.hazelcast-code-generator.2.0.0-3.source-code.codec-template-java.ftl Maven / Gradle / Ivy
package ${model.packageName};
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.util.ParameterUtil;
import com.hazelcast.nio.Bits;
/**
* @since ${model.messageSince}
* update ${util.versionAsString(model.highestParameterVersion)}
*/
@edu.umd.cs.findbugs.annotations.SuppressFBWarnings({"URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD"})
public final class ${model.className} {
public static final ${model.parentName}MessageType REQUEST_TYPE = ${model.parentName}MessageType.${model.parentName?upper_case}_${model.name?upper_case};
public static final int RESPONSE_TYPE = ${model.response};
//************************ REQUEST *************************//
public static class RequestParameters {
public static final ${model.parentName}MessageType TYPE = REQUEST_TYPE;
/**
* @since ${model.messageSince}
*/
<#list model.requestParams as param>
<#assign messageVersion=model.messageSinceInt>
<#if param.sinceVersionInt gt messageVersion >
/**
* @since ${param.sinceVersion}
*/
public boolean ${param.name}Exist = false;
public ${param.type} ${param.name};
<#list model.versionedRequestParams as version, requestParams>
/**
* @since ${version}
*/
public static int calculateDataSize(<#list requestParams as param>${methodParam(param.type)} ${param.name}<#if param_has_next>, ) {
int dataSize = ClientMessage.HEADER_SIZE;
<#list requestParams as p>
<@sizeText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
return dataSize;
}
}
<#list model.versionedRequestParams as version, requestParams>
/**
* @since ${version}
*/
public static ClientMessage encodeRequest(<#list requestParams as param>${methodParam(param.type)} ${param.name}<#if param_has_next>, ) {
final int requiredDataSize = RequestParameters.calculateDataSize(<#list requestParams as param>${param.name}<#if param_has_next>, );
ClientMessage clientMessage = ClientMessage.createForEncode(requiredDataSize);
clientMessage.setMessageType(REQUEST_TYPE.id());
clientMessage.setRetryable(<#if model.retryable == 1>true<#else>false);
clientMessage.setAcquiresResource(<#if model.acquiresResource == 1>true<#else>false);
clientMessage.setOperationName("${model.parentName}.${model.name}");
<#list requestParams as p>
<@setterText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
clientMessage.updateFrameLength();
return clientMessage;
}
public static RequestParameters decodeRequest(ClientMessage clientMessage) {
final RequestParameters parameters = new RequestParameters();
<#list model.requestParams as p>
<#if p.versionChanged >
if (clientMessage.isComplete()) {
return parameters;
}
<#-- Id 2: AuthenticationCodec, Id:3 CustomAuthenticationCodec -->
<#if p.name == "clientHazelcastVersion" && (model.id == "0x0002" || model.id == "0x0003") >
try {
<@getterText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
} catch (IndexOutOfBoundsException e) {
if ("CSP".equals(parameters.clientType)) {
// suppress this error for older csharp client since they had a bug which was fixed later (writeByte related)
return parameters;
} else {
throw e;
}
}
<#else>
<@getterText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
<#if p.sinceVersionInt gt messageVersion >parameters.${p.name}Exist = true;
return parameters;
}
//************************ RESPONSE *************************//
public static class ResponseParameters {
/**
* @since ${model.messageSince}
*/
<#list model.responseParams as param>
<#assign messageVersion=model.messageSinceInt>
<#if param.sinceVersionInt gt messageVersion >
/**
* @since ${param.sinceVersion}
*/
public boolean ${param.name}Exist = false;
public ${param.type} ${param.name};
<#list model.versionedResponseParams as version, responseParams>
