/*
* Copyright 2022 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 androidx.health.connect.client.records.metadata
import androidx.health.connect.client.records.Record
import java.time.Instant
/** Set of shared metadata fields for [Record]. */
@SuppressWarnings("NewApi") // Temporary until we can enable java8 desugaring effectively.
public class Metadata(
/**
* Unique identifier of this data, assigned by the Android Health Platform at insertion time.
* When [Record] is created before insertion, this takes a sentinel value, any assigned value
* will be ignored.
*/
public val id: String = EMPTY_ID,
/**
* Where the data comes from, such as application information originally generated this data.
* When [Record] is created before insertion, this contains a sentinel value, any assigned value
* will be ignored. After insertion, this will be populated with inserted application.
*/
public val dataOrigin: DataOrigin = DataOrigin(""),
/**
* Automatically populated to when data was last modified (or originally created). When [Record]
* is created before inserted, this contains a sentinel value, any assigned value will be
* ignored.
*/
public val lastModifiedTime: Instant = Instant.EPOCH,
/**
* Optional client supplied record unique data identifier associated with the data.
*
* There is guaranteed a single entry for any type of data with same client provided identifier
* for a given client. Any new insertions with the same client provided identifier will either
* replace or be ignored depending on associated [clientRecordVersion].
*
* @see clientRecordVersion
*/
public val clientRecordId: String? = null,
/**
* Optional client supplied version associated with the data.
*
* This determines conflict resolution outcome when there are multiple insertions of the same
* [clientRecordId]. Data with the highest [clientRecordVersion] takes precedence.
* [clientRecordVersion] starts with 0.
*
* @see clientRecordId
*/
public val clientRecordVersion: Long = 0,
/** Optional client supplied device information associated with the data. */
public val device: Device? = null,
) {
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is Metadata) return false
if (id != other.id) return false
if (dataOrigin != other.dataOrigin) return false
if (lastModifiedTime != other.lastModifiedTime) return false
if (clientRecordId != other.clientRecordId) return false
if (clientRecordVersion != other.clientRecordVersion) return false
if (device != other.device) return false
return true
}
override fun hashCode(): Int {
var result = id.hashCode()
result = 31 * result + dataOrigin.hashCode()
result = 31 * result + lastModifiedTime.hashCode()
result = 31 * result + (clientRecordId?.hashCode() ?: 0)
result = 31 * result + clientRecordVersion.hashCode()
result = 31 * result + (device?.hashCode() ?: 0)
return result
}
internal companion object {
internal const val EMPTY_ID: String = ""
/** A default instance of metadata with no fields initialised. */
@JvmField internal val EMPTY = Metadata()
}
}