| /* |
| * 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.drill.jdbc; |
| |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableMap; |
| |
| /** |
| * An immutable bag of parameters that describes a {@link java.sql.Connection}. |
| */ |
| public class ConnectionInfo { |
| private final String url; |
| private final Map<Object, Object> params; |
| |
| public ConnectionInfo(String url, Properties params) { |
| this(url, ImmutableMap.copyOf(params)); |
| } |
| |
| public ConnectionInfo(String url, ImmutableMap<Object, Object> params) { |
| this.url = Preconditions.checkNotNull(url, "URL cannot be null"); |
| this.params = params; |
| } |
| |
| /** |
| * Returns connection url. |
| */ |
| public String getUrl() { |
| return url; |
| } |
| |
| /** |
| * Returns connection parameters. |
| */ |
| public Map<Object, Object> getParameters() { |
| return params; |
| } |
| |
| /** |
| * Creates a new {@link java.util.Properties} instance from underlying parameters. |
| */ |
| public Properties getParamsAsProperties() { |
| final Properties props = new Properties(); |
| for (Object key:params.keySet()) { |
| props.put(key, params.get(key)); |
| } |
| return props; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(url, params); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof ConnectionInfo) { |
| final ConnectionInfo info = ConnectionInfo.class.cast(obj); |
| return Objects.equal(url, info.getUrl()) && Objects.equal(params, info.getParameters()); |
| } |
| return false; |
| } |
| } |