| /* |
| * 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.unomi.shell.migration.service; |
| |
| import groovy.lang.Script; |
| import org.apache.commons.io.IOUtils; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.commons.lang3.builder.EqualsBuilder; |
| import org.apache.commons.lang3.builder.HashCodeBuilder; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.Version; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Java bean representing a migration script, current implementation support groovy script as migration script |
| * following file name pattern need to be respected: |
| * migrate-VERSION-PRIORITY-NAME.groovy |
| * |
| * example: |
| * migrate-2.0.0-01-segmentReindex.groovy |
| */ |
| public class MigrationScript implements Comparable<MigrationScript> { |
| |
| private static final Pattern SCRIPT_FILENAME_PATTERN = Pattern.compile("^migrate-(\\d+.\\d+.\\d+)-(\\d+)-([\\w|.]+).groovy$"); |
| |
| private final String script; |
| private Script compiledScript; |
| private final Bundle bundle; |
| private final Version version; |
| private final int priority; |
| private final String name; |
| |
| protected MigrationScript(URL scriptURL, Bundle bundle) throws IOException { |
| this.bundle = bundle; |
| this.script = IOUtils.toString(scriptURL); |
| |
| String path = scriptURL.getPath(); |
| String fileName = StringUtils.substringAfterLast(path, "/"); |
| Matcher m = SCRIPT_FILENAME_PATTERN.matcher(fileName); |
| if (m.find()) { |
| this.version = new Version(m.group(1)); |
| this.priority = Integer.parseInt(m.group(2)); |
| this.name = m.group(3); |
| } else { |
| throw new IllegalStateException("Migration script file name do not respect the expected format: " + fileName + |
| ". Expected format is: migrate-VERSION-PRIORITY-NAME.groovy. Example: migrate-2.0.0-01-segmentReindex.groovy"); |
| } |
| } |
| |
| protected Script getCompiledScript() { |
| return compiledScript; |
| } |
| |
| protected void setCompiledScript(Script compiledScript) { |
| this.compiledScript = compiledScript; |
| } |
| |
| protected String getScript() { |
| return script; |
| } |
| |
| protected Bundle getBundle() { |
| return bundle; |
| } |
| |
| protected Version getVersion() { |
| return version; |
| } |
| |
| protected int getPriority() { |
| return priority; |
| } |
| |
| protected String getName() { |
| return name; |
| } |
| |
| @Override |
| public String toString() { |
| return "{" + |
| "version=" + version + |
| ", name='" + name + '\'' + |
| (bundle != null ? ", bundle=" + bundle.getSymbolicName() : "") + |
| '}'; |
| } |
| |
| @Override |
| public int compareTo(MigrationScript other) { |
| int result = version.compareTo(other.getVersion()); |
| if (result != 0) { |
| return result; |
| } |
| |
| result = priority - other.getPriority(); |
| if (result != 0) { |
| return result; |
| } |
| |
| return name.compareTo(other.getName()); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| MigrationScript that = (MigrationScript) o; |
| |
| return new EqualsBuilder().append(priority, that.priority).append(version, that.version).append(name, that.name).isEquals(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return new HashCodeBuilder(17, 37).append(version).append(priority).append(name).toHashCode(); |
| } |
| } |