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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java new file mode 100644 index 00000000..43b8e4b1 --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java @@ -0,0 +1,96 @@ +/* + * Copyright 2014 Open Networking Laboratory + * + * 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 org.onosproject.net.intent.constraint; + +import com.google.common.annotations.Beta; +import org.onosproject.net.Link; +import org.onosproject.net.resource.link.BandwidthResource; +import org.onosproject.net.resource.link.BandwidthResourceRequest; +import org.onosproject.net.resource.link.LinkResourceService; +import org.onosproject.net.resource.ResourceRequest; +import org.onosproject.net.resource.ResourceType; + +import java.util.Objects; + +import static com.google.common.base.MoreObjects.toStringHelper; +import static com.google.common.base.Preconditions.checkNotNull; + +/** + * Constraint that evaluates links based on available bandwidths. + */ +@Beta +public class BandwidthConstraint extends BooleanConstraint { + + private final BandwidthResource bandwidth; + + /** + * Creates a new bandwidth constraint. + * + * @param bandwidth required bandwidth + */ + public BandwidthConstraint(BandwidthResource bandwidth) { + this.bandwidth = checkNotNull(bandwidth, "Bandwidth cannot be null"); + } + + // Constructor for serialization + private BandwidthConstraint() { + this.bandwidth = null; + } + + @Override + public boolean isValid(Link link, LinkResourceService resourceService) { + for (ResourceRequest request : resourceService.getAvailableResources(link)) { + if (request.type() == ResourceType.BANDWIDTH) { + BandwidthResourceRequest brr = (BandwidthResourceRequest) request; + if (brr.bandwidth().toDouble() >= bandwidth.toDouble()) { + return true; + } + } + } + return false; + } + + /** + * Returns the bandwidth required by this constraint. + * + * @return required bandwidth + */ + public BandwidthResource bandwidth() { + return bandwidth; + } + + @Override + public int hashCode() { + return Objects.hash(bandwidth); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final BandwidthConstraint other = (BandwidthConstraint) obj; + return Objects.equals(this.bandwidth, other.bandwidth); + } + + @Override + public String toString() { + return toStringHelper(this).add("bandwidth", bandwidth).toString(); + } +} |