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/*
* Copyright 2017 LINE Corporation
*
* LINE Corporation 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:
*
* https://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.linecorp.centraldogma.client;
import static com.linecorp.centraldogma.internal.PathPatternUtil.toPathPattern;
import static java.util.Objects.requireNonNull;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import java.util.function.Function;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableList;
import com.linecorp.centraldogma.common.Author;
import com.linecorp.centraldogma.common.Change;
import com.linecorp.centraldogma.common.Commit;
import com.linecorp.centraldogma.common.Entry;
import com.linecorp.centraldogma.common.EntryNotFoundException;
import com.linecorp.centraldogma.common.EntryType;
import com.linecorp.centraldogma.common.Markup;
import com.linecorp.centraldogma.common.MergeQuery;
import com.linecorp.centraldogma.common.MergeSource;
import com.linecorp.centraldogma.common.MergedEntry;
import com.linecorp.centraldogma.common.PathPattern;
import com.linecorp.centraldogma.common.PushResult;
import com.linecorp.centraldogma.common.Query;
import com.linecorp.centraldogma.common.QueryType;
import com.linecorp.centraldogma.common.Revision;
import com.linecorp.centraldogma.common.RevisionNotFoundException;
/**
* Central Dogma client.
*/
public interface CentralDogma extends AutoCloseable {
/**
* Returns a new {@link CentralDogmaRepository} that is used to send a request to the specified
* {@code projectName} and {@code repositoryName}.
*/
CentralDogmaRepository forRepo(String projectName, String repositoryName);
/**
* Creates a project.
*/
CompletableFuture createProject(String projectName);
/**
* Removes a project. A removed project can be unremoved using {@link #unremoveProject(String)}.
*/
CompletableFuture removeProject(String projectName);
/**
* Purges a project that was removed before.
*/
CompletableFuture purgeProject(String projectName);
/**
* Unremoves a project.
*/
CompletableFuture unremoveProject(String projectName);
/**
* Retrieves the list of the projects.
*
* @return a {@link Set} that contains the names of the projects
*/
CompletableFuture> listProjects();
/**
* Retrieves the list of the removed projects, which can be {@linkplain #unremoveProject(String) unremoved}.
*
* @return a {@link Set} that contains the names of the removed projects
*/
CompletableFuture> listRemovedProjects();
/**
* Creates a repository.
*/
CompletableFuture createRepository(String projectName, String repositoryName);
/**
* Removes a repository. A removed repository can be unremoved using
* {@link #unremoveRepository(String, String)}.
*/
CompletableFuture removeRepository(String projectName, String repositoryName);
/**
* Purges a repository that was removed before.
*/
CompletableFuture purgeRepository(String projectName, String repositoryName);
/**
* Unremoves a repository.
*/
CompletableFuture unremoveRepository(String projectName, String repositoryName);
/**
* Retrieves the list of the repositories.
*
* @return a {@link Map} of repository name and {@link RepositoryInfo} pairs
*/
CompletableFuture> listRepositories(String projectName);
/**
* Retrieves the list of the removed repositories, which can be
* {@linkplain #unremoveRepository(String, String) unremoved}.
*
* @return a {@link Set} that contains the names of the removed repositories
*/
CompletableFuture> listRemovedRepositories(String projectName);
/**
* Converts the relative revision number to the absolute revision number. e.g. {@code -1 -> 3}
*
* @return the absolute {@link Revision}
*/
CompletableFuture normalizeRevision(String projectName, String repositoryName, Revision revision);
/**
* Retrieves the list of the files matched by the given path pattern.
*
* @return a {@link Map} of file path and type pairs
*
* @deprecated Use {@link FilesRequest#list(Revision)} via {@link CentralDogmaRepository#file(PathPattern)}.
*/
@Deprecated
default CompletableFuture> listFiles(String projectName, String repositoryName,
Revision revision, String pathPattern) {
return listFiles(projectName, repositoryName, revision, toPathPattern(pathPattern));
}
/**
* Retrieves the list of the files matched by the given {@link PathPattern}.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .files(pathPattern)
* .list(revision);
* }
*
* @return a {@link Map} of file path and type pairs
*/
CompletableFuture> listFiles(String projectName, String repositoryName,
Revision revision, PathPattern pathPattern);
/**
* Retrieves the file at the specified revision and path. This method is a shortcut of
* {@code getFile(projectName, repositoryName, revision, Query.identity(path)}.
