com.google.gerrit.extensions.api.changes.Changes Maven / Gradle / Ivy
// Copyright (C) 2013 The Android Open Source Project
//
// 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 com.google.gerrit.extensions.api.changes;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
import com.google.gerrit.extensions.client.ListChangesOption;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.extensions.common.ChangeInput;
import com.google.gerrit.extensions.restapi.NotImplementedException;
import com.google.gerrit.extensions.restapi.RestApiException;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
public interface Changes {
/**
* Look up a change by numeric ID.
*
* Note: This method eagerly reads the change. Methods that mutate the change
* do not necessarily re-read the change. Therefore, calling a getter method on an instance after
* calling a mutation method on that same instance is not guaranteed to reflect the mutation. It
* is not recommended to store references to {@code ChangeApi} instances.
*
* @param id change number.
* @return API for accessing the change.
* @throws RestApiException if an error occurred.
*/
ChangeApi id(int id) throws RestApiException;
/**
* Look up a change by string ID.
*
* @see #id(int)
* @param id any identifier supported by the REST API, including change number, Change-Id, or
* project~branch~Change-Id triplet.
* @return API for accessing the change.
* @throws RestApiException if an error occurred.
*/
ChangeApi id(String id) throws RestApiException;
/**
* Look up a change by project, branch, and change ID.
*
* @see #id(int)
*/
ChangeApi id(String project, String branch, String id) throws RestApiException;
/**
* Look up a change by project and numeric ID.
*
* @param project project name.
* @param id change number.
* @see #id(int)
*/
ChangeApi id(String project, int id) throws RestApiException;
ChangeApi create(ChangeInput in) throws RestApiException;
ChangeInfo createAsInfo(ChangeInput in) throws RestApiException;
QueryRequest query();
QueryRequest query(String query);
abstract class QueryRequest {
private String query;
private int limit;
private int start;
private boolean isNoLimit;
private Set options = EnumSet.noneOf(ListChangesOption.class);
private ListMultimap pluginOptions = ArrayListMultimap.create();
public abstract List get() throws RestApiException;
public QueryRequest withQuery(String query) {
this.query = query;
return this;
}
public QueryRequest withLimit(int limit) {
this.limit = limit;
return this;
}
public QueryRequest withNoLimit() {
this.isNoLimit = true;
return this;
}
public QueryRequest withStart(int start) {
this.start = start;
return this;
}
/** Set an option on the request, appending to existing options. */
public QueryRequest withOption(ListChangesOption options) {
this.options.add(options);
return this;
}
/** Set options on the request, appending to existing options. */
public QueryRequest withOptions(ListChangesOption... options) {
this.options.addAll(Arrays.asList(options));
return this;
}
/** Set options on the request, replacing existing options. */
public QueryRequest withOptions(Set options) {
this.options = options;
return this;
}
/** Set a plugin option on the request, appending to existing options. */
public QueryRequest withPluginOption(String name, String value) {
this.pluginOptions.put(name, value);
return this;
}
/** Set a plugin option on the request, replacing existing options. */
public QueryRequest withPluginOptions(ListMultimap options) {
this.pluginOptions = ArrayListMultimap.create(options);
return this;
}
public String getQuery() {
return query;
}
public int getLimit() {
return limit;
}
public boolean getNoLimit() {
return isNoLimit;
}
public int getStart() {
return start;
}
public Set getOptions() {
return options;
}
public ListMultimap getPluginOptions() {
return pluginOptions;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder(getClass().getSimpleName()).append('{').append(query);
if (limit != 0) {
sb.append(", limit=").append(limit);
}
if (start != 0) {
sb.append(", start=").append(start);
}
if (!options.isEmpty()) {
sb.append("options=").append(options);
}
sb.append('}');
if (isNoLimit == true) {
sb.append(" --no-limit");
}
return sb.toString();
}
}
/**
* A default implementation which allows source compatibility when adding new methods to the
* interface.
*/
class NotImplemented implements Changes {
@Override
public ChangeApi id(int id) throws RestApiException {
throw new NotImplementedException();
}
@Override
public ChangeApi id(String triplet) throws RestApiException {
throw new NotImplementedException();
}
@Override
public ChangeApi id(String project, String branch, String id) throws RestApiException {
throw new NotImplementedException();
}
@Override
public ChangeApi id(String project, int id) throws RestApiException {
throw new NotImplementedException();
}
@Override
public ChangeApi create(ChangeInput in) throws RestApiException {
throw new NotImplementedException();
}
@Override
public ChangeInfo createAsInfo(ChangeInput in) throws RestApiException {
throw new NotImplementedException();
}
@Override
public QueryRequest query() {
throw new NotImplementedException();
}
@Override
public QueryRequest query(String query) {
throw new NotImplementedException();
}
}
}