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
|
/*
* 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.impl.trans.r.impl;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.common.annotations.Beta;
import com.google.common.base.Optional;
import io.fd.honeycomb.v3po.impl.trans.ReadFailedException;
import io.fd.honeycomb.v3po.impl.trans.r.ChildVppReader;
import io.fd.honeycomb.v3po.impl.trans.r.ListVppReader;
import io.fd.honeycomb.v3po.impl.trans.r.impl.spi.ListVppReaderCustomizer;
import io.fd.honeycomb.v3po.impl.trans.util.VppRWUtils;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.ThreadSafe;
import org.opendaylight.yangtools.concepts.Builder;
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;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Composite implementation of {@link ChildVppReader} able to place the read result into parent builder object intended
* for list node type.
*
* This reader checks if the IDs are wildcarded in which case it performs read of all list entries. In case the ID has a
* key, it reads only the specified value.
*/
@Beta
@ThreadSafe
public final class CompositeListVppReader<C extends DataObject & Identifiable<K>, K extends Identifier<C>, B extends Builder<C>>
extends AbstractCompositeVppReader<C, B> implements ChildVppReader<C>, ListVppReader<C, K> {
private static final Logger LOG = LoggerFactory.getLogger(CompositeListVppReader.class);
private final ListVppReaderCustomizer<C, K, B> customizer;
/**
* Create new {@link CompositeListVppReader}
*
* @param managedDataObjectType Class object for managed data type. Must come from a list node type.
* @param childReaders Child nodes(container, list) readers
* @param augReaders Child augmentations readers
* @param customizer Customizer instance to customize this generic reader
*/
public CompositeListVppReader(@Nonnull final Class<C> managedDataObjectType,
@Nonnull final List<ChildVppReader<? extends ChildOf<C>>> childReaders,
@Nonnull final List<ChildVppReader<? extends Augmentation<C>>> augReaders,
@Nonnull final ListVppReaderCustomizer<C, K, B> customizer) {
super(managedDataObjectType, childReaders, augReaders);
this.customizer = customizer;
}
/**
* @see {@link CompositeListVppReader#CompositeListVppReader(Class, List, List, ListVppReaderCustomizer)}
*/
public CompositeListVppReader(@Nonnull final Class<C> managedDataObjectType,
@Nonnull final List<ChildVppReader<? extends ChildOf<C>>> childReaders,
@Nonnull final ListVppReaderCustomizer<C, K, B> customizer) {
this(managedDataObjectType, childReaders, VppRWUtils.<C>emptyAugReaderList(), customizer);
}
/**
* @see {@link CompositeListVppReader#CompositeListVppReader(Class, List, List, ListVppReaderCustomizer)}
*/
public CompositeListVppReader(@Nonnull final Class<C> managedDataObjectType,
@Nonnull final ListVppReaderCustomizer<C, K, B> customizer) {
this(managedDataObjectType, VppRWUtils.<C>emptyChildReaderList(), VppRWUtils.<C>emptyAugReaderList(),
customizer);
}
@Override
public void read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
@Nonnull final Builder<? extends DataObject> parentBuilder) throws ReadFailedException {
// Create ID pointing to current node
final InstanceIdentifier<C> currentId = VppRWUtils.appendTypeToId(id, getManagedDataObjectType());
// Read all, since current ID is definitely wildcarded
final List<C> ifcs = readList(currentId);
customizer.merge(parentBuilder, ifcs);
}
@Override
@Nonnull
public List<C> readList(@Nonnull final InstanceIdentifier<C> id) throws ReadFailedException {
LOG.trace("{}: Reading all list entries", this);
final List<K> allIds = customizer.getAllIds(id);
LOG.debug("{}: Reading list entries for: {}", this, allIds);
final ArrayList<C> allEntries = new ArrayList<>(allIds.size());
for (K key : allIds) {
final InstanceIdentifier.IdentifiableItem<C, K> currentBdItem =
VppRWUtils.getCurrentIdItem(id, key);
final InstanceIdentifier<C> keyedId = VppRWUtils.replaceLastInId(id, currentBdItem);
final Optional<C> read = readCurrent(keyedId);
final DataObject singleItem = read.get();
checkArgument(getManagedDataObjectType().getTargetType().isAssignableFrom(singleItem.getClass()));
allEntries.add(getManagedDataObjectType().getTargetType().cast(singleItem));
}
return allEntries;
}
@Override
protected void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id, @Nonnull final B builder)
throws ReadFailedException {
customizer.readCurrentAttributes(id, builder);
}
@Override
protected B getBuilder(@Nonnull final InstanceIdentifier<C> id) {
return customizer.getBuilder(id);
}
}
|
