/*
 * Copyright 2019 Amazon.com, Inc. or its affiliates.
 * 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 software.amazon.kinesis.leases;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;

import lombok.Setter;
import lombok.experimental.Accessors;
import software.amazon.kinesis.common.HashKeyRangeForLease;
import software.amazon.kinesis.retrieval.kpl.ExtendedSequenceNumber;

@Setter
@Accessors(fluent = true)
public class LeaseBuilder {
    private String leaseKey;
    private String leaseOwner;
    private Long leaseCounter = 0L;
    private UUID concurrencyToken;
    private Long lastCounterIncrementNanos;
    private ExtendedSequenceNumber checkpoint;
    private ExtendedSequenceNumber pendingCheckpoint;
    private Long ownerSwitchesSinceCheckpoint = 0L;
    private Set<String> parentShardIds = new HashSet<>();
    private Set<String> childShardIds = new HashSet<>();
    private byte[] pendingCheckpointState;
    private HashKeyRangeForLease hashKeyRangeForLease;

    public Lease build() {
        return new Lease(
                leaseKey,
                leaseOwner,
                leaseCounter,
                concurrencyToken,
                lastCounterIncrementNanos,
                checkpoint,
                pendingCheckpoint,
                ownerSwitchesSinceCheckpoint,
                parentShardIds,
                childShardIds,
                pendingCheckpointState,
                hashKeyRangeForLease);
    }
}
