                            String column,
                            String where,
                            String[] args)

Get the max result of the column

Parameters:

table -

column -

where -

args -

Returns:

max or null

Since:

1.1.1

close

public abstract void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

tableExists

public boolean tableExists(String tableName)

Check if the table exists

Parameters:

tableName - table name

Returns:

true if exists

columnExists

public abstract boolean columnExists(String tableName,
                                     String columnName)

Check if the table column exists

Parameters:

tableName - table name

columnName - column name

Returns:

true if column exists

Since:

1.1.8

addColumn

public void addColumn(String tableName,
                      String columnName,
                      String columnDef)

Add a new column to the table

Parameters:

tableName -

columnName -

columnDef -

Since:

1.1.8

querySingleStringResult

public abstract String querySingleStringResult(String sql,
                                               String[] args)

Query for a single result string

Parameters:

sql - sql statement

args - sql arguments

Returns:

single result object

Since:

1.1.8

querySingleIntResult

public abstract Integer querySingleIntResult(String sql,
                                             String[] args)

Query for a single result integer

Parameters:

sql - sql statement

args - sql arguments

Returns:

single result object

Since:

1.2.1

setApplicationId

public void setApplicationId()

Set the GeoPackage application id

setApplicationId

public void setApplicationId(String applicationId)

Set the GeoPackage application id

Parameters:

applicationId - application id

Since:

1.2.1

getApplicationId

public String getApplicationId()

Get the application id

Returns:

application id

Since:

1.2.1

setUserVersion

public void setUserVersion()

Set the GeoPackage user version

Since:

1.2.1

setUserVersion

public void setUserVersion(int userVersion)

Set the user version

Parameters:

userVersion - user version

Since:

1.2.1

getUserVersion

public int getUserVersion()

Get the user version

Returns:

user version

Since:

1.2.1