Examples of FieldLayout

Examples of com.facebook.presto.jdbc.internal.jol.info.FieldLayout

53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
                int scale = VMSupport.U.arrayIndexScale(Class.forName(data.arrayClass()));

                int instanceSize = VMSupport.align(base + (data.arrayLength()) * scale, 8);

                SortedSet<FieldLayout> result = new TreeSet<FieldLayout>();
                result.add(new FieldLayout(FieldData.create(data.arrayClass(), "length", "int"), model.headerSize(), model.sizeOf("int")));
                result.add(new FieldLayout(FieldData.create(data.arrayClass(), "<elements>", data.arrayComponentType()), base, scale * data.arrayLength()));
                return new ClassLayout(data, result, model.headerSize(), instanceSize, false);
            } catch (ClassNotFoundException e) {
                throw new IllegalStateException("Should not reach here.", e);
            }
        }

        Collection<FieldData> fields = data.fields();

        SortedSet<FieldLayout> result = new TreeSet<FieldLayout>();
        for (FieldData f : fields) {
            result.add(new FieldLayout(f, f.vmOffset(), model.sizeOf(f.typeClass())));
        }

        int instanceSize;
        if (result.isEmpty()) {
            instanceSize = VMSupport.align(model.headerSize());
        } else {
            FieldLayout f = result.last();
            instanceSize = VMSupport.align(f.offset() + f.size());
        }
        return new ClassLayout(data, result, model.headerSize(), instanceSize, true);
    }
View Full Code Here

Examples of com.facebook.presto.jdbc.internal.jol.info.FieldLayout

71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
            int instanceSize = base + cd.arrayLength() * scale;

            instanceSize = VMSupport.align(instanceSize, autoAlign ? Math.max(4, scale) : 8);
            base = VMSupport.align(base, Math.max(4, scale));

            result.add(new FieldLayout(FieldData.create(cd.arrayClass(), "length", "int"), model.headerSize(), model.sizeOf("int")));
            result.add(new FieldLayout(FieldData.create(cd.arrayClass(), "<elements>", cd.arrayComponentType()), base, scale * cd.arrayLength()));
            return new ClassLayout(cd, result, model.headerSize(), instanceSize, false);
        }

        List<String> hierarchy = cd.classHierarchy();

        BitSet claimed = new BitSet();

        claimed.set(0, model.headerSize());

        for (String k : hierarchy) {

            Collection<FieldData> fields = cd.fieldsFor(k);

            SortedSet<FieldLayout> current = new TreeSet<FieldLayout>();
            for (int size : new int[]{8, 4, 2, 1}) {
                for (FieldData f : fields) {
                    int fSize = model.sizeOf(f.typeClass());
                    if (fSize != size) continue;

                    for (int t = 0; t < Integer.MAX_VALUE; t++) {
                        if (claimed.get(t * size, (t + 1) * size).isEmpty()) {
                            claimed.set(t * size, (t + 1) * size);
                            current.add(new FieldLayout(f, t * size, size));
                            break;
                        }
                    }
                }
            }
View Full Code Here

Examples of com.facebook.presto.jdbc.internal.jol.info.FieldLayout

54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
            // special case of arrays
            int base = model.headerSize() + model.sizeOf("int");
            int scale = model.sizeOf(data.arrayComponentType());

            int instanceSize = base + (data.arrayLength()) * scale;
            result.add(new FieldLayout(FieldData.create(data.arrayClass(), "length", "int"), model.headerSize(), model.sizeOf("int")));
            result.add(new FieldLayout(FieldData.create(data.arrayClass(), "<elements>", data.arrayComponentType()), base, scale * data.arrayLength()));
            return new ClassLayout(data, result, model.headerSize(), instanceSize, false);
        }

        int offset = model.headerSize();
        for (FieldData f : data.fields()) {
            int size = model.sizeOf(f.typeClass());
            result.add(new FieldLayout(f, offset, size));
            offset += size;
        }

        if (result.isEmpty()) {
            return new ClassLayout(data, result, model.headerSize(), model.headerSize(), false);
        } else {
            FieldLayout f = result.last();
            return new ClassLayout(data, result, model.headerSize(), f.offset() + f.size(), false);
        }
    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.