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Gerrit Code Review
[ONOS-3833] Load balance identifier class and UT
Change-Id: Ice90fbc56be8e214ed9e6657a32eff8839311749
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1 | +/* | ||
2 | + * Copyright 2016 Open Networking Laboratory | ||
3 | + * | ||
4 | + * Licensed under the Apache License, Version 2.0 (the "License"); | ||
5 | + * you may not use this file except in compliance with the License. | ||
6 | + * You may obtain a copy of the License at | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
10 | + * Unless required by applicable law or agreed to in writing, software | ||
11 | + * distributed under the License is distributed on an "AS IS" BASIS, | ||
12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
13 | + * See the License for the specific language governing permissions and | ||
14 | + * limitations under the License. | ||
15 | + */ | ||
16 | +package org.onosproject.vtnrsc; | ||
17 | + | ||
18 | +import static com.google.common.base.Preconditions.checkArgument; | ||
19 | + | ||
20 | +import java.util.Objects; | ||
21 | + | ||
22 | +import com.google.common.base.MoreObjects; | ||
23 | + | ||
24 | +/* | ||
25 | + * Representation of 5 bit load balance identifier for a service function | ||
26 | + */ | ||
27 | +public final class LoadBalanceId { | ||
28 | + | ||
29 | + private static final byte MAX_ID = 0x1F; | ||
30 | + private final byte loadBalanceId; | ||
31 | + | ||
32 | + /** | ||
33 | + * Default constructor. | ||
34 | + * | ||
35 | + * @param loadBalanceId service function chain path's load balance identifier | ||
36 | + */ | ||
37 | + private LoadBalanceId(byte loadBalanceId) { | ||
38 | + checkArgument(loadBalanceId <= MAX_ID, "Load balance id should not be more than 5 bit identifier"); | ||
39 | + this.loadBalanceId = (loadBalanceId); | ||
40 | + } | ||
41 | + | ||
42 | + /** | ||
43 | + * Returns the SfcLoadBalanceId by setting its value. | ||
44 | + * | ||
45 | + * @param loadBalanceId service function chain path's load balance identifier | ||
46 | + * @return LoadBalanceId | ||
47 | + */ | ||
48 | + public static LoadBalanceId of(byte loadBalanceId) { | ||
49 | + return new LoadBalanceId(loadBalanceId); | ||
50 | + } | ||
51 | + | ||
52 | + | ||
53 | + /** | ||
54 | + * Returns load balance identifier for a service function. | ||
55 | + * | ||
56 | + * @return loadBalanceId | ||
57 | + */ | ||
58 | + public byte loadBalanceId() { | ||
59 | + return loadBalanceId; | ||
60 | + } | ||
61 | + | ||
62 | + | ||
63 | + @Override | ||
64 | + public int hashCode() { | ||
65 | + return Objects.hash(loadBalanceId); | ||
66 | + } | ||
67 | + | ||
68 | + @Override | ||
69 | + public boolean equals(Object obj) { | ||
70 | + if (this == obj) { | ||
71 | + return true; | ||
72 | + } | ||
73 | + if (!(obj instanceof LoadBalanceId)) { | ||
74 | + return false; | ||
75 | + } | ||
76 | + final LoadBalanceId other = (LoadBalanceId) obj; | ||
77 | + return Objects.equals(this.loadBalanceId, other.loadBalanceId); | ||
78 | + } | ||
79 | + | ||
80 | + @Override | ||
81 | + public String toString() { | ||
82 | + return MoreObjects.toStringHelper(this) | ||
83 | + .add("loadBalanceId", loadBalanceId) | ||
84 | + .toString(); | ||
85 | + } | ||
86 | +} |
1 | +/* | ||
2 | + * Copyright 2016 Open Networking Laboratory | ||
3 | + * | ||
4 | + * Licensed under the Apache License, Version 2.0 (the "License"); | ||
5 | + * you may not use this file except in compliance with the License. | ||
6 | + * You may obtain a copy of the License at | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
10 | + * Unless required by applicable law or agreed to in writing, software | ||
11 | + * distributed under the License is distributed on an "AS IS" BASIS, | ||
12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
13 | + * See the License for the specific language governing permissions and | ||
14 | + * limitations under the License. | ||
15 | + */ | ||
16 | +package org.onosproject.vtnrsc; | ||
17 | + | ||
18 | +import static org.hamcrest.MatcherAssert.assertThat; | ||
19 | +import static org.hamcrest.Matchers.is; | ||
20 | +import static org.hamcrest.Matchers.notNullValue; | ||
21 | +import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable; | ||
22 | + | ||
23 | +import org.junit.Test; | ||
24 | + | ||
25 | +import com.google.common.testing.EqualsTester; | ||
26 | + | ||
27 | +/** | ||
28 | + * Unit tests for LoadBalanceId class. | ||
29 | + */ | ||
30 | +public class LoadBalanceIdTest { | ||
31 | + | ||
32 | + final LoadBalanceId id1 = LoadBalanceId.of((byte) 1); | ||
33 | + final LoadBalanceId sameAsId1 = LoadBalanceId.of((byte) 1); | ||
34 | + final LoadBalanceId id2 = LoadBalanceId.of((byte) 2); | ||
35 | + | ||
36 | + /** | ||
37 | + * Checks that the LoadBalanceId class is immutable. | ||
38 | + */ | ||
39 | + @Test | ||
40 | + public void testImmutability() { | ||
41 | + assertThatClassIsImmutable(LoadBalanceId.class); | ||
42 | + } | ||
43 | + | ||
44 | + /** | ||
45 | + * Checks the operation of equals() methods. | ||
46 | + */ | ||
47 | + @Test | ||
48 | + public void testEquals() { | ||
49 | + new EqualsTester().addEqualityGroup(id1, sameAsId1).addEqualityGroup(id2) | ||
50 | + .testEquals(); | ||
51 | + } | ||
52 | + | ||
53 | + /** | ||
54 | + * Checks the construction of a LoadBalanceId object. | ||
55 | + */ | ||
56 | + @Test | ||
57 | + public void testConstruction() { | ||
58 | + final LoadBalanceId id = LoadBalanceId.of((byte) 1); | ||
59 | + assertThat(id, is(notNullValue())); | ||
60 | + assertThat(id.loadBalanceId(), is((byte) 1)); | ||
61 | + } | ||
62 | +} |
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