/**
* @since ${version}
*/
public static int calculateDataSize(<#list responseParams as param> ${methodParam(param.type)} ${param.name}<#if param_has_next>, ) {
int dataSize = ClientMessage.HEADER_SIZE;
<#list responseParams as p>
<@sizeText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
return dataSize;
}
}
<#list model.versionedResponseParams as version, responseParams>
/**
* @since ${version}
*/
public static ClientMessage encodeResponse(<#list responseParams as param>${methodParam(param.type)} ${param.name}<#if param_has_next>, ) {
final int requiredDataSize = ResponseParameters.calculateDataSize(<#list responseParams as param>${param.name}<#if param_has_next>, );
ClientMessage clientMessage = ClientMessage.createForEncode(requiredDataSize);
clientMessage.setMessageType(RESPONSE_TYPE);
<#list responseParams as p>
<@setterText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
clientMessage.updateFrameLength();
return clientMessage;
}
public static ResponseParameters decodeResponse(ClientMessage clientMessage) {
ResponseParameters parameters = new ResponseParameters();
<#list model.responseParams as p>
<#if p.versionChanged >
if (clientMessage.isComplete()) {
return parameters;
}
<@getterText var_name=p.name type=p.type isNullable=p.nullable containsNullable=p.containsNullable/>
<#if p.sinceVersionInt gt messageVersion >parameters.${p.name}Exist = true;
return parameters;
}
<#if model.events?has_content>
//************************ EVENTS *************************//
<#list model.events as event>
public static ClientMessage encode${event.name}Event(<#list event.eventParams as param>${methodParam(param.type)} ${param.name}<#if param_has_next>, ){
int dataSize = ClientMessage.HEADER_SIZE;
<#list event.eventParams as p>
<@sizeText var_name=p.name type=p.type isNullable=p.nullable/>
;
ClientMessage clientMessage = ClientMessage.createForEncode(dataSize);
clientMessage.setMessageType(com.hazelcast.client.impl.protocol.constants.EventMessageConst.EVENT_${event.name?upper_case});
clientMessage.addFlag(ClientMessage.LISTENER_EVENT_FLAG);
<#list event.eventParams as p>
<@setterText var_name=p.name type=p.type isNullable=p.nullable/>
clientMessage.updateFrameLength();
return clientMessage;
};
public static abstract class AbstractEventHandler{
public void handle(ClientMessage clientMessage) {
int messageType = clientMessage.getMessageType();
<#list model.events as event>
if (messageType == com.hazelcast.client.impl.protocol.constants.EventMessageConst.EVENT_${event.name?upper_case}) {
<#assign paramCallList="">
<#assign previousVersion = event.sinceVersion?replace('.','') >
<#list event.eventParams as p>
<#if p.versionChanged >
if (clientMessage.isComplete()) {
handle${event.name?cap_first}EventV${previousVersion}(${paramCallList});
return;
}
<#if p_index gt 0 ><#assign paramCallList=paramCallList + ", ">
<#assign paramCallList+=p.name>
<#assign previousVersion = p.sinceVersion?replace('.','') >
<@defineVariable var_name=p.name type=p.type />
<@readVariable var_name=p.name type=p.type isNullable=p.nullable isEvent=true />
handle${event.name?cap_first}EventV${previousVersion}(${paramCallList});
return;
}
com.hazelcast.logging.Logger.getLogger(super.getClass()).warning("Unknown message type received on event handler :" + messageType);
}
<#list model.events as event>
<#list event.versionedEventParams as sinceVersion, eventParams>
<#assign version = sinceVersion?replace('.','') >
public abstract void handle${event.name?cap_first}EventV${version}(<#list eventParams as param>${methodParam(param.type)} ${param.name}<#if param_has_next>, );
}
}
<#--MACROS BELOW-->
<#--SIZE NULL CHECK MACRO -->
<#macro sizeText var_name type isNullable=false containsNullable=false>
