ch.agent.crnickl.jdbc

Class ReadMethodsForProperty

java.lang.Object

ch.agent.crnickl.impl.DatabaseMethodsImpl

ch.agent.crnickl.jdbc.JDBCDatabaseMethods

ch.agent.crnickl.jdbc.ReadMethodsForProperty

All Implemented Interfaces:

ch.agent.crnickl.impl.DatabaseMethods, ch.agent.crnickl.impl.PermissionChecker

Direct Known Subclasses:

WriteMethodsForProperty

public class ReadMethodsForProperty
extends JDBCDatabaseMethods

A stateless object with methods providing read access to properties.

Author:

Jean-Paul Vetterli

Constructor Summary

Constructors

Constructor and Description
ReadMethodsForProperty()

Method Summary

Modifier and Type	Method and Description
Collection<ch.agent.crnickl.api.Property<?>>	getProperties(ch.agent.crnickl.api.Database database, String pattern) Find a collection of properties with names matching a simple pattern.
ch.agent.crnickl.api.Property<?>	getProperty(ch.agent.crnickl.api.Database database, String name) Find a property by its name in a database.
ch.agent.crnickl.api.Property<?>	getProperty(ch.agent.crnickl.api.Surrogate surrogate) Find a property corresponding to a surrogate.

Methods inherited from class ch.agent.crnickl.jdbc.JDBCDatabaseMethods

close, executeAndGetNewId, getId, getId, getIdOrZero, makeSurrogate, open, open, open

Methods inherited from class ch.agent.crnickl.impl.DatabaseMethodsImpl

check, check, check, check, checkIntegrity, makeSurrogate, makeSurrogate

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadMethodsForProperty

public ReadMethodsForProperty()

Method Detail

getProperty

public ch.agent.crnickl.api.Property<?> getProperty(ch.agent.crnickl.api.Database database,
                                                    String name)
                                             throws ch.agent.crnickl.T2DBException

Find a property by its name in a database.

Parameters:

database - a database

name - a string

Returns:

a property or null

Throws:

ch.agent.crnickl.T2DBException

getProperties

public Collection<ch.agent.crnickl.api.Property<?>> getProperties(ch.agent.crnickl.api.Database database,
                                                                  String pattern)
                                                           throws ch.agent.crnickl.T2DBException

Find a collection of properties with names matching a simple pattern.

Parameters:

database - a database

pattern - a simple pattern where "*" stands for zero or more characters

Returns:

a collection of properties, possibly empty, never null

Throws:

ch.agent.crnickl.T2DBException

getProperty

public ch.agent.crnickl.api.Property<?> getProperty(ch.agent.crnickl.api.Surrogate surrogate)
                                             throws ch.agent.crnickl.T2DBException

Find a property corresponding to a surrogate.

Parameters:

surrogate - a surrogate

Returns:

a property or null

Throws:

ch.agent.crnickl.T2DBException