* Consider using {@link #getFile(String, String, Revision, Query)} with {@link Query#ofText(String)} or
* {@link Query#ofJson(String)} if you already know the file type.
*
* @return the {@link Entry} at the given {@code path}
*
* @deprecated Use {@link FileRequest#get(Revision)} via {@link CentralDogmaRepository#file(String)}.
*/
@Deprecated
default CompletableFuture> getFile(String projectName, String repositoryName,
Revision revision, String path) {
@SuppressWarnings("unchecked")
final CompletableFuture> f = (CompletableFuture>) (CompletableFuture)
getFile(projectName, repositoryName, revision, Query.of(QueryType.IDENTITY, path));
return f;
}
/**
* Queries a file at the specified revision and path with the specified {@link Query}.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .file(query)
* .get(revision);
* }
*
* @return the {@link Entry} that is matched by the given {@link Query}
*/
CompletableFuture> getFile(String projectName, String repositoryName,
Revision revision, Query query);
/**
* Retrieves the files matched by the path pattern.
*
* @return a {@link Map} of file path and {@link Entry} pairs
*
* @deprecated Use {@link FilesRequest#get(Revision)} via {@link CentralDogmaRepository#file(PathPattern)}.
*/
@Deprecated
default CompletableFuture>> getFiles(String projectName, String repositoryName,
Revision revision, String pathPattern) {
return getFiles(projectName, repositoryName, revision, toPathPattern(pathPattern));
}
/**
* Retrieves the files matched by the {@link PathPattern}.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .file(pathPattern)
* .get(revision);
* }
*
* @return a {@link Map} of file path and {@link Entry} pairs
*/
CompletableFuture>> getFiles(String projectName, String repositoryName,
Revision revision, PathPattern pathPattern);
/**
* Retrieves the merged entry of the specified {@link MergeSource}s at the specified revision.
* Only JSON entry merge is currently supported. The JSON files are merged sequentially as specified in
* the {@code mergeSources}.
*
* Note that only {@link ObjectNode} is recursively merged traversing the children. Other node types are
* simply replaced.
*
* @return the {@link MergedEntry} which contains the result of the merge
*
* @deprecated Use {@link MergeRequest#get(Revision)} via
* {@link CentralDogmaRepository#merge(MergeSource...)}.
*/
@Deprecated
default CompletableFuture> mergeFiles(
String projectName, String repositoryName,
Revision revision, MergeSource... mergeSources) {
return mergeFiles(projectName, repositoryName, revision,
ImmutableList.copyOf(requireNonNull(mergeSources, "mergeSources")));
}
/**
* Retrieves the merged entry of the specified {@link MergeSource}s at the specified revision.
* Only JSON entry merge is currently supported. The JSON files are merged sequentially as specified in
* the {@code mergeSources}.
*
* Note that only {@link ObjectNode} is recursively merged traversing the children. Other node types are
* simply replaced.
*
* @return the {@link MergedEntry} which contains the result of the merge
*
* @deprecated Use {@link MergeRequest#get(Revision)} via
* {@link CentralDogmaRepository#merge(Iterable)}.
*/
@Deprecated
default CompletableFuture> mergeFiles(
String projectName, String repositoryName,
Revision revision, Iterable mergeSources) {
@SuppressWarnings("unchecked")
final CompletableFuture> future =
(CompletableFuture>) (CompletableFuture) mergeFiles(
projectName, repositoryName, revision, MergeQuery.ofJson(mergeSources));
return future;
}
/**
* Retrieves the merged entry of the specified {@link MergeQuery} at the specified revision.
* Only JSON entry merge is currently supported. The JSON files are merged sequentially as specified in
* the {@link MergeQuery}.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .merge(mergeQuery)
* .get(revision);
* }
*
* Note that only {@link ObjectNode} is recursively merged traversing the children. Other node types are
* simply replaced.
