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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.v3po.translate.impl.write;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import io.fd.honeycomb.v3po.translate.impl.TraversalType;
import io.fd.honeycomb.v3po.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.v3po.translate.util.RWUtils;
import io.fd.honeycomb.v3po.translate.write.ChildWriter;
import io.fd.honeycomb.v3po.translate.write.WriteContext;
import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.binding.Augmentation;
import org.opendaylight.yangtools.yang.binding.ChildOf;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.Identifiable;
import org.opendaylight.yangtools.yang.binding.Identifier;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class CompositeListWriter<D extends DataObject & Identifiable<K>, K extends Identifier<D>> extends
AbstractCompositeWriter<D>
implements ChildWriter<D> {
private static final Function<DataObject, Object> INDEX_FUNCTION = input -> input instanceof Identifiable<?>
? ((Identifiable<?>) input).getKey()
: input;
private final ListWriterCustomizer<D, K> customizer;
public CompositeListWriter(@Nonnull final Class<D> type,
@Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
@Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
@Nonnull final ListWriterCustomizer<D, K> customizer) {
this(type, childWriters, augWriters, customizer, TraversalType.PREORDER);
}
public CompositeListWriter(@Nonnull final Class<D> type,
@Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
@Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
@Nonnull final ListWriterCustomizer<D, K> customizer,
@Nonnull final TraversalType traversalType) {
super(type, childWriters, augWriters, traversalType);
this.customizer = customizer;
}
public CompositeListWriter(@Nonnull final Class<D> type,
@Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
@Nonnull final ListWriterCustomizer<D, K> customizer) {
this(type, childWriters, RWUtils.<D>emptyAugWriterList(), customizer);
}
public CompositeListWriter(@Nonnull final Class<D> type,
@Nonnull final ListWriterCustomizer<D, K> customizer) {
this(type, RWUtils.<D>emptyChildWriterList(), RWUtils.<D>emptyAugWriterList(), customizer);
}
@Override
protected void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D data,
@Nonnull final WriteContext ctx) throws WriteFailedException {
customizer.writeCurrentAttributes(id, data, ctx);
}
@Override
protected void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataBefore,
@Nonnull final WriteContext ctx) throws WriteFailedException {
customizer.deleteCurrentAttributes(id, dataBefore, ctx);
}
@Override
protected void updateCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataBefore,
@Nonnull final D dataAfter, @Nonnull final WriteContext ctx)
throws WriteFailedException {
customizer.updateCurrentAttributes(id, dataBefore, dataAfter, ctx);
}
@Override
public void writeChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
@Nonnull final DataObject parentData,
@Nonnull final WriteContext ctx) throws WriteFailedException {
final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
final Optional<List<D>> currentData = customizer.extract(currentId, parentData);
if (currentData.isPresent()) {
for (D entry : currentData.get()) {
writeCurrent(currentId, entry, ctx);
}
}
}
@Override
public void deleteChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
@Nonnull final DataObject parentDataBefore,
@Nonnull final WriteContext ctx) throws WriteFailedException {
final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
final Optional<List<D>> dataBefore = customizer.extract(currentId, parentDataBefore);
if (dataBefore.isPresent()) {
for (D entry : dataBefore.get()) {
deleteCurrent(currentId, entry, ctx);
}
}
}
private Map<Object, D> listOfIdentifiableToMap(Optional<List<D>> list) {
if (list.isPresent()) {
return Maps.uniqueIndex(list.get(), INDEX_FUNCTION);
} else {
return Collections.emptyMap();
}
}
@Override
public void updateChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
@Nonnull final DataObject parentDataBefore, @Nonnull final DataObject parentDataAfter,
@Nonnull final WriteContext ctx) throws WriteFailedException {
final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
final Map<Object, D> dataBefore = listOfIdentifiableToMap(customizer.extract(currentId, parentDataBefore));
final Map<Object, D> dataAfter = listOfIdentifiableToMap(customizer.extract(currentId, parentDataAfter));
for (Map.Entry<Object, D> after : dataAfter.entrySet()) {
final D before = dataBefore.get(after.getKey());
if(before == null) {
writeCurrent(currentId, after.getValue(), ctx);
} else {
updateCurrent(currentId, before, after.getValue(), ctx);
}
}
// Delete the rest in dataBefore
for (Object deletedNodeKey : Sets.difference(dataBefore.keySet(), dataAfter.keySet())) {
final D deleted = dataBefore.get(deletedNodeKey);
deleteCurrent(currentId, deleted, ctx);
}
}
@Override
protected void writeCurrent(final InstanceIdentifier<D> id, final D data, final WriteContext ctx)
throws WriteFailedException {
// Make sure the key is present
if(isWildcarded(id)) {
super.writeCurrent(getSpecificId(id, data), data, ctx);
} else {
super.writeCurrent(id, data, ctx);
}
}
@Override
protected void updateCurrent(final InstanceIdentifier<D> id, final D dataBefore, final D dataAfter,
final WriteContext ctx) throws WriteFailedException {
// Make sure the key is present
if(isWildcarded(id)) {
super.updateCurrent(getSpecificId(id, dataBefore), dataBefore, dataAfter, ctx);
} else {
super.updateCurrent(id, dataBefore, dataAfter, ctx);
}
}
@Override
protected void deleteCurrent(final InstanceIdentifier<D> id, final D dataBefore, final WriteContext ctx)
throws WriteFailedException {
// Make sure the key is present
if(isWildcarded(id)) {
super.deleteCurrent(getSpecificId(id, dataBefore), dataBefore, ctx);
} else {
super.deleteCurrent(id, dataBefore, ctx);
}
}
private boolean isWildcarded(final InstanceIdentifier<D> id) {
return id.firstIdentifierOf(getManagedDataObjectType().getTargetType()).isWildcarded();
}
private InstanceIdentifier<D> getSpecificId(final InstanceIdentifier<D> currentId, final D current) {
return RWUtils.replaceLastInId(currentId,
new InstanceIdentifier.IdentifiableItem<>(currentId.getTargetType(), current.getKey()));
}
}
|
