-
Notifications
You must be signed in to change notification settings - Fork 5
/
FrontEndTransaction.java
115 lines (95 loc) · 4.07 KB
/
FrontEndTransaction.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
package org.genericsystem.remote;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.genericsystem.api.core.Snapshot;
import org.genericsystem.api.core.exceptions.ConcurrencyControlException;
import org.genericsystem.api.core.exceptions.OptimisticLockConstraintViolationException;
import org.genericsystem.common.CheckedContext;
import org.genericsystem.common.Container;
import org.genericsystem.common.Generic;
import org.genericsystem.common.IDifferential;
import org.genericsystem.common.Vertex;
import org.genericsystem.remote.ClientEngine.ClientEngineHandler;
import javafx.beans.Observable;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.ObservableList;
/**
* @author Nicolas Feybesse
*
*/
public class FrontEndTransaction extends CheckedContext implements IDifferential<Generic> {
private final long ts;
protected FrontEndTransaction(ClientEngine engine, long ts) {
super(engine);
this.ts = ts;
}
protected FrontEndTransaction(ClientEngine engine) {
this(engine, engine.pickNewTs());
}
@Override
public long getTs() {
return ts;
}
@Override
public ObjectProperty<IDifferential<Generic>> getDifferentialProperty() {
throw new UnsupportedOperationException();
}
@Override
public Map<Generic, ObservableList<Generic>> getDependenciesAsOservableListCacheMap() {
throw new UnsupportedOperationException();
}
@Override
public void apply(Snapshot<Generic> removes, Snapshot<Generic> adds) throws ConcurrencyControlException, OptimisticLockConstraintViolationException {
assert adds.stream().allMatch(add -> add.getBirthTs() == Long.MAX_VALUE);
getRoot().getServer().apply(getTs(), removes.stream().mapToLong(g -> g.getTs()).toArray(), adds.stream().map(g -> g.getVertex()).toArray(Vertex[]::new));
removes.forEach(this::invalid);// Not efficient ! plug and unplug is
// better
adds.forEach(this::invalid);// Not efficient !
adds.forEach(this::giveBirth);
}
private void giveBirth(Generic generic) {
assert Long.MAX_VALUE == generic.getBirthTs();
((ClientEngineHandler) generic.getProxyHandler()).birthTs = getTs();
}
private void invalid(Generic generic) {
generic.getComponents().forEach(component -> dependenciesMap.remove(component));
generic.getSupers().forEach(superG -> dependenciesMap.remove(superG));
dependenciesMap.remove(generic.getMeta());
dependenciesMap.remove(generic);
// generic.getComponents().forEach(component -> dependenciesPromiseMap.remove(component));
// generic.getSupers().forEach(superG -> dependenciesPromiseMap.remove(superG));
// dependenciesPromiseMap.remove(generic.getMeta());
// dependenciesPromiseMap.remove(generic);
}
@Override
public ClientEngine getRoot() {
return (ClientEngine) super.getRoot();
}
private Map<Generic, Snapshot<Generic>> dependenciesMap = new HashMap<>();
@Override
public Snapshot<Generic> getDependencies(Generic generic) {
Snapshot<Generic> dependencies = dependenciesMap.get(generic);
if (dependencies == null) {
dependencies = new Container(Arrays.stream(getRoot().getServer().getDependencies(getTs(), generic.getTs())).map(vertex -> getRoot().getGenericByVertex(vertex)));
Snapshot<Generic> result = dependenciesMap.put(generic, dependencies);
assert result == null;
}
return dependencies;
}
// private Map<Generic, CompletableFuture<Snapshot<Generic>>> dependenciesPromiseMap = new HashMap<>();
// @Override
// public CompletableFuture<Snapshot<Generic>> getDependenciesPromise(Generic generic) {
// CompletableFuture<Snapshot<Generic>> dependenciesPromise = dependenciesPromiseMap.get(generic);
// if (dependenciesPromise == null) {
// dependenciesPromise = getRoot().getServer().getDependenciesPromise(getTs(), generic.getTs()).thenApply(vertices -> new Container(Arrays.stream(vertices).map(vertex -> getRoot().getGenericByVertex(vertex))));
// dependenciesPromiseMap.put(generic, dependenciesPromise);
// }
// return dependenciesPromise;
// }
@Override
public Observable getObservable(Generic generic) {
return new SimpleObjectProperty<Snapshot<Generic>>();
}
}