delete createRelationNode

-/**
- * Copyright © 2016-2018 The Thingsboard Authors
- *
- * 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.thingsboard.rule.engine.action;
-
-import com.google.common.util.concurrent.ListenableFuture;
-import lombok.extern.slf4j.Slf4j;
-import org.thingsboard.rule.engine.api.*;
-import org.thingsboard.rule.engine.api.util.DonAsynchron;
-import org.thingsboard.rule.engine.api.util.TbNodeUtils;
-import org.thingsboard.server.common.data.id.EntityId;
-import org.thingsboard.server.common.data.id.EntityIdFactory;
-import org.thingsboard.server.common.data.plugin.ComponentType;
-import org.thingsboard.server.common.data.relation.EntityRelation;
-import org.thingsboard.server.common.data.relation.EntitySearchDirection;
-import org.thingsboard.server.common.data.relation.RelationTypeGroup;
-import org.thingsboard.server.common.msg.TbMsg;
-
-import static org.thingsboard.rule.engine.api.TbRelationTypes.FAILURE;
-import static org.thingsboard.rule.engine.api.TbRelationTypes.SUCCESS;
-import static org.thingsboard.rule.engine.api.util.DonAsynchron.withCallback;
-
-@Slf4j
-@RuleNode(
-        type = ComponentType.ACTION,
-        name = "create relation",
-        configClazz = TbCreateRelationNodeConfiguration.class,
-        nodeDescription = "Create the relation from the selected entity to originator of the message by type and direction",
-        nodeDetails = "If relation is already exists - send Message via <b>Success</b> chain with error message, otherwise is also used <b>Success</b> chain without error message.",
-        uiResources = {"static/rulenode/rulenode-core-config.js"},
-        configDirective = "tbFilterNodeCheckRelationConfig")
-public class TbCreateRelationNode implements TbNode {
-
-    private TbCreateRelationNodeConfiguration config;
-    private EntityId fromId;
-    private EntityId toId;
-
-    @Override
-    public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
-        this.config = TbNodeUtils.convert(configuration, TbCreateRelationNodeConfiguration.class);
-    }
-
-    @Override
-    public void onMsg(TbContext ctx, TbMsg msg) {
-        DonAsynchron.withCallback(checkRelation(ctx, msg), result -> {
-            if (result) {
-                ctx.tellNext(msg, SUCCESS, new Throwable("Relation between message originator and Entity: " + config.getEntityId() + " is already exist"));
-            } else {
-                processCreateRelation(ctx, msg);
-            }
-        }, error -> ctx.tellFailure(msg, error), ctx.getDbCallbackExecutor());
-    }
-
-    @Override
-    public void destroy() {
-    }
-
-    private ListenableFuture<Boolean> checkRelation(TbContext ctx, TbMsg msg) {
-        if (EntitySearchDirection.TO.name().equals(config.getDirection())) {
-            fromId = EntityIdFactory.getByTypeAndId(config.getEntityType(), config.getEntityId());
-            toId = msg.getOriginator();
-        } else {
-            fromId = EntityIdFactory.getByTypeAndId(config.getEntityType(), config.getEntityId());
-            toId = msg.getOriginator();
-        }
-        return ctx.getRelationService().checkRelation(ctx.getTenantId(), fromId, toId, config.getRelationType(), RelationTypeGroup.COMMON);
-    }
-
-    private void processCreateRelation(TbContext ctx, TbMsg msg) {
-        EntityRelation entityRelation = new EntityRelation(fromId, toId, config.getRelationType(), RelationTypeGroup.COMMON);
-        withCallback(ctx.getRelationService().saveRelationAsync(ctx.getTenantId(), entityRelation),
-                filterResult -> ctx.tellNext(msg, filterResult ? SUCCESS : FAILURE), t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
-    }
-
-}

-/**
- * Copyright © 2016-2018 The Thingsboard Authors
- *
- * 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.thingsboard.rule.engine.action;
-
-import lombok.Data;
-import org.thingsboard.rule.engine.api.NodeConfiguration;
-import org.thingsboard.server.common.data.relation.EntitySearchDirection;
-
-@Data
-public class TbCreateRelationNodeConfiguration implements NodeConfiguration<TbCreateRelationNodeConfiguration> {
-
-    private String direction;
-    private String entityId;
-    private String entityType;
-    private String relationType;
-
-
-    @Override
-    public TbCreateRelationNodeConfiguration defaultConfiguration() {
-        TbCreateRelationNodeConfiguration configuration = new TbCreateRelationNodeConfiguration();
-        configuration.setDirection(EntitySearchDirection.FROM.name());
-        configuration.setRelationType("Contains");
-        return configuration;
-    }
-}