ch.agent.crnickl.jdbc
Class ReadMethodsForSchema

java.lang.Object
  ch.agent.crnickl.impl.DatabaseMethodsImpl
      ch.agent.crnickl.jdbc.JDBCDatabaseMethods
          ch.agent.crnickl.jdbc.ReadMethodsForSchema

All Implemented Interfaces:

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

Direct Known Subclasses:

WriteMethodsForSchema

public class ReadMethodsForSchema
extends JDBCDatabaseMethods

A stateless object with methods providing read access to schemas.

Author:

Jean-Paul Vetterli

Nested Class Summary

protected class

ReadMethodsForSchema.RawSchema A raw schema object keeps track of the id, the name and the parent of a schema.

Constructor Summary

ReadMethodsForSchema()

Method Summary

protected ReadMethodsForSchema.RawSchema	getRawSchema(ch.agent.crnickl.api.Surrogate surrogate) Find a raw schema corresponding to a surrogate.
ch.agent.crnickl.api.UpdatableSchema	getSchema(ch.agent.crnickl.api.Surrogate surrogate) Find a schema corresponding to a surrogate.
Collection<ch.agent.crnickl.api.Surrogate>	getSchemaSurrogateList(ch.agent.crnickl.api.Database database, String pattern) Find a collection of schema surrogates with labels matching a pattern.

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

ReadMethodsForSchema

public ReadMethodsForSchema()

Method Detail

getSchema

public ch.agent.crnickl.api.UpdatableSchema getSchema(ch.agent.crnickl.api.Surrogate surrogate)
                                               throws ch.agent.crnickl.T2DBException

Find a schema corresponding to a surrogate.

Parameters:

surrogate - a surrogate

Returns:

a schema or null

Throws:

ch.agent.crnickl.T2DBException

getSchemaSurrogateList

public Collection<ch.agent.crnickl.api.Surrogate> getSchemaSurrogateList(ch.agent.crnickl.api.Database database,
                                                                         String pattern)
                                                                  throws ch.agent.crnickl.T2DBException

Find a collection of schema surrogates with labels matching a pattern.

Parameters:

database - a database

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

Returns:

a collection of schema surrogates

Throws:

ch.agent.crnickl.T2DBException

getRawSchema

protected ReadMethodsForSchema.RawSchema getRawSchema(ch.agent.crnickl.api.Surrogate surrogate)
                                               throws ch.agent.crnickl.T2DBException

Find a raw schema corresponding to a surrogate.

Parameters:

surrogate - a surrogate

Returns:

a raw schema or null

Throws:

ch.agent.crnickl.T2DBException