/**
 * Copyright 2016 Yahoo Inc.
 *
 * 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.
 */
option java_package = "org.apache.bookkeeper.mledger.proto";
option optimize_for = SPEED;

message ManagedLedgerInfo {
    message LedgerInfo {
    	required int64 ledgerId = 1;
    	optional int64 entries  = 2;
    	optional int64 size     = 3;
    	optional int64 timestamp = 4;
    }
    
    repeated LedgerInfo ledgerInfo = 1;
}

message PositionInfo {
	required int64 ledgerId = 1;
	required int64 entryId  = 2;
    repeated MessageRange individualDeletedMessages = 3;
}

message NestedPositionInfo {
    required int64 ledgerId = 1;
    required int64 entryId  = 2;
}

message MessageRange {
    required NestedPositionInfo lowerEndpoint = 1;
    required NestedPositionInfo upperEndpoint = 2;
}

message ManagedCursorInfo {
	// If the ledger id is -1, then the mark-delete position is
	// the one from the (ledgerId, entryId) snapshot below
	required int64 cursorsLedgerId = 1;

	// Last snapshot of the mark-delete position
	optional int64 markDeleteLedgerId = 2;
	optional int64 markDeleteEntryId  = 3;
	repeated MessageRange individualDeletedMessages = 4;
}