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comparison truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/utilities/CyclicAssumption.java @ 22010:f410818cdec8

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add missing truffle boundaries
author Andreas Woess <andreas.woess@oracle.com>
date Thu, 23 Jul 2015 16:28:48 +0200
parents 9c8c0937da41
children dc83cc1f94f2
comparison
equal deleted inserted replaced
22009:130e5f69d1a6 22010:f410818cdec8
25 package com.oracle.truffle.api.utilities; 25 package com.oracle.truffle.api.utilities;
26 26
27 import java.util.concurrent.atomic.*; 27 import java.util.concurrent.atomic.*;
28 28
29 import com.oracle.truffle.api.*; 29 import com.oracle.truffle.api.*;
30 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
30 31
31 /** 32 /**
32 * Holds an {@link Assumption}, and knows how to recreate it with the same properties on 33 * Holds an {@link Assumption}, and knows how to recreate it with the same properties on
33 * invalidation. Used so that mutability is isolated in this class, and all other classes that need 34 * invalidation. Used so that mutability is isolated in this class, and all other classes that need
34 * an assumption that may be recreated can have a final reference to an object of this class. Note 35 * an assumption that may be recreated can have a final reference to an object of this class. Note
43 public CyclicAssumption(String name) { 44 public CyclicAssumption(String name) {
44 this.name = name; 45 this.name = name;
45 this.assumption = new AtomicReference<>(Truffle.getRuntime().createAssumption(name)); 46 this.assumption = new AtomicReference<>(Truffle.getRuntime().createAssumption(name));
46 } 47 }
47 48
49 @TruffleBoundary
48 public void invalidate() { 50 public void invalidate() {
49 Assumption newAssumption = Truffle.getRuntime().createAssumption(name); 51 Assumption newAssumption = Truffle.getRuntime().createAssumption(name);
50 Assumption oldAssumption = assumption.getAndSet(newAssumption); 52 Assumption oldAssumption = assumption.getAndSet(newAssumption);
51 oldAssumption.invalidate(); 53 oldAssumption.invalidate();
52 } 54 }