Initial sketch and implementaion of Objectives.
These objective will be used to provide a layer of abstraction
that isolates applications for device pipeline details.
initial objective support
Change-Id: I019302822421f0fe1f508f2f7527d91578e30116
initial implemetation of a simple pipeline behaviour
Change-Id: Id0d9167896c717d05cda90e1524fc24c76e9fc9b
initial implementation of objectives
Change-Id: I768fa2020308d5feb95eaaff355aa511b323beca
diff --git a/core/api/src/main/java/org/onosproject/net/flowobjective/DefaultNextObjective.java b/core/api/src/main/java/org/onosproject/net/flowobjective/DefaultNextObjective.java
new file mode 100644
index 0000000..4ab79ff
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flowobjective/DefaultNextObjective.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2015 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.flowobjective;
+
+import com.google.common.collect.ImmutableList;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.flow.TrafficTreatment;
+
+import java.util.Collection;
+import java.util.List;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default implementation of a next objective.
+ */
+public final class DefaultNextObjective implements NextObjective {
+
+ private final List<TrafficTreatment> treatments;
+ private final ApplicationId appId;
+ private final Type type;
+ private final Integer id;
+
+ private DefaultNextObjective(Integer id, List<TrafficTreatment> treatments,
+ ApplicationId appId, Type type) {
+ this.treatments = treatments;
+ this.appId = appId;
+ this.type = type;
+ this.id = id;
+ }
+
+ @Override
+ public Collection<TrafficTreatment> next() {
+ return treatments;
+ }
+
+ @Override
+ public Type type() {
+ return type;
+ }
+
+ @Override
+ public int id() {
+ return id;
+ }
+
+ @Override
+ public int priority() {
+ return 0;
+ }
+
+ @Override
+ public ApplicationId appId() {
+ return appId;
+ }
+
+ @Override
+ public int timeout() {
+ return 0;
+ }
+
+ @Override
+ public boolean permanent() {
+ return false;
+ }
+
+ @Override
+ public Operation op() {
+ throw new UnsupportedOperationException("Next Objective has no operation");
+ }
+
+ /**
+ * Returns a new builder.
+ *
+ * @return new builder
+ */
+ public static Builder builder() {
+ return new Builder();
+ }
+
+ public static final class Builder implements NextObjective.Builder {
+
+ private ApplicationId appId;
+ private Type type;
+ private Integer id;
+
+ private final ImmutableList.Builder<TrafficTreatment> listBuilder
+ = ImmutableList.builder();
+
+
+
+ @Override
+ public NextObjective.Builder withId(int nextId) {
+ this.id = nextId;
+ return this;
+ }
+
+ @Override
+ public Builder withType(Type type) {
+ this.type = type;
+ return this;
+ }
+
+ @Override
+ public Builder addTreatment(TrafficTreatment treatment) {
+ listBuilder.add(treatment);
+ return this;
+ }
+
+ /**
+ * Noop. This method has no effect.
+ *
+ * @param timeout a timeout
+ * @return a next objective builder
+ */
+ @Override
+ public Builder makeTemporary(int timeout) {
+ return this;
+ }
+
+ /**
+ * Noop. This method has no effect.
+ *
+ * @return a next objective builder
+ */
+ @Override
+ public Builder makePermanent() {
+ return this;
+ }
+
+ @Override
+ public Builder fromApp(ApplicationId appId) {
+ this.appId = appId;
+ return this;
+ }
+
+ /**
+ * Noop. This method has no effect.
+ *
+ * @param priority an integer
+ * @return a next objective builder
+ */
+ @Override
+ public Builder withPriority(int priority) {
+ return this;
+ }
+
+ @Override
+ public NextObjective build() {
+ List<TrafficTreatment> treatments = listBuilder.build();
+ checkNotNull(appId, "Must supply an application id");
+ checkNotNull(id, "id cannot be null");
+ checkNotNull(type, "The type cannot be null");
+ checkArgument(!treatments.isEmpty(), "Must have at least one treatment");
+
+ return new DefaultNextObjective(id, treatments, appId, type);
+ }
+ }
+}