*
* @return the {@link MergedEntry} which contains the result of the merge
*/
CompletableFuture> mergeFiles(String projectName, String repositoryName,
Revision revision, MergeQuery mergeQuery);
/**
* Retrieves the history of the repository between two {@link Revision}s. This method is a shortcut of
* {@code getHistory(projectName, repositoryName, from, to, "/**")}. Note that this method does not
* retrieve the diffs but only metadata about the changes.
* Use {@link #getDiff(String, String, Revision, Revision, Query)} or
* {@link #getDiff(String, String, Revision, Revision, PathPattern)} to retrieve the diffs.
*
* @return a {@link List} that contains the {@link Commit}s of the specified repository
*
* @deprecated Use {@link HistoryRequest#get(Revision, Revision)} via
* {@link CentralDogmaRepository#history()}.
*/
@Deprecated
default CompletableFuture> getHistory(
String projectName, String repositoryName, Revision from, Revision to) {
return getHistory(projectName, repositoryName, from, to, "/**");
}
/**
* Retrieves the history of the files matched by the given path pattern between two {@link Revision}s.
*
* Note that this method does not retrieve the diffs but only metadata about the changes.
* Use {@link #getDiff(String, String, Revision, Revision, Query)} or
* {@link #getDiff(String, String, Revision, Revision, PathPattern)} to retrieve the diffs.
*
* @return a {@link List} that contains the {@link Commit}s of the files matched by the given
* {@link PathPattern} in the specified repository
*
* @deprecated Use {@link HistoryRequest#get(Revision, Revision)} via
* {@link CentralDogmaRepository#history(PathPattern)}.
*/
@Deprecated
default CompletableFuture> getHistory(
String projectName, String repositoryName, Revision from, Revision to, String pathPattern) {
return getHistory(projectName, repositoryName, from, to, toPathPattern(pathPattern), 0);
}
/**
* Retrieves the history of the files matched by the given {@link PathPattern} between
* two {@link Revision}s.
*
* Note that this method does not retrieve the diffs but only metadata about the changes.
* Use {@link DiffRequest} to retrieve the diffs.
*
* @return a {@link List} that contains the {@link Commit}s of the files matched by the given
* {@link PathPattern} in the specified repository
*
* @deprecated Use {@link HistoryRequest#get(Revision, Revision)} via
* {@link CentralDogmaRepository#history(PathPattern)}.
*/
@Deprecated
default CompletableFuture> getHistory(
String projectName, String repositoryName, Revision from, Revision to,
PathPattern pathPattern) {
return getHistory(projectName, repositoryName, from, to, pathPattern, 0);
}
/**
* Retrieves the history of the files matched by the given {@link PathPattern} between
* two {@link Revision}s.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .history(pathPattern)
* .maxCommits(maxCommits)
* .get(from, to);
* }
*
* Note that this method does not retrieve the diffs but only metadata about the changes.
* Use {@link DiffRequest} to retrieve the diffs.
*
* @return a {@link List} that contains the {@link Commit}s of the files matched by the given
* {@link PathPattern} in the specified repository
*/
CompletableFuture> getHistory(
String projectName, String repositoryName, Revision from, Revision to,
PathPattern pathPattern, int maxCommits);
/**
* Returns the diff of a file between two {@link Revision}s. This method is a shortcut of
* {@code getDiff(projectName, repositoryName, from, to, Query.identity(path))}.
* Consider using {@link #getDiff(String, String, Revision, Revision, Query)} with
* {@link Query#ofText(String)} or {@link Query#ofJson(String)} if you already know the file type.
*
* @return the {@link Change} that contains the diff of the given {@code path} between the specified
* two revisions
*
* @deprecated Use {@link DiffRequest#get(Revision, Revision)} via
* {@link CentralDogmaRepository#diff(String)}.
