diff options
Diffstat (limited to 'vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/future/AbstractFutureJVppInvoker.java')
-rw-r--r-- | vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/future/AbstractFutureJVppInvoker.java | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/future/AbstractFutureJVppInvoker.java b/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/future/AbstractFutureJVppInvoker.java deleted file mode 100644 index e7df528a..00000000 --- a/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/future/AbstractFutureJVppInvoker.java +++ /dev/null @@ -1,141 +0,0 @@ -/* - * 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.vpp.jvpp.future; - - -import java.util.Map; -import java.util.Objects; -import java.util.concurrent.CompletableFuture; -import java.util.concurrent.CompletionStage; -import io.fd.vpp.jvpp.JVpp; -import io.fd.vpp.jvpp.JVppRegistry; -import io.fd.vpp.jvpp.VppInvocationException; -import io.fd.vpp.jvpp.dto.JVppDump; -import io.fd.vpp.jvpp.dto.JVppReply; -import io.fd.vpp.jvpp.dto.JVppReplyDump; -import io.fd.vpp.jvpp.dto.JVppRequest; - -/** - * Future facade on top of JVpp - */ -public abstract class AbstractFutureJVppInvoker implements FutureJVppInvoker { - - private final JVpp jvpp; - private final JVppRegistry registry; - - /** - * Guarded by self - */ - private final Map<Integer, CompletableFuture<? extends JVppReply<?>>> requests; - - protected AbstractFutureJVppInvoker(final JVpp jvpp, final JVppRegistry registry, - final Map<Integer, CompletableFuture<? extends JVppReply<?>>> requestMap) { - this.jvpp = Objects.requireNonNull(jvpp, "jvpp should not be null"); - this.registry = Objects.requireNonNull(registry, "registry should not be null"); - // Request map represents the shared state between this facade and it's callback - // where facade puts futures in and callback completes + removes them - this.requests = Objects.requireNonNull(requestMap, "Null requestMap"); - } - - protected final Map<Integer, CompletableFuture<? extends JVppReply<?>>> getRequests() { - synchronized (requests) { - return requests; - } - } - - // TODO use Optional in Future, java8 - - @Override - @SuppressWarnings("unchecked") - public <REQ extends JVppRequest, REPLY extends JVppReply<REQ>> CompletionStage<REPLY> send(REQ req) { - synchronized(requests) { - try { - final CompletableFuture<REPLY> replyCompletableFuture; - final int contextId = jvpp.send(req); - - if(req instanceof JVppDump) { - throw new IllegalArgumentException("Send with empty reply dump has to be used in case of dump calls"); - } - replyCompletableFuture = new CompletableFuture<>(); - requests.put(contextId, replyCompletableFuture); - - // TODO in case of timeouts/missing replies, requests from the map are not removed - // consider adding cancel method, that would remove requests from the map and cancel - // associated replyCompletableFuture - - return replyCompletableFuture; - } catch (VppInvocationException ex) { - final CompletableFuture<REPLY> replyCompletableFuture = new CompletableFuture<>(); - replyCompletableFuture.completeExceptionally(ex); - return replyCompletableFuture; - } - } - } - - @Override - @SuppressWarnings("unchecked") - public <REQ extends JVppRequest, REPLY extends JVppReply<REQ>, DUMP extends JVppReplyDump<REQ, REPLY>> CompletionStage<DUMP> send( - REQ req, DUMP emptyReplyDump) { - synchronized(requests) { - try { - final CompletableDumpFuture<DUMP> replyCompletableFuture; - final int contextId = jvpp.send(req); - - if(!(req instanceof JVppDump)) { - throw new IllegalArgumentException("Send without empty reply dump has to be used in case of regular calls"); - } - replyCompletableFuture = new CompletableDumpFuture<>(contextId, emptyReplyDump); - - requests.put(contextId, replyCompletableFuture); - requests.put(registry.controlPing(jvpp.getClass()), replyCompletableFuture); - - // TODO in case of timeouts/missing replies, requests from the map are not removed - // consider adding cancel method, that would remove requests from the map and cancel - // associated replyCompletableFuture - - return replyCompletableFuture; - } catch (VppInvocationException ex) { - final CompletableFuture<DUMP> replyCompletableFuture = new CompletableFuture<>(); - replyCompletableFuture.completeExceptionally(ex); - return replyCompletableFuture; - } - } - } - - public static final class CompletableDumpFuture<T extends JVppReplyDump<?, ?>> extends CompletableFuture<T> { - private final T replyDump; - private final int contextId; - - public CompletableDumpFuture(final int contextId, final T emptyDump) { - this.contextId = contextId; - this.replyDump = emptyDump; - } - - public int getContextId() { - return contextId; - } - - public T getReplyDump() { - return replyDump; - } - } - - @Override - public void close() throws Exception { - jvpp.close(); - } -} |