// Look at the cfc to determine if it's configured for caching
local.stRequestMeta = getRequestMeta(
metaData = GetMetaData(arguments.methodInvocation.getTarget()),
verb = arguments.methodInvocation.getMethod().getMethodName(),
args = arguments.methodInvocation.getArguments()
);
// If we were able to retrieve data from cache, simply return that data
if (local.stRequestMeta["foundInCache"]) {
return local.stRequestMeta["cacheData"];
}
else {
// If data was not in cache, run the method.
local.methodReturnData = arguments.methodInvocation.proceed();
// Put the return data into cache.
if (IsDefined("local.methodReturnData")) {
cachePut(local.stRequestMeta["cacheKey"], local.methodReturnData, local.stRequestMeta["timeSpan"]);
return local.methodReturnData;
}
}
// Default variables
local.stCacheSettings = StructNew();
local.stCacheSettings["toCache"] = false;
local.stCacheSettings["cacheKey"] = "";
local.stCacheSettings["cacheTimeout"] = 0;
local.stCacheSettings["foundInCache"] = false;
local.stCacheSettings["cacheData"] = "";
local.stCacheSettings["timeSpan"] = 0;
local.stCacheSettings["requestURI"] = rebuildURI(
taffyURI = arguments.metaData["taffy:uri"],
args = arguments.args
);
// Using the meta data, determine the component caching defaults
if (StructKeyExists(arguments.metaData,"taffy:cache")) {
local.stCacheSettings["toCache"] = arguments.metaData["taffy:cache"];
}
else if (StructKeyExists(arguments.metaData,"taffy_cache")) {
local.stCacheSettings["toCache"] = arguments.metaData["taffy_cache"];
}
if (StructKeyExists(arguments.metaData,"taffy:cachetimeout")) {
local.stCacheSettings["cacheTimeout"] = arguments.metaData["taffy:cachetimeout"];
}
else if (StructKeyExists(arguments.metaData,"taffy_cachetimeout")) {
local.stCacheSettings["cacheTimeout"] = arguments.metaData["taffy:cachetimeout"];
}
if (StructKeyExists(arguments.metaData,"taffy:cacheunit")) {
local.stCacheSettings["unit"] = arguments.metaData["taffy:cacheunit"];
}
else if (StructKeyExists(arguments.metaData,"taffy_cacheunit")) {
local.stCacheSettings["unit"] = arguments.metaData["taffy:_acheunit"];
}
else {
local.stCacheSettings["unit"] = "minutes";
}
// Now we must look at the method level. First we need to loop over the functions
// array and find our method.
local.methods = arguments.metaData["functions"];
for (local.i = 1; local.i LTE ArrayLen(local.methods); local.i++) {
if (local.methods[i].name EQ arguments.verb) {
local.activeMethod = local.methods[i];
break;
}
}
// Now that we know the method, look at its meta data to see if there are
// overriding cache settings on the method level.
if (StructKeyExists(local.activeMethod,"taffy:cache")) {
local.stCacheSettings["toCache"] = local.activeMethod['taffy:cache'];
}
else if (StructKeyExists(local.activeMethod,"taffy_cache")) {
local.stCacheSettings["toCache"] = local.activeMethod['taffy_cache'];
}
if (StructKeyExists(local.activeMethod,"taffy:cachetimeout")) {
local.stCacheSettings["cacheTimeout"] = local.activeMethod["taffy:cachetimeout"];
}
else if (StructKeyExists(local.activeMethod,"taffy_cachetimeout")) {
local.stCacheSettings["cacheTimeout"] = local.activeMethod["taffy_cachetimeout"];
}
if (StructKeyExists(local.activeMethod,"taffy:cacheunit")) {
local.stCacheSettings["unit"] = local.activeMethod["taffy:cacheunit"];
}
else if (StructKeyExists(local.activeMethod,"taffy_cacheunit")) {
local.stCacheSettings["unit"] = local.activeMethod["taffy_cacheunit"];
}
// Determine if we're doing any caching at all
if (local.stCacheSettings["toCache"]) {
// We are caching. Next step, build the unique cache key that represents
// this specific request.
local.stCacheSettings["cacheKey"] = buildRequestCacheKey(
resource = arguments.metaData.fullname,
verb = "get",
args = arguments.args
);
// Look to see if the data is available in cache
local.cacheData = cacheGet(local.stCacheSettings["cacheKey"]);
if (IsDefined("local.cacheData")) {
local.cacheMeta = CacheGetMetaData(local.stCacheSettings["cacheKey"]);
local.stCacheSettings["foundInCache"] = true;
local.stCacheSettings["cacheData"] = local.cacheData;
local.stCacheSettings["cachedAt"] = local.cacheMeta["createdtime"];
}
}
// Create the appropriate timespan
if (local.stCacheSettings["unit"] EQ "days") {
local.stCacheSettings["timeSpan"] = CreateTimeSpan(local.stCacheSettings["cacheTimeout"],0,0,0);
}
else if (local.stCacheSettings["unit"] EQ "hours") {
local.stCacheSettings["timeSpan"] = CreateTimeSpan(0,local.stCacheSettings["cacheTimeout"],0,0);
}
else if (local.stCacheSettings["unit"] EQ "minutes") {
local.stCacheSettings["timeSpan"] = CreateTimeSpan(0,0,local.stCacheSettings["cacheTimeout"],0);
}
else if (local.stCacheSettings["unit"] EQ "seconds") {
local.stCacheSettings["timeSpan"] = CreateTimeSpan(0,0,0,local.stCacheSettings["cacheTimeout"]);
}
return local.stCacheSettings;
local.sRebuiltURL = arguments.taffyURI;
local.nQueryParamCount = 0;
// Loop over the arguments. Add to a pattern, search, replace, or append
for (local.key IN arguments.args) {
local.sPattern = "{#local.key#}";
if (FindNoCase(local.sPattern, local.sRebuiltURL)) {
// The current argument is a pattern match and should be replaced in the pattern format
local.sRebuiltURL = ReplaceNoCase(local.sRebuiltURL, local.sPattern, StructFind(arguments.args, local.key));
}
else {
// This argument was not in the url path, so it needs to be appended to the url
if (local.nQueryParamCount EQ 0) { local.sRebuiltURL &= "?"; }
else { local.sRebuiltURL &= "&"; }
local.sRebuiltURL &= "#local.key#=#StructFind(arguments.args, local.key)#";
local.nQueryParamCount++;
}
}
return LCase(local.sRebuiltURL);