*/
@Deprecated
default CompletableFuture> getDiff(String projectName, String repositoryName,
Revision from, Revision to, String path) {
@SuppressWarnings({ "unchecked", "rawtypes" })
final CompletableFuture> diff = (CompletableFuture>) (CompletableFuture)
getDiff(projectName, repositoryName, from, to, Query.of(QueryType.IDENTITY, path));
return diff;
}
/**
* Queries a file at two different revisions and returns the diff of the two {@link Query} results.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .diff(query)
* .get(from, to);
* }
*
* @return the {@link Change} that contains the diff of the file matched by the given {@code query}
* between the specified two revisions
*/
CompletableFuture> getDiff(String projectName, String repositoryName,
Revision from, Revision to, Query query);
/**
* Retrieves the diffs of the files matched by the given {@link PathPattern} between two {@link Revision}s.
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .diff(pathPattern)
* .get(from, to);
* }
*
* @return a {@link List} of the {@link Change}s that contain the diffs between the files matched by the
* given {@link PathPattern} between two revisions.
*/
CompletableFuture>> getDiff(String projectName, String repositoryName,
Revision from, Revision to, PathPattern pathPattern);
/**
* Retrieves the diffs of the files matched by the given path pattern between two {@link Revision}s.
*
* @return a {@link List} of the {@link Change}s that contain the diffs between the files matched by the
* given {@link PathPattern} between two revisions.
*
* @deprecated Use {@link DiffRequest#get(Revision, Revision)} via
* {@link CentralDogmaRepository#diff(PathPattern)}.
*/
@Deprecated
default CompletableFuture>> getDiffs(String projectName, String repositoryName,
Revision from, Revision to, String pathPattern) {
return getDiff(projectName, repositoryName, from, to, toPathPattern(pathPattern));
}
/**
* Retrieves the preview diffs, which are hypothetical diffs generated if the specified
* {@link Change}s were successfully pushed to the specified repository. This operation is useful for
* pre-checking if the specified {@link Change}s will be applied as expected without any conflicts.
*
* @return the diffs which would be committed if the specified {@link Change}s were pushed successfully
*
* @deprecated Use {@link PreviewDiffRequest#get(Revision)} via
* {@link CentralDogmaRepository#diff(Change[])}.
*/
@Deprecated
default CompletableFuture>> getPreviewDiffs(String projectName, String repositoryName,
Revision baseRevision, Change... changes) {
return getPreviewDiffs(projectName, repositoryName, baseRevision, ImmutableList.copyOf(changes));
}
/**
* Retrieves the preview diffs, which are hypothetical diffs generated if the specified
* {@link Change}s were successfully pushed to the specified repository. This operation is useful for
* pre-checking if the specified {@link Change}s will be applied as expected without any conflicts.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .diff(changes)
* .get(baseRevision);
* }
*
* @return the diffs which would be committed if the specified {@link Change}s were pushed successfully
*/
CompletableFuture>> getPreviewDiffs(String projectName, String repositoryName,
Revision baseRevision,
Iterable> changes);
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Change...)}.
*/
@Deprecated
default CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
String summary, Change... changes) {
return push(projectName, repositoryName, baseRevision, summary,
ImmutableList.copyOf(requireNonNull(changes, "changes")));
}
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Iterable)}.
*/
@Deprecated
default CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
String summary, Iterable> changes) {
return push(projectName, repositoryName, baseRevision, summary, "", Markup.PLAINTEXT, changes);
}
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Change...)}.
*/
@Deprecated
default CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
String summary, String detail, Markup markup,
Change... changes) {
return push(projectName, repositoryName, baseRevision, summary, detail, markup,
ImmutableList.copyOf(requireNonNull(changes, "changes")));
}
/**
* Pushes the specified {@link Change}s to the repository.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .commit(summary, changes)
* .detail(detail, markup)
* .push(baseRevision);
* }
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*/
CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
String summary, String detail, Markup markup,
Iterable> changes);
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Change...)}.
*/
@Deprecated
default CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
Author author, String summary, Change... changes) {
return push(projectName, repositoryName, baseRevision, author, summary, ImmutableList.copyOf(changes));
}
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Iterable)}.
*/
@Deprecated
default CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
Author author, String summary,
Iterable> changes) {
return push(projectName, repositoryName, baseRevision, author, summary, "", Markup.PLAINTEXT, changes);
}
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Change...)}.
