def resolveClientProxy(self, domainEntity, proxyType, key):
"""Creates a proxy instance held by a Resolution for a given domain type."""
if domainEntity is None:
return None
id_ = self._state.getStableId(domainEntity)
isEntityProxy = self._state.isEntityType(proxyType)
# Create the id or update an ephemeral id by calculating its address
if (id_ is None) or id_.isEphemeral():
# The address is an id or an id plus a path
if isEntityProxy:
# Compute data needed to return id to the client
domainId = self._service.getId(domainEntity)
domainVersion = self._service.getVersion(domainEntity)
else:
domainId = None
domainVersion = None
if id_ is None:
if domainId is None:
# This will happen when server code attempts to return an unpersisted
# object to the client. In this case, we'll assign a synthetic id
# that is valid for the duration of the response. The client is
# expected to assign a client-local id to this object and then it
# will behave as though it were an object newly-created by the
# client.
self._syntheticId += 1
id_ = self._state.getIdFactory().allocateSyntheticId(
proxyType, self._syntheticId)
else:
flatValue = self._state.flatten(domainId)
id_ = self._state.getIdFactory().getId(
proxyType, flatValue.getPayload(), 0)
elif domainId is not None:
# Mark an ephemeral id as having been persisted
flatValue = self._state.flatten(domainId)
id_.setServerId(flatValue.getPayload())
elif isEntityProxy:
# Already have the id, just pull the current version
domainVersion = self._service.getVersion(domainEntity)
else:
# The version of a value object is always null
domainVersion = None
bean = self._state.getBeanForPayload(id_, domainEntity)
bean.setTag(Constants.IN_RESPONSE, True)
if domainVersion is not None:
flatVersion = self._state.flatten(domainVersion)
bean.setTag(Constants.VERSION_PROPERTY_B64,
toBase64(flatVersion.getPayload()))
clientObject = bean.as_()
return self.makeResolution(key, clientObject)
def resolveClientProxy(self, domainEntity, proxyType, key):
"""Creates a proxy instance held by a Resolution for a given domain type."""
if domainEntity is None:
return None
id_ = self._state.getStableId(domainEntity)
isEntityProxy = self._state.isEntityType(proxyType)
# Create the id or update an ephemeral id by calculating its address
if (id_ is None) or id_.isEphemeral():
# The address is an id or an id plus a path
if isEntityProxy:
# Compute data needed to return id to the client
domainId = self._service.getId(domainEntity)
domainVersion = self._service.getVersion(domainEntity)
else:
domainId = None
domainVersion = None
if id_ is None:
if domainId is None:
# This will happen when server code attempts to return an unpersisted
# object to the client. In this case, we'll assign a synthetic id
# that is valid for the duration of the response. The client is
# expected to assign a client-local id to this object and then it
# will behave as though it were an object newly-created by the
# client.
self._syntheticId += 1
id_ = self._state.getIdFactory().allocateSyntheticId(proxyType, self._syntheticId)
else:
flatValue = self._state.flatten(domainId)
id_ = self._state.getIdFactory().getId(proxyType, flatValue.getPayload(), 0)
elif domainId is not None:
# Mark an ephemeral id as having been persisted
flatValue = self._state.flatten(domainId)
id_.setServerId(flatValue.getPayload())
elif isEntityProxy:
# Already have the id, just pull the current version
domainVersion = self._service.getVersion(domainEntity)
else:
# The version of a value object is always null
domainVersion = None
bean = self._state.getBeanForPayload(id_, domainEntity)
bean.setTag(Constants.IN_RESPONSE, True)
if domainVersion is not None:
flatVersion = self._state.flatten(domainVersion)
bean.setTag(Constants.VERSION_PROPERTY_B64, toBase64(flatVersion.getPayload()))
clientObject = bean.as_()
return self.makeResolution(key, clientObject)
def getSerializedProxyId(self, stableId):
"""EntityCodex support. This method is identical to
{@link IdFactory#getHistoryToken(SimpleProxyId)} except that it
base64-encodes the server ids.
<p>
XXX: Merge this with AbstsractRequestContext's implementation
"""
bean = MessageFactoryHolder.FACTORY.id()
ref = bean.as_()
ref.setTypeToken(self._service.resolveTypeToken(stableId.getProxyClass()))
if stableId.isSynthetic():
ref.setStrength(Strength.SYNTHETIC)
ref.setSyntheticId(stableId.getSyntheticId())
elif stableId.isEphemeral():
ref.setStrength(Strength.EPHEMERAL)
ref.setClientId(stableId.getClientId())
else:
ref.setServerId(toBase64(stableId.getServerId()))
return AutoBeanCodex.encode(bean)
def getSerializedProxyId(self, stableId):
"""EntityCodex support. This method is identical to
{@link IdFactory#getHistoryToken(SimpleProxyId)} except that it
base64-encodes the server ids.
<p>
XXX: Merge this with AbstsractRequestContext's implementation
"""
bean = MessageFactoryHolder.FACTORY.id()
ref = bean.as_()
ref.setTypeToken(
self._service.resolveTypeToken(stableId.getProxyClass()))
if stableId.isSynthetic():
ref.setStrength(Strength.SYNTHETIC)
ref.setSyntheticId(stableId.getSyntheticId())
elif stableId.isEphemeral():
ref.setStrength(Strength.EPHEMERAL)
ref.setClientId(stableId.getClientId())
else:
ref.setServerId(toBase64(stableId.getServerId()))
return AutoBeanCodex.encode(bean)
