ONOS-542 Defining application subsystem interfaces & public constructs.
Change-Id: Iba0d2cb69dace5beee8a68def9918059ce755b5c
diff --git a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
new file mode 100644
index 0000000..4da85a5
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
@@ -0,0 +1,136 @@
+/*
+ * 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.core;
+
+import java.net.URI;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default implementation of network control/management application descriptor.
+ */
+public class DefaultApplication implements Application {
+
+ private final ApplicationId appId;
+ private final Version version;
+ private final String description;
+ private final String origin;
+ private final Set<Permission> permissions;
+ private final Optional<URI> featuresRepo;
+ private final Set<String> features;
+
+ /**
+ * Creates a new application descriptor using the supplied data.
+ *
+ * @param appId application identifier
+ * @param version application version
+ * @param description application description
+ * @param origin origin company
+ * @param permissions requested permissions
+ * @param featuresRepo optional features repo URI
+ * @param features application features
+ */
+ public DefaultApplication(ApplicationId appId, Version version,
+ String description, String origin,
+ Set<Permission> permissions,
+ Optional<URI> featuresRepo, Set<String> features) {
+ this.appId = checkNotNull(appId, "ID cannot be null");
+ this.version = checkNotNull(version, "Version cannot be null");
+ this.description = checkNotNull(description, "Description cannot be null");
+ this.origin = checkNotNull(origin, "Origin cannot be null");
+ this.permissions = checkNotNull(permissions, "Permissions cannot be null");
+ this.featuresRepo = checkNotNull(featuresRepo, "Features repo cannot be null");
+ this.features = checkNotNull(features, "Features cannot be null");
+ checkArgument(!features.isEmpty(), "There must be at least one feature");
+ }
+
+ @Override
+ public ApplicationId id() {
+ return appId;
+ }
+
+ @Override
+ public Version version() {
+ return version;
+ }
+
+ @Override
+ public String description() {
+ return description;
+ }
+
+ @Override
+ public String origin() {
+ return origin;
+ }
+
+ @Override
+ public Set<Permission> permissions() {
+ return permissions;
+ }
+
+ @Override
+ public Optional<URI> featuresRepo() {
+ return featuresRepo;
+ }
+
+ @Override
+ public Set<String> features() {
+ return features;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(appId, version, description, origin, permissions,
+ featuresRepo, features);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null || getClass() != obj.getClass()) {
+ return false;
+ }
+ final DefaultApplication other = (DefaultApplication) obj;
+ return Objects.equals(this.appId, other.appId) &&
+ Objects.equals(this.version, other.version) &&
+ Objects.equals(this.description, other.description) &&
+ Objects.equals(this.origin, other.origin) &&
+ Objects.equals(this.permissions, other.permissions) &&
+ Objects.equals(this.featuresRepo, other.featuresRepo) &&
+ Objects.equals(this.features, other.features);
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this)
+ .add("appId", appId)
+ .add("version", version)
+ .add("description", description)
+ .add("origin", origin)
+ .add("permissions", permissions)
+ .add("featuresRepo", featuresRepo)
+ .add("features", features)
+ .toString();
+ }
+}