*/
@Deprecated
default CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
Author author, String summary, String detail, Markup markup,
Change... changes) {
return push(projectName, repositoryName, baseRevision, author, summary, detail, markup,
ImmutableList.copyOf(changes));
}
/**
* Pushes the specified {@link Change}s to the repository.
*
* @return the {@link PushResult} which tells the {@link Revision} and timestamp of the new {@link Commit}
*
* @deprecated Use {@link CommitRequest#push(Revision)} via
* {@link CentralDogmaRepository#commit(String, Iterable)}.
*/
@Deprecated
CompletableFuture push(String projectName, String repositoryName, Revision baseRevision,
Author author, String summary, String detail, Markup markup,
Iterable> changes);
/**
* Waits for the files matched by the specified {@code pathPattern} to be changed since the specified
* {@code lastKnownRevision}. If no changes were made within 1 minute, the returned
* {@link CompletableFuture} will be completed with {@code null}.
*
* @return the latest known {@link Revision} which contains the changes for the matched files.
* {@code null} if the files were not changed for 1 minute since the invocation of this method.
* Even before the timeout, the watch may return null earlier due to issues such as server restart.
*
* @deprecated Use {@link WatchFilesRequest#start(Revision)} via
* {@link CentralDogmaRepository#watch(PathPattern)}.
*/
@Deprecated
default CompletableFuture watchRepository(String projectName, String repositoryName,
Revision lastKnownRevision, String pathPattern) {
return watchRepository(projectName, repositoryName, lastKnownRevision, toPathPattern(pathPattern),
WatchConstants.DEFAULT_WATCH_TIMEOUT_MILLIS,
WatchConstants.DEFAULT_WATCH_ERROR_ON_ENTRY_NOT_FOUND);
}
/**
* Waits for the files matched by the specified {@code pathPattern} to be changed since the specified
* {@code lastKnownRevision}. If no changes were made within the specified {@code timeoutMillis}, the
* returned {@link CompletableFuture} will be completed with {@code null}. It is recommended to specify
* the largest {@code timeoutMillis} allowed by the server.
*
* @return the latest known {@link Revision} which contains the changes for the matched files.
* {@code null} if the files were not changed for {@code timeoutMillis} milliseconds
* since the invocation of this method. Even before the timeout, the watch may return null
* earlier due to issues such as server restart.
*
* @deprecated Use {@link CentralDogmaRepository#watch(PathPattern)} and
* {@link WatchFilesRequest#start(Revision)}.
*/
@Deprecated
default CompletableFuture watchRepository(String projectName, String repositoryName,
Revision lastKnownRevision, String pathPattern,
long timeoutMillis) {
return watchRepository(projectName, repositoryName, lastKnownRevision, toPathPattern(pathPattern),
timeoutMillis, WatchConstants.DEFAULT_WATCH_ERROR_ON_ENTRY_NOT_FOUND);
}
/**
* Waits for the files matched by the specified {@link PathPattern} to be changed since the specified
* {@code lastKnownRevision}. If no changes were made within the specified {@code timeoutMillis}, the
* returned {@link CompletableFuture} will be completed with {@code null}. It is recommended to specify
* the largest {@code timeoutMillis} allowed by the server.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .watch(pathPattern)
* .timeoutMillis(timeoutMillis)
* .errorOnEntryNotFound(errorOnEntryNotFound)
* .start(lastKnownRevision);
* }
*
* @return the latest known {@link Revision} which contains the changes for the matched files.
* {@code null} if the files were not changed for {@code timeoutMillis} milliseconds
* since the invocation of this method. Even before the timeout, the watch may return null
* earlier due to issues such as server restart. {@link EntryNotFoundException} is raised
* if the target does not exist.
*/
CompletableFuture watchRepository(String projectName, String repositoryName,
Revision lastKnownRevision, PathPattern pathPattern,
long timeoutMillis, boolean errorOnEntryNotFound);
/**
* Waits for the file matched by the specified {@link Query} to be changed since the specified
* {@code lastKnownRevision}. If no changes were made within 1 minute, the returned
* {@link CompletableFuture} will be completed with {@code null}.
