| /***************************************************************** |
| * 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.cayenne.configuration; |
| |
| import org.apache.cayenne.access.DataNode; |
| import org.apache.cayenne.configuration.server.XMLPoolingDataSourceFactory; |
| import org.apache.cayenne.conn.DataSourceInfo; |
| import org.apache.cayenne.resource.Resource; |
| import org.apache.cayenne.util.XMLEncoder; |
| import org.apache.cayenne.util.XMLSerializable; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * A descriptor of {@link DataNode} configuration. |
| * |
| * @since 3.1 |
| */ |
| public class DataNodeDescriptor implements ConfigurationNode, XMLSerializable, |
| Serializable, Comparable<DataNodeDescriptor> { |
| |
| protected String name; |
| protected Collection<String> dataMapNames; |
| |
| protected String parameters; |
| protected String adapterType; |
| protected String dataSourceFactoryType; |
| protected String schemaUpdateStrategyType; |
| |
| // TODO: andrus, 12.13.2009: replace funky DataSourceInfo with a cleaner new class |
| // (DataSourceDescriptor?) |
| protected DataSourceInfo dataSourceDescriptor; |
| |
| protected transient Resource configurationSource; |
| |
| /** |
| * @since 3.1 |
| */ |
| protected DataChannelDescriptor dataChannelDescriptor; |
| |
| public DataNodeDescriptor() { |
| this(null); |
| } |
| |
| public DataNodeDescriptor(String name) { |
| this.dataMapNames = new ArrayList<String>(); |
| this.name = name; |
| } |
| |
| /** |
| * @since 3.1 |
| */ |
| public DataChannelDescriptor getDataChannelDescriptor() { |
| return dataChannelDescriptor; |
| } |
| |
| /** |
| * @since 3.1 |
| */ |
| public void setDataChannelDescriptor(DataChannelDescriptor dataChannelDescriptor) { |
| this.dataChannelDescriptor = dataChannelDescriptor; |
| } |
| |
| public int compareTo(DataNodeDescriptor o) { |
| String o1 = getName(); |
| String o2 = o.getName(); |
| |
| if (o1 == null) { |
| return (o2 != null) ? -1 : 0; |
| } |
| else if (o2 == null) { |
| return 1; |
| } |
| else { |
| return o1.compareTo(o2); |
| } |
| } |
| |
| public <T> T acceptVisitor(ConfigurationNodeVisitor<T> visitor) { |
| return visitor.visitDataNodeDescriptor(this); |
| } |
| |
| public void encodeAsXML(XMLEncoder encoder) { |
| encoder.print("<node"); |
| encoder.printlnAttribute("name", name); |
| encoder.indent(1); |
| |
| encoder.printlnAttribute("adapter", adapterType); |
| encoder.printlnAttribute("factory", dataSourceFactoryType); |
| |
| if (!XMLPoolingDataSourceFactory.class.getName().equals(dataSourceFactoryType)) { |
| encoder.printlnAttribute("parameters", parameters); |
| } |
| encoder.printlnAttribute("schema-update-strategy", schemaUpdateStrategyType); |
| encoder.println(">"); |
| |
| if (!dataMapNames.isEmpty()) { |
| |
| List<String> names = new ArrayList<String>(dataMapNames); |
| Collections.sort(names); |
| |
| for (String mapName : names) { |
| encoder.print("<map-ref"); |
| encoder.printAttribute("name", mapName); |
| encoder.println("/>"); |
| } |
| } |
| |
| if (dataSourceDescriptor != null && XMLPoolingDataSourceFactory.class.getName().equals(dataSourceFactoryType)) { |
| dataSourceDescriptor.encodeAsXML(encoder); |
| } |
| |
| encoder.indent(-1); |
| encoder.println("</node>"); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public Collection<String> getDataMapNames() { |
| return dataMapNames; |
| } |
| |
| /** |
| * Returns extra DataNodeDescriptor parameters. This property is often used by custom |
| * {@link org.apache.cayenne.configuration.server.DataSourceFactory} to configure a DataSource. E.g. JNDIDataSourceFactory may |
| * treat parameters String as a JNDI location of the DataSource, etc. |
| */ |
| public String getParameters() { |
| return parameters; |
| } |
| |
| /** |
| * Sets extra DataNodeDescriptor parameters. This property is often used by custom |
| * {@link org.apache.cayenne.configuration.server.DataSourceFactory} to configure a DataSource. E.g. JNDIDataSourceFactory may |
| * treat parameters String as a JNDI location of the DataSource, etc. |
| */ |
| public void setParameters(String parameters) { |
| this.parameters = parameters; |
| } |
| |
| public String getAdapterType() { |
| return adapterType; |
| } |
| |
| public void setAdapterType(String adapter) { |
| this.adapterType = adapter; |
| } |
| |
| public String getDataSourceFactoryType() { |
| return dataSourceFactoryType; |
| } |
| |
| public void setDataSourceFactoryType(String dataSourceFactory) { |
| this.dataSourceFactoryType = dataSourceFactory; |
| } |
| |
| public String getSchemaUpdateStrategyType() { |
| return schemaUpdateStrategyType; |
| } |
| |
| public void setSchemaUpdateStrategyType(String schemaUpdateStrategyClass) { |
| this.schemaUpdateStrategyType = schemaUpdateStrategyClass; |
| } |
| |
| public DataSourceInfo getDataSourceDescriptor() { |
| return dataSourceDescriptor; |
| } |
| |
| public void setDataSourceDescriptor(DataSourceInfo dataSourceDescriptor) { |
| this.dataSourceDescriptor = dataSourceDescriptor; |
| } |
| |
| /** |
| * Returns configuration resource for this descriptor. Configuration is usually shared |
| * with the parent {@link DataChannelDescriptor}. |
| */ |
| public Resource getConfigurationSource() { |
| return configurationSource; |
| } |
| |
| /** |
| * Sets configuration resource for this descriptor. Configuration is usually shared |
| * with the parent {@link DataChannelDescriptor} and has to be synchronized when it |
| * changes in the parent. |
| */ |
| public void setConfigurationSource(Resource configurationResource) { |
| this.configurationSource = configurationResource; |
| } |
| |
| } |