<#if isNullable>
dataSize += Bits.BOOLEAN_SIZE_IN_BYTES;
if (${var_name} != null) {
<@sizeTextInternal var_name=var_name type=type containsNullable=containsNullable/>
<#if isNullable>
}
<#--METHOD PARAM Function -->
<#function methodParam type><#local cat= util.getTypeCategory(type)>
<#switch cat>
<#case "COLLECTION">
<#local genericType= util.getGenericType(type)>
<#return "java.util.Collection<${genericType}>">
<#break>
<#default>
<#return "${type}">
<#--SIZE MACRO -->
<#macro sizeTextInternal var_name type containsNullable=false>
<#local cat= util.getTypeCategory(type)>
<#switch cat>
<#case "OTHER">
<#if util.isPrimitive(type)>
dataSize += Bits.${type?upper_case}_SIZE_IN_BYTES;
<#else >
dataSize += ParameterUtil.calculateDataSize(${var_name});
<#break >
<#case "CUSTOM">
dataSize += ${util.getTypeCodec(type)}.calculateDataSize(${var_name});
<#break >
<#case "COLLECTION">
dataSize += Bits.INT_SIZE_IN_BYTES;
<#local genericType= util.getGenericType(type)>
<#local n= var_name>
for (${genericType} ${var_name}_item : ${var_name} ) {
<@sizeText var_name="${n}_item" type=genericType isNullable=containsNullable/>
}
<#break >
<#case "ARRAY">
dataSize += Bits.INT_SIZE_IN_BYTES;
<#local genericType= util.getArrayType(type)>
<#local n= var_name>
for (${genericType} ${var_name}_item : ${var_name} ) {
<@sizeText var_name="${n}_item" type=genericType isNullable=containsNullable/>
}
<#break >
<#case "MAPENTRY">
<#local keyType = util.getFirstGenericParameterType(type)>
<#local valueType = util.getSecondGenericParameterType(type)>
<#local n= var_name>
<#local keyName="${var_name}Key">
<#local valName="${var_name}Val">
${keyType} ${keyName} = ${var_name}.getKey();
${valueType} ${valName} = ${var_name}.getValue();
<@sizeText var_name="${keyName}" type=keyType/>
<@sizeText var_name="${valName}" type=valueType/>
<#--SETTER NULL CHECK MACRO -->
<#macro setterText var_name type isNullable=false containsNullable=false>
<#local isNullVariableName= "${var_name}_isNull">
<#if isNullable>
boolean ${isNullVariableName};
if (${var_name} == null) {
${isNullVariableName} = true;
clientMessage.set(${isNullVariableName});
} else {
${isNullVariableName}= false;
clientMessage.set(${isNullVariableName});
<@setterTextInternal var_name=var_name type=type containsNullable=containsNullable/>
<#if isNullable>
}
<#--SETTER MACRO -->
<#macro setterTextInternal var_name type isNullable=false containsNullable=false>
<#local cat= util.getTypeCategory(type)>
<#if cat == "OTHER">
clientMessage.set(${var_name});
<#if cat == "CUSTOM">
${util.getTypeCodec(type)}.encode(${var_name}, clientMessage);
<#if cat == "COLLECTION">
clientMessage.set(${var_name}.size());
<#local itemType= util.getGenericType(type)>
<#local itemTypeVar= var_name + "_item">
for (${itemType} ${itemTypeVar} : ${var_name}) {
<@setterText var_name=itemTypeVar type=itemType isNullable=containsNullable/>
}
<#if cat == "ARRAY">
clientMessage.set(${var_name}.length);
<#local itemType= util.getArrayType(type)>
<#local itemTypeVar= var_name + "_item">
for (${itemType} ${itemTypeVar} : ${var_name}) {
<@setterText var_name=itemTypeVar type=itemType isNullable=containsNullable/>
}
<#if cat == "MAPENTRY">
<#local keyType = util.getFirstGenericParameterType(type)>
<#local valueType = util.getSecondGenericParameterType(type)>
<#local keyName="${var_name}Key">
<#local valName="${var_name}Val">
${keyType} ${keyName} = ${var_name}.getKey();
${valueType} ${valName} = ${var_name}.getValue();
<@setterTextInternal var_name="${keyName}" type=keyType/>
<@setterTextInternal var_name="${valName}" type=valueType/>
<#--GETTER NULL CHECK MACRO -->
<#macro getterText var_name type isNullable=false isEvent=false containsNullable=false>
<@defineVariable var_name=var_name type=type />
