ch.agent.crnickl.mongodb

Class WriteMethodsForProperty

java.lang.Object

ch.agent.crnickl.impl.DatabaseMethodsImpl

ch.agent.crnickl.mongodb.MongoDatabaseMethods

ch.agent.crnickl.mongodb.ReadMethodsForProperty

ch.agent.crnickl.mongodb.WriteMethodsForProperty

All Implemented Interfaces:

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

public class WriteMethodsForProperty
extends ReadMethodsForProperty

A stateless object with methods providing write access to properties.

A property in MongoDB is stored as:

 { _id : OID, 
   name : STRING, 
   type : OID, 
   indexed : BOOLEAN 
 }
 

The type field identifies the value type.

Author:

Jean-Paul Vetterli

Nested Class Summary

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

MongoDatabaseMethods.Operator

Constructor Summary

Constructors

Constructor and Description
WriteMethodsForProperty()

Method Summary

Modifier and Type	Method and Description
<T> void	createProperty(ch.agent.crnickl.api.Property<T> prop) Create a new property and return its key.
<T> void	deleteProperty(ch.agent.crnickl.api.Property<T> prop, ch.agent.crnickl.impl.SchemaUpdatePolicy policy) Delete the property.
void	updateProperty(ch.agent.crnickl.api.Property<?> prop, ch.agent.crnickl.impl.SchemaUpdatePolicy policy) Update the name of the property.

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

getProperties, getProperty, getProperty

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

WriteMethodsForProperty

public WriteMethodsForProperty()

Method Detail

createProperty

public <T> void createProperty(ch.agent.crnickl.api.Property<T> prop)
                        throws ch.agent.crnickl.T2DBException

Create a new property and return its key. If creation fails throw an exception.

Parameters:

prop - a property

Throws:

ch.agent.crnickl.T2DBException

deleteProperty

public <T> void deleteProperty(ch.agent.crnickl.api.Property<T> prop,
                               ch.agent.crnickl.impl.SchemaUpdatePolicy policy)
                        throws ch.agent.crnickl.T2DBException

Delete the property. If deleting fails throw an exception.

Parameters:

prop - a property

policy - a schema updating policy

Throws:

ch.agent.crnickl.T2DBException

updateProperty

public void updateProperty(ch.agent.crnickl.api.Property<?> prop,
                           ch.agent.crnickl.impl.SchemaUpdatePolicy policy)
                    throws ch.agent.crnickl.T2DBException

Update the name of the property. If updating fails throw an exception.

Parameters:

prop - a property

policy - a schema updating policy

Throws:

ch.agent.crnickl.T2DBException