Remove support for actions/rpc/notifications

[controller.git] / opendaylight / blueprint / src / main / java / org / opendaylight / controller / blueprint / ext / ActionProviderBean.java

diff --git a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/ActionProviderBean.java b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/ActionProviderBean.java
deleted file mode 100644 (file)
index 5139b5f..0000000
--- a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/ActionProviderBean.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.blueprint.ext;
-
-import com.google.common.collect.Collections2;
-import com.google.common.collect.ImmutableSet;
-import java.util.Objects;
-import org.opendaylight.mdsal.binding.api.RpcProviderService;
-import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
-import org.opendaylight.mdsal.dom.api.DOMRpcImplementationNotAvailableException;
-import org.opendaylight.mdsal.dom.api.DOMRpcProviderService;
-import org.opendaylight.mdsal.dom.api.DOMSchemaService;
-import org.opendaylight.yangtools.concepts.Registration;
-import org.opendaylight.yangtools.util.concurrent.FluentFutures;
-import org.opendaylight.yangtools.yang.binding.RpcService;
-import org.osgi.framework.Bundle;
-import org.osgi.service.blueprint.container.ComponentDefinitionException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Blueprint bean corresponding to the "action-provider" element that registers the promise to instantiate action
- * instances with RpcProviderRegistry.
- *
- * <p>
- * This bean has two distinct facets:
- * - if a reference bean is provided, it registers it with {@link RpcProviderService}
- * - if a reference bean is not provided, it registers the corresponding no-op implementation with
- *   {@link DOMRpcProviderService} for all action (Routed RPC) elements in the provided interface
- */
-public class ActionProviderBean {
-    static final String ACTION_PROVIDER = "action-provider";
-
-    private static final Logger LOG = LoggerFactory.getLogger(ActionProviderBean.class);
-
-    private DOMRpcProviderService domRpcProvider = null;
-    private RpcProviderService bindingRpcProvider = null;
-    private DOMSchemaService schemaService = null;
-    private RpcService implementation = null;
-    private String interfaceName = null;
-    private Registration reg;
-    private Bundle bundle = null;
-
-    public void setBundle(final Bundle bundle) {
-        this.bundle = bundle;
-    }
-
-    public void setInterfaceName(final String interfaceName) {
-        this.interfaceName = interfaceName;
-    }
-
-    public void setImplementation(final RpcService implementation) {
-        this.implementation = implementation;
-    }
-
-    public void setDomRpcProvider(final DOMRpcProviderService rpcProviderService) {
-        domRpcProvider = rpcProviderService;
-    }
-
-    public void setBindingRpcProvider(final RpcProviderService rpcProvider) {
-        bindingRpcProvider = rpcProvider;
-    }
-
-    public void setSchemaService(final DOMSchemaService schemaService) {
-        this.schemaService = schemaService;
-    }
-
-    public void init() {
-        // First resolve the interface class
-        final Class<RpcService> interfaceClass = getRpcClass();
-
-        LOG.debug("{}: resolved interface {} to {}", ACTION_PROVIDER, interfaceName, interfaceClass);
-
-        if (implementation != null) {
-            registerImplementation(interfaceClass);
-        } else {
-            registerFallback(interfaceClass);
-        }
-    }
-
-    @SuppressWarnings("checkstyle:IllegalCatch")
-    public void destroy() {
-        if (reg != null) {
-            try {
-                reg.close();
-            } catch (final Exception e) {
-                LOG.warn("{}: error while unregistering", ACTION_PROVIDER, e);
-            } finally {
-                reg = null;
-            }
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    private Class<RpcService> getRpcClass() {
-        final Class<?> iface;
-
-        try {
-            iface = bundle.loadClass(interfaceName);
-        } catch (final ClassNotFoundException e) {
-            throw new ComponentDefinitionException(String.format(
-                "The specified \"interface\" for %s \"%s\" does not refer to an available class", interfaceName,
-                ACTION_PROVIDER), e);
-        }
-        if (!RpcService.class.isAssignableFrom(iface)) {
-            throw new ComponentDefinitionException(String.format(
-                "The specified \"interface\" %s for \"%s\" is not an RpcService", interfaceName, ACTION_PROVIDER));
-        }
-
-        return (Class<RpcService>) iface;
-    }
-
-    private void registerFallback(final Class<RpcService> interfaceClass) {
-        final var paths = RpcUtil.decomposeRpcService(interfaceClass, schemaService.getGlobalContext(),
-            Objects::nonNull);
-        if (paths.isEmpty()) {
-            LOG.warn("{}: interface {} has no actions defined", ACTION_PROVIDER, interfaceClass);
-            return;
-        }
-
-        final var rpcs = ImmutableSet.copyOf(Collections2.transform(paths, DOMRpcIdentifier::create));
-        reg = domRpcProvider.registerRpcImplementation(
-            (rpc, input) -> FluentFutures.immediateFailedFluentFuture(new DOMRpcImplementationNotAvailableException(
-                "Action %s has no instance matching %s", rpc, input)), rpcs);
-        LOG.debug("Registered provider for {}", interfaceName);
-    }
-
-    private void registerImplementation(final Class<RpcService> interfaceClass) {
-        if (!interfaceClass.isInstance(implementation)) {
-            throw new ComponentDefinitionException(String.format(
-                "The specified \"interface\" %s for \"%s\" is not implemented by RpcService \"ref\" %s",
-                interfaceName, ACTION_PROVIDER, implementation.getClass()));
-        }
-
-        reg = bindingRpcProvider.registerRpcImplementation(interfaceClass, implementation);
-        LOG.debug("Registered implementation {} for {}", implementation, interfaceName);
-    }
-}