ch.agent.crnickl.mongodb
Class ReadMethodsForSchema

java.lang.Object
  ch.agent.crnickl.impl.DatabaseMethodsImpl
      ch.agent.crnickl.mongodb.MongoDatabaseMethods
          ch.agent.crnickl.mongodb.ReadMethodsForSchema

All Implemented Interfaces:

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

Direct Known Subclasses:

WriteMethodsForSchema

public class ReadMethodsForSchema
extends MongoDatabaseMethods

A stateless object with methods providing read access to schemas.

Author:

Jean-Paul Vetterli

Nested Class Summary

Nested classes/interfaces inherited from class ch.agent.crnickl.mongodb.MongoDatabaseMethods

MongoDatabaseMethods.Operator

Constructor Summary

ReadMethodsForSchema()

Method Summary

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 db, String pattern) Find a collection of schema surrogates with labels matching a pattern.

Methods inherited from class ch.agent.crnickl.mongodb.MongoDatabaseMethods

addOperation, asQuery, compositeName, extractRegexp, getId, getId, getIdOrZero, getMongoDB, getMongoDB, getMongoDB, getObject, getObjectId, makeSurrogate, mongoObject, operation

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 db,
                                                                         String pattern)
                                                                  throws ch.agent.crnickl.T2DBException

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

Parameters:

db - a database

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

Returns:

a collection of schema surrogates

Throws:

ch.agent.crnickl.T2DBException