.hazelcast-code-generator.1.8.0-3.source-code.codec-template-py.ftl Maven / Gradle / Ivy
from hazelcast.serialization.bits import *
from hazelcast.protocol.client_message import ClientMessage
from hazelcast.protocol.custom_codec import *
from hazelcast.util import ImmutableLazyDataList
from hazelcast.protocol.codec.${util.convertToSnakeCase(model.parentName)}_message_type import *
<#if model.events?has_content>
from hazelcast.protocol.event_response_const import *
REQUEST_TYPE = ${model.parentName?upper_case}_${model.name?upper_case}
RESPONSE_TYPE = ${model.response}
RETRYABLE = <#if model.retryable == 1>True<#else>False
<#--************************ REQUEST ********************************************************-->
def calculate_size(<#list model.requestParams as param>${util.convertToSnakeCase(param.name)}<#if param_has_next>, ):
""" Calculates the request payload size"""
data_size = 0
<#list model.requestParams as p>
<@sizeText var_name=util.convertToSnakeCase(p.name) type=p.type isNullable=p.nullable/>
return data_size
def encode_request(<#list model.requestParams as param>${util.convertToSnakeCase(param.name)}<#if param_has_next>, ):
""" Encode request into client_message"""
client_message = ClientMessage(payload_size=calculate_size(<#list model.requestParams as param>${util.convertToSnakeCase(param.name)}<#if param_has_next>, ))
client_message.set_message_type(REQUEST_TYPE)
client_message.set_retryable(RETRYABLE)
<#list model.requestParams as p>
<@setterText var_name=util.convertToSnakeCase(p.name) type=p.type isNullable=p.nullable/>
client_message.update_frame_length()
return client_message
<#--************************ RESPONSE ********************************************************-->
<#if model.responseParams?has_content>
def decode_response(client_message, to_object=None):
""" Decode response from client message"""
parameters = dict(<#list model.responseParams as p>${util.convertToSnakeCase(p.name)}=None<#if p_has_next>, )
<#list model.responseParams as p>
<@getterText var_name=util.convertToSnakeCase(p.name) type=p.type isNullable=p.nullable indent=1/>
return parameters
<#else>
# Empty decode_response(client_message), this message has no parameters to decode
<#--************************ EVENTS ********************************************************-->
<#if model.events?has_content>
def handle(client_message, <#list model.events as event>handle_event_${event.name?lower_case} = None<#if event_has_next>, , to_object=None):
""" Event handler """
message_type = client_message.get_message_type()
<#list model.events as event>
if message_type == EVENT_${event.name?upper_case} and handle_event_${event.name?lower_case} is not None:
<#list event.eventParams as p>
<@getterText var_name=util.convertToSnakeCase(p.name) type=p.type isNullable=p.nullable isEvent=true indent=2/>
handle_event_${event.name?lower_case}(<#list event.eventParams as param>${util.convertToSnakeCase(param.name)}=${util.convertToSnakeCase(param.name)}<#if param_has_next>, )
<#--MACROS BELOW-->
<#--SIZE NULL CHECK MACRO -->
<#macro sizeText var_name type isNullable=false>
<#if isNullable>
data_size += BOOLEAN_SIZE_IN_BYTES
if ${var_name} is not None:
<@sizeTextInternal var_name=var_name type=type indent=2/>
<#else>
<@sizeTextInternal var_name=var_name type=type indent=1/>
<#--METHOD PARAM MACRO -->
<#macro methodParam type><#local cat= util.getTypeCategory(type)>
<#switch cat>
<#case "COLLECTION"><#local genericType= util.getGenericType(type)>java.util.Collection<${genericType}><#break>
<#default>${type}
<#--SIZE MACRO -->
<#macro sizeTextInternal var_name type indent>
<#local cat= util.getTypeCategory(type)>
<#switch cat>
<#case "OTHER">
<#if util.isPrimitive(type)>
${""?left_pad(indent * 4)}data_size += ${type?upper_case}_SIZE_IN_BYTES
<#else >
${""?left_pad(indent * 4)}data_size += calculate_size_${util.getPythonType(type)?lower_case}(${var_name})
<#break >
<#case "CUSTOM">
${""?left_pad(indent * 4)}data_size += calculate_size_${util.getPythonType(type)?lower_case}(${var_name})
<#break >
<#case "COLLECTION">
${""?left_pad(indent * 4)}data_size += INT_SIZE_IN_BYTES
<#local genericType= util.getGenericType(type)>
<#local n= var_name>
${""?left_pad(indent * 4)}for ${var_name}_item in ${var_name}:
<@sizeTextInternal var_name="${n}_item" type=genericType indent=(indent + 1)/>
<#break >
<#case "ARRAY">
${""?left_pad(indent * 4)}data_size += INT_SIZE_IN_BYTES
<#local genericType= util.getArrayType(type)>
<#local n= var_name>
${""?left_pad(indent * 4)}for ${var_name}_item in ${var_name}:
<@sizeTextInternal var_name="${n}_item" type=genericType indent=(indent + 1)/>
<#break >
<#case "MAP">
<#local keyType = util.getFirstGenericParameterType(type)>
<#local valueType = util.getSecondGenericParameterType(type)>
<#local n= var_name>
${""?left_pad(indent * 4)}for key, val in ${var_name}.iteritems():
<@sizeTextInternal var_name="key" type=keyType indent=(indent + 1)/>
<@sizeTextInternal var_name="val" type=valueType indent=(indent + 1)/>
<#--SETTER NULL CHECK MACRO -->
<#macro setterText var_name type isNullable=false>
<#local isNullVariableName= "${var_name}_is_null">