*
* @return the {@link Entry} which contains the latest known {@link Query} result.
* {@code null} if the file was not changed for 1 minute since the invocation of this method.
* Even before the timeout, the watch may return null earlier due to issues such as server restart.
*
* @deprecated Use {@link WatchRequest#start(Revision)} via {@link CentralDogmaRepository#watch(Query)}.
*/
@Deprecated
default CompletableFuture> watchFile(String projectName, String repositoryName,
Revision lastKnownRevision, Query query) {
return watchFile(projectName, repositoryName, lastKnownRevision, query,
WatchConstants.DEFAULT_WATCH_TIMEOUT_MILLIS,
WatchConstants.DEFAULT_WATCH_ERROR_ON_ENTRY_NOT_FOUND);
}
/**
* Waits for the file matched by the specified {@link Query} to be changed since the specified
* {@code lastKnownRevision}. If no changes were made within the specified {@code timeoutMillis}, the
* returned {@link CompletableFuture} will be completed with {@code null}. It is recommended to specify
* the largest {@code timeoutMillis} allowed by the server.
*
* @return the {@link Entry} which contains the latest known {@link Query} result.
* {@code null} if the file was not changed for {@code timeoutMillis} milliseconds
* since the invocation of this method. Even before the timeout, the watch may return null
* earlier due to issues such as server restart.
*
* @deprecated Use {@link WatchRequest#start(Revision)} via {@link CentralDogmaRepository#watch(Query)}.
*/
@Deprecated
default CompletableFuture> watchFile(String projectName, String repositoryName,
Revision lastKnownRevision, Query query,
long timeoutMillis) {
return watchFile(projectName, repositoryName, lastKnownRevision, query,
timeoutMillis, WatchConstants.DEFAULT_WATCH_ERROR_ON_ENTRY_NOT_FOUND);
}
/**
* Waits for the file matched by the specified {@link Query} to be changed since the specified
* {@code lastKnownRevision}. If the file does not exist and {@code errorOnEntryNotFound} is {@code true},
* the returned {@link CompletableFuture} will be completed exceptionally with
* {@link EntryNotFoundException}. If no changes were made within the specified {@code timeoutMillis},
* the returned {@link CompletableFuture} will be completed with {@code null}.
* It is recommended to specify the largest {@code timeoutMillis} allowed by the server.
* This method is equivalent to calling:
* {@code
* CentralDogma dogma = ...
* dogma.forRepo(projectName, repositoryName)
* .watch(query)
* .timeoutMillis(timeoutMillis)
* .errorOnEntryNotFound(errorOnEntryNotFound)
* .start(lastKnownRevision);
* }
*
* @return the {@link Entry} which contains the latest known {@link Query} result.
* {@code null} if the file was not changed for {@code timeoutMillis} milliseconds
* since the invocation of this method. Even before the timeout, the watch may return null
* earlier due to issues such as server restart.
* {@link EntryNotFoundException} is raised if the target does not exist.
*/
CompletableFuture> watchFile(String projectName, String repositoryName,
Revision lastKnownRevision, Query query,
long timeoutMillis, boolean errorOnEntryNotFound);
/**
* Returns a {@link Watcher} which notifies its listeners when the result of the
* given {@link Query} becomes available or changes. e.g:
* {@code
* Watcher watcher = client.fileWatcher("foo", "bar", Query.ofJson("/baz.json"));
*
* watcher.watch((revision, content) -> {
* assert content instanceof JsonNode;
* ...
* });}
*
* @deprecated Use {@link WatcherRequest#start()} via {@link CentralDogmaRepository#watcher(Query)}.
*/
@Deprecated
default Watcher fileWatcher(String projectName, String repositoryName, Query query) {
return forRepo(projectName, repositoryName).watcher(query).start();
}
/**
* Returns a {@link Watcher} which notifies its listeners after applying the specified
* {@link Function} when the result of the given {@link Query} becomes available or changes. e.g:
* {@code
* Watcher watcher = client.fileWatcher(
* "foo", "bar", Query.ofJson("/baz.json"),
* content -> new ObjectMapper().treeToValue(content, MyType.class));
*
* watcher.watch((revision, myValue) -> {
* assert myValue instanceof MyType;
* ...
