eclipse code template for immutable java messages (akka)

eclipse.template

akkam
${is:importStatic(com.google.common.base.Preconditions.checkNotNull)}	
public static final class ${messageName}{
    private final ${type} ${name:newName(type)};
    ${cursor}
    ${messageName}(${type} ${name}){
        checkNotNull(${name}, "${name} cannot be null");
        this.${name}=${name};
    }
    public ${type} get${name}(){
        return ${name};
    }
}

ssm 
${is:importStatic(com.google.common.base.Preconditions.checkNotNull)}	
public static final class ${messageName}{
    public static final ${messageName} Instance= new ${messageName}();

    private ${messageName}(){
    }    
    ${cursor}
}

actor