| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.flink.table.client.gateway; |
| |
| import org.apache.flink.table.client.config.Environment; |
| import org.apache.flink.table.client.config.entries.ViewEntry; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| /** |
| * Context describing a session. |
| */ |
| public class SessionContext { |
| |
| private final String name; |
| |
| private final Environment defaultEnvironment; |
| |
| private final Map<String, String> sessionProperties; |
| |
| private final Map<String, ViewEntry> views; |
| |
| public SessionContext(String name, Environment defaultEnvironment) { |
| this.name = name; |
| this.defaultEnvironment = defaultEnvironment; |
| this.sessionProperties = new HashMap<>(); |
| // the order of how views are registered matters because |
| // they might reference each other |
| this.views = new LinkedHashMap<>(); |
| } |
| |
| public void setSessionProperty(String key, String value) { |
| sessionProperties.put(key, value); |
| } |
| |
| public void resetSessionProperties() { |
| sessionProperties.clear(); |
| } |
| |
| public void addView(ViewEntry viewEntry) { |
| views.put(viewEntry.getName(), viewEntry); |
| } |
| |
| public void removeView(String name) { |
| views.remove(name); |
| } |
| |
| public Map<String, ViewEntry> getViews() { |
| return Collections.unmodifiableMap(views); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public Environment getEnvironment() { |
| return Environment.enrich( |
| defaultEnvironment, |
| sessionProperties, |
| views); |
| } |
| |
| public SessionContext copy() { |
| final SessionContext session = new SessionContext(name, defaultEnvironment); |
| session.sessionProperties.putAll(sessionProperties); |
| session.views.putAll(views); |
| return session; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof SessionContext)) { |
| return false; |
| } |
| SessionContext context = (SessionContext) o; |
| return Objects.equals(name, context.name) && |
| Objects.equals(defaultEnvironment, context.defaultEnvironment) && |
| Objects.equals(sessionProperties, context.sessionProperties) && |
| Objects.equals(views, context.views); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash( |
| name, |
| defaultEnvironment, |
| sessionProperties, |
| views); |
| } |
| } |