<#if isNullable>
client_message.append_bool(${var_name} is None)
if ${var_name} is not None:
<@setterTextInternal var_name=var_name type=type indent=2/>
<#else>
<@setterTextInternal var_name=var_name type=type indent=1/>
<#--SETTER MACRO -->
<#macro setterTextInternal var_name type indent>
<#local cat= util.getTypeCategory(type)>
<#if cat == "OTHER">
${""?left_pad(indent * 4)}client_message.append_${util.getPythonType(type)?lower_case}(${var_name})
<#if cat == "CUSTOM">
${""?left_pad(indent * 4)}${util.getTypeCodec(type)?split(".")?last}.encode(client_message, ${var_name})
<#if cat == "COLLECTION">
${""?left_pad(indent * 4)}client_message.append_int(len(${var_name}))
<#local itemType= util.getGenericType(type)>
<#local itemTypeVar= var_name + "_item">
${""?left_pad(indent * 4)}for ${itemTypeVar} in ${var_name}:
<@setterTextInternal var_name=itemTypeVar type=itemType indent=(indent + 1)/>
<#if cat == "ARRAY">
${""?left_pad(indent * 4)}client_message.append_int(len(${var_name}))
<#local itemType= util.getArrayType(type)>
<#local itemTypeVar= var_name + "_item">
${""?left_pad(indent * 4)}for ${itemTypeVar} in ${var_name}:
<@setterTextInternal var_name=itemTypeVar type=itemType indent=(indent + 1)/>
<#if cat == "MAP">
<#local keyType = util.getFirstGenericParameterType(type)>
<#local valueType = util.getSecondGenericParameterType(type)>
${""?left_pad(indent * 4)}client_message.append_int(len(${var_name}))
${""?left_pad(indent * 4)}for key, value in ${var_name}.iteritems():
<@setterTextInternal var_name="key" type=keyType indent=(indent + 1)/>
<@setterTextInternal var_name="value" type=valueType indent=(indent + 1)/>
<#--GETTER NULL CHECK MACRO -->
<#macro getterText var_name type isNullable=false isEvent=false indent=1>
<#if isNullable>
${""?left_pad(indent * 4)}${var_name}=None
${""?left_pad(indent * 4)}if not client_message.read_bool():
<@getterTextInternal var_name=var_name varType=type isEvent=isEvent indent=indent +1/>
<#else>
<@getterTextInternal var_name=var_name varType=type isEvent=isEvent indent= indent/>
<#macro getterTextInternal var_name varType indent isEvent=false isCollection=false>
<#local cat= util.getTypeCategory(varType)>
<#local isDeserial= !(isEvent || isCollection)>
<#switch cat>
<#case "OTHER">
<#switch varType>
<#case util.DATA_FULL_NAME>
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = <#if isDeserial>to_object(client_message.read_data()<#if isDeserial>)
<#break >
<#case "java.lang.Integer">
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = client_message.read_int()
<#break >
<#case "java.lang.Boolean">
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = client_message.read_bool()
<#break >
<#case "java.lang.String">
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = client_message.read_str()
<#break >
<#case "java.util.Map.Entry">
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = (<#if isDeserial>to_object(client_message.read_data()<#if isDeserial>), <#if isDeserial>to_object(client_message.read_data()<#if isDeserial>))
<#break >
<#default>
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = client_message.read_${util.getPythonType(varType)}()
<#break >
<#case "CUSTOM">
${""?left_pad(indent * 4)}<#if !(isEvent || isCollection)>parameters['${var_name}']<#else>${var_name} = ${util.getTypeCodec(varType)?split(".")?last}.decode(client_message, to_object)
<#break >
<#case "COLLECTION">
<#case "ARRAY">
<#if cat == "COLLECTION">
<#local itemVariableType= util.getGenericType(varType)>
<#else>
<#local itemVariableType= util.getArrayType(varType)>
<#local itemVariableName= "${var_name}_item">
<#local sizeVariableName= "${var_name}_size">
<#local indexVariableName= "${var_name}_index">
${""?left_pad(indent * 4)}${sizeVariableName} = client_message.read_int()
${""?left_pad(indent * 4)}${var_name} = []
${""?left_pad(indent * 4)}for ${indexVariableName} in xrange(0, ${sizeVariableName}):
<@getterTextInternal var_name=itemVariableName varType=itemVariableType isEvent=isEvent isCollection=true indent=(indent +1)/>
${""?left_pad(indent * 4)} ${var_name}.append(${itemVariableName})
<#if !(isEvent || isCollection)>
${""?left_pad(indent * 4)}parameters['${var_name}'] = ImmutableLazyDataList(${var_name}, to_object)
<#break >
<#case "MAP">
<#local sizeVariableName= "${var_name}_size">
<#local indexVariableName= "${var_name}_index">
<#local keyType = util.getFirstGenericParameterType(varType)>
<#local valueType = util.getSecondGenericParameterType(varType)>
<#local keyVariableName= "${var_name}_key">
<#local valVariableName= "${var_name}_val">
${""?left_pad(indent * 4)}${sizeVariableName} = client_message.read_int()
${""?left_pad(indent * 4)}${var_name} = {}
${""?left_pad(indent * 4)}for ${indexVariableName} in xrange(0,${sizeVariableName}):
<@getterTextInternal var_name=keyVariableName varType=keyType isEvent=true indent=(indent +1)/>
<@getterTextInternal var_name=valVariableName varType=valueType isEvent=true indent=(indent +1)/>
${""?left_pad(indent * 4)} ${var_name}[${keyVariableName}] = ${valVariableName}
${""?left_pad(indent * 4)}<#if !isEvent>parameters['${var_name}'] = ${var_name}