MechListDependentCache - depends on a single mech list [1018251]

< > BotCompany Repo | #1018251 // MechListDependentCache - depends on a single mech list

JavaX fragment (include)


sclass MechListDependentCache<A> extends Cache<A> {
  // maker is now F1<S, A>
  S listName, lastListContents;
  
  *() {}
  *(S *listName, O *maker) {}
  
  A make() { ret (A) callF(maker, lastListContents); }
  
  A get() {
    if (hasLock(lock)) ret value; // Must be called from within maker
    {
      S listContents = mL_raw(listName);
      lock lock;
      if (!eqOrSame(listContents, lastListContents))
        clear();
      lastListContents = listContents;
    }
    ret super.get();
  }
}

Author comment

Began life as a copy of #1011310

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Snippet ID:

#1018251

Snippet name:

MechListDependentCache - depends on a single mech list

Eternal ID of this version:

#1018251/4

Text MD5:

61f90f23f5a7681c42b376293f5732e6

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-03-16 19:39:59

Source code size:

523 bytes / 22 lines

Pitched / IR pitched:

No / No

Views / Downloads:

636 / 1504

Version history:

3 change(s)

Referenced in:

[show references]

1
2	sclass MechListDependentCache<A> extends Cache<A> {
3	// maker is now F1<S, A>
4	S listName, lastListContents;
5
6	*() {}
7	(S listName, O *maker) {}
8
9	A make() { ret (A) callF(maker, lastListContents); }
10
11	A get() {
12	if (hasLock(lock)) ret value; // Must be called from within maker
13	{
14	S listContents = mL_raw(listName);
15	lock lock;
16	if (!eqOrSame(listContents, lastListContents))
17	clear();
18	lastListContents = listContents;
19	}
20	ret super.get();
21	}
22	}