<@readVariable var_name=var_name type=type isNullable=isNullable isEvent=isEvent containsNullable=containsNullable />
<#-- Only defines the variable -->
<#macro defineVariable var_name type >
${type} ${var_name} = <@getDefaultValueForType type=type />;
<#-- Reads the variable from client message -->
<#macro readVariable var_name type isNullable isEvent containsNullable=false>
<#local isNullVariableName= "${var_name}_isNull">
<#if isNullable>
boolean ${isNullVariableName} = clientMessage.getBoolean();
if (!${isNullVariableName}) {
<@getterTextInternal var_name=var_name varType=type containsNullable=containsNullable/>
<#if !isEvent>
parameters.${var_name} = ${var_name};
<#if isNullable>
}
<#macro getterTextInternal var_name varType containsNullable=false>
<#local cat= util.getTypeCategory(varType)>
<#switch cat>
<#case "OTHER">
<#switch varType>
<#case util.DATA_FULL_NAME>
${var_name} = clientMessage.getData();
<#break >
<#case "java.lang.Integer">
${var_name} = clientMessage.getInt();
<#break >
<#case "java.lang.Long">
${var_name} = clientMessage.getLong();
<#break >
<#case "java.lang.Boolean">
${var_name} = clientMessage.getBoolean();
<#break >
<#case "java.lang.String">
${var_name} = clientMessage.getStringUtf8();
<#break >
<#default>
${var_name} = clientMessage.get${util.capitalizeFirstLetter(varType)}();
<#break >
<#case "CUSTOM">
${var_name} = ${util.getTypeCodec(varType)}.decode(clientMessage);
<#break >
<#case "COLLECTION">
<#local collectionType>java.util.ArrayList
<#local itemVariableType= util.getGenericType(varType)>
<#local itemVariableName= "${var_name}_item">
<#local sizeVariableName= "${var_name}_size">
<#local indexVariableName= "${var_name}_index">
<#local isNullVariableName= "${itemVariableName}_isNull">
int ${sizeVariableName} = clientMessage.getInt();
${var_name} = new ${collectionType}<${itemVariableType}>(${sizeVariableName});
for (int ${indexVariableName} = 0;${indexVariableName}<${sizeVariableName};${indexVariableName}++) {
${itemVariableType} ${itemVariableName};
<#if containsNullable>
${itemVariableName} = null;
boolean ${isNullVariableName} = clientMessage.getBoolean();
if (!${isNullVariableName}) {
<@getterTextInternal var_name=itemVariableName varType=itemVariableType/>
<#if containsNullable>
}
${var_name}.add(${itemVariableName});
}
<#break >
<#case "ARRAY">
<#local itemVariableType= util.getArrayType(varType)>
<#local itemVariableName= "${var_name}_item">
<#local sizeVariableName= "${var_name}_size">
<#local indexVariableName= "${var_name}_index">
<#local isNullVariableName= "${itemVariableName}_isNull">
int ${sizeVariableName} = clientMessage.getInt();
${var_name} = new ${itemVariableType}[${sizeVariableName}];
for (int ${indexVariableName} = 0;${indexVariableName}<${sizeVariableName};${indexVariableName}++) {
${itemVariableType} ${itemVariableName};
<#if containsNullable>
${itemVariableName} = null;
boolean ${isNullVariableName} = clientMessage.getBoolean();
if (!${isNullVariableName}) {
<@getterTextInternal var_name=itemVariableName varType=itemVariableType/>
<#if containsNullable>
}
${var_name}[${indexVariableName}] = ${itemVariableName};
}
<#break >
<#case "MAPENTRY">
<#local sizeVariableName= "${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">
${keyType} ${keyVariableName};
${valueType} ${valVariableName};
<@getterTextInternal var_name=keyVariableName varType=keyType/>
<@getterTextInternal var_name=valVariableName varType=valueType/>
${var_name} = new java.util.AbstractMap.SimpleEntry<${keyType},${valueType}>(${keyVariableName}, ${valVariableName});
<#--Gets the default value for a type in java -->
<#macro getDefaultValueForType type>
<#if type == "boolean" >
false
<#elseif util.isPrimitive(type) >
0
<#else>
null