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
abstract void	close()
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
abstract ConnectionSource	getConnectionSource() Get a connection source
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
void	setApplicationId() Set the GeoPackage application id
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:

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 -

Returns:

setApplicationId

public void setApplicationId()

Set the GeoPackage application id