public SnapshotStorage createSnapshotStorage()

in modules/raft/src/integrationTest/java/org/apache/ignite/raft/server/snasphot/SnapshotInMemoryStorageFactory.java [51:193]
108 lines of code
2 McCabe index (conditional complexity)

    public SnapshotStorage createSnapshotStorage(String uri, RaftOptions raftOptions) {
        return new SnapshotStorage() {
            @Override
            public boolean setFilterBeforeCopyRemote() {
                return false;
            }

            @Override
            public SnapshotWriter create() {
                return new SnapshotWriter() {
                    @Override
                    public boolean saveMeta(SnapshotMeta meta) {
                        metaStorage.put(uri, meta);
                        return true;
                    }

                    @Override
                    public boolean addFile(String fileName, Message fileMeta) {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public boolean removeFile(String fileName) {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public void close(boolean keepDataOnError) throws IOException {
                        // No-op.
                    }

                    @Override
                    public void close() throws IOException {
                        // No-op.
                    }

                    @Override
                    public boolean init(Void opts) {
                        return true;
                    }

                    @Override
                    public void shutdown() {
                        // No-op.
                    }

                    @Override
                    public String getPath() {
                        return uri;
                    }

                    @Override
                    public Set<String> listFiles() {
                        // No files in the snapshot.
                        return Set.of();
                    }

                    @Override
                    public Message getFileMeta(String fileName) {
                        // No files in the snapshot.
                        return null;
                    }
                };
            }

            @Override
            public SnapshotReader open() {
                var snapMeta = metaStorage.get(uri);

                if (snapMeta == null) {
                    return null;
                }

                return new SnapshotReader() {
                    @Override
                    public SnapshotMeta load() {
                        return snapMeta;
                    }

                    @Override
                    public String generateURIForCopy() {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public void close() throws IOException {
                        // No-op.
                    }

                    @Override
                    public boolean init(Void opts) {
                        return true;
                    }

                    @Override
                    public void shutdown() {
                        // No-op.
                    }

                    @Override
                    public String getPath() {
                        return uri;
                    }

                    @Override
                    public Set<String> listFiles() {
                        // No files in the snapshot.
                        return Set.of();
                    }

                    @Override
                    public Message getFileMeta(String fileName) {
                        return null;
                    }
                };
            }

            @Override
            public SnapshotReader copyFrom(String uri, SnapshotCopierOptions opts) {
                throw new UnsupportedOperationException();
            }

            @Override
            public SnapshotCopier startToCopyFrom(String uri, SnapshotCopierOptions opts) {
                throw new UnsupportedOperationException();
            }

            @Override
            public void setSnapshotThrottle(SnapshotThrottle snapshotThrottle) {

            }

            @Override
            public boolean init(Void opts) {
                return true;
            }

            @Override
            public void shutdown() {
                // No-op.
            }
        };
    }