* });}
*
* Note that {@link Function} by default is executed by a blocking task executor so that you can
* safely call a blocking operation.
*
* @deprecated Use {@link WatcherRequest#start()} via {@link CentralDogmaRepository#watcher(Query)}.
*/
@Deprecated
Watcher fileWatcher(String projectName, String repositoryName,
Query query, Function function);
/**
* Returns a {@link Watcher} which notifies its listeners after applying the specified
* {@link Function} when the result of the given {@link Query} becomes available or changes. e.g:
* {@code
* Watcher watcher = client.fileWatcher(
* "foo", "bar", Query.ofJson("/baz.json"),
* content -> new ObjectMapper().treeToValue(content, MyType.class), executor);
*
* watcher.watch((revision, myValue) -> {
* assert myValue instanceof MyType;
* ...
* });}
*
* @deprecated Use {@link WatcherRequest#start()} via {@link CentralDogmaRepository#watcher(Query)}.
*/
@Deprecated
Watcher fileWatcher(String projectName, String repositoryName, Query query,
Function function, Executor executor);
/**
* Returns a {@link Watcher} which notifies its listeners when the specified repository has a new commit
* that contains the changes for the files matched by the given {@code pathPattern}. e.g:
* {@code
* Watcher watcher = client.repositoryWatcher("foo", "bar", "/*.json");
*
* watcher.watch(revision -> {
* ...
* });}
*
* @deprecated Use {@link WatcherRequest#start()} via {@link CentralDogmaRepository#watcher(PathPattern)}.
*/
@Deprecated
default Watcher repositoryWatcher(String projectName, String repositoryName, String pathPattern) {
return forRepo(projectName, repositoryName).watcher(toPathPattern(pathPattern)).start();
}
/**
* Returns a {@link Watcher} which notifies its listeners when the specified repository has a new commit
* that contains the changes for the files matched by the given {@code pathPattern}. e.g:
* {@code
* Watcher> watcher = client.repositoryWatcher(
* "foo", "bar", "/*.json", revision -> client.getFiles("foo", "bar", revision, "/*.json").join());
*
* watcher.watch((revision, contents) -> {
* ...
* });}
* {@link Function} by default is executed by a blocking task executor so that you can safely call a
* blocking operation.
*
* Note that you may get {@link RevisionNotFoundException} during the {@code getFiles()} call and
* may have to retry in the above example due to
* a known issue.
*
* @deprecated Use {@link WatcherRequest#start()} via {@link CentralDogmaRepository#watcher(PathPattern)}.
*/
@Deprecated
Watcher repositoryWatcher(String projectName, String repositoryName, String pathPattern,
Function function);
/**
* Returns a {@link Watcher} which notifies its listeners when the specified repository has a new commit
* that contains the changes for the files matched by the given {@code pathPattern}. e.g:
* {@code
* Watcher> watcher = client.repositoryWatcher(
* "foo", "bar", "/*.json",
* revision -> client.getFiles("foo", "bar", revision, "/*.json").join(), executor);
*
* watcher.watch((revision, contents) -> {
* ...
* });}
* Note that you may get {@link RevisionNotFoundException} during the {@code getFiles()} call and
* may have to retry in the above example due to
* a known issue.
*
* @param executor the {@link Executor} that executes the {@link Function}
*
* @deprecated Use {@link WatcherRequest#start()} via {@link CentralDogmaRepository#watcher(PathPattern)}.
*/
@Deprecated
Watcher repositoryWatcher(String projectName, String repositoryName, String pathPattern,
Function function, Executor executor);
/**
* Returns a {@link CompletableFuture} which is completed when the initial endpoints of this
* client are ready. It is recommended to wait for the initial endpoints in order to send the first request
* without additional delay.
*/
CompletableFuture whenEndpointReady();
/**
* Closes underlying resources that may be used when making requests to the server such as
* health checking or dns queries.
*/
@Override
void close() throws Exception;
}