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/*
* Copyright (C) 2023 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 android.health.connect.datatypes;
import static android.health.connect.datatypes.RecordTypeIdentifier.RECORD_TYPE_POWER;
import android.annotation.NonNull;
import android.health.connect.HealthConnectManager;
import android.health.connect.datatypes.units.Power;
import android.health.connect.datatypes.validation.ValidationUtils;
import android.health.connect.internal.datatypes.PowerRecordInternal;
import java.time.Instant;
import java.time.ZoneOffset;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
/** Captures the power generated by the user, e.g. during cycling or rowing with a power meter. */
@Identifier(recordIdentifier = RECORD_TYPE_POWER)
public final class PowerRecord extends IntervalRecord {
private final List<PowerRecordSample> mPowerRecordSamples;
/**
* @param metadata Metadata to be associated with the record. See {@link Metadata}.
* @param startTime Start time of this activity
* @param startZoneOffset Zone offset of the user when the activity started
* @param endTime End time of this activity
* @param endZoneOffset Zone offset of the user when the activity finished
* @param powerRecordSamples Samples of recorded PowerRecord
* @param skipValidation Boolean flag to skip validation of record values.
*/
private PowerRecord(
@NonNull Metadata metadata,
@NonNull Instant startTime,
@NonNull ZoneOffset startZoneOffset,
@NonNull Instant endTime,
@NonNull ZoneOffset endZoneOffset,
@NonNull List<PowerRecordSample> powerRecordSamples,
boolean skipValidation) {
super(metadata, startTime, startZoneOffset, endTime, endZoneOffset, skipValidation);
Objects.requireNonNull(powerRecordSamples);
if (!skipValidation) {
ValidationUtils.validateSampleStartAndEndTime(
startTime,
endTime,
powerRecordSamples.stream()
.map(PowerRecord.PowerRecordSample::getTime)
.toList());
}
mPowerRecordSamples = powerRecordSamples;
}
/**
* @return PowerRecord samples corresponding to this record
*/
@NonNull
public List<PowerRecordSample> getSamples() {
return mPowerRecordSamples;
}
/**
* Represents a single measurement of power. For example, using a power meter when exercising on
* a stationary bike.
*/
public static final class PowerRecordSample {
private final Power mPower;
private final Instant mTime;
/**
* PowerRecord sample for entries of {@link PowerRecord}
*
* @param power Power generated, in {@link Power} unit.
* @param time The point in time when the measurement was taken.
*/
public PowerRecordSample(@NonNull Power power, @NonNull Instant time) {
this(power, time, false);
}
/**
* PowerRecord sample for entries of {@link PowerRecord}
*
* @param power Power generated, in {@link Power} unit.
* @param time The point in time when the measurement was taken.
* @param skipValidation Boolean flag to skip validation of record values.
* @hide
*/
public PowerRecordSample(
@NonNull Power power, @NonNull Instant time, boolean skipValidation) {
Objects.requireNonNull(time);
Objects.requireNonNull(power);
if (!skipValidation) {
ValidationUtils.requireInRange(power.getInWatts(), 0.0, 100000.0, "power");
}
mTime = time;
mPower = power;
}
/**
* @return Power for this sample
*/
@NonNull
public Power getPower() {
return mPower;
}
/**
* @return time at which this sample was recorded
*/
@NonNull
public Instant getTime() {
return mTime;
}
/**
* Indicates whether some other object is "equal to" this one.
*
* @param object the reference object with which to compare.
* @return {@code true} if this object is the same as the obj
*/
@Override
public boolean equals(Object object) {
if (this == object) return true;
if (!(object instanceof PowerRecordSample)) return false;
PowerRecordSample that = (PowerRecordSample) object;
return Objects.equals(mPower, that.mPower)
&& (mTime.toEpochMilli() == that.mTime.toEpochMilli());
}
/**
* Returns a hash code value for the object.
*
* @return a hash code value for this object.
*/
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), getPower(), getTime());
}
}
/** Builder class for {@link PowerRecord} */
public static final class Builder {
private final Metadata mMetadata;
private final Instant mStartTime;
private final Instant mEndTime;
private final List<PowerRecordSample> mPowerRecordSamples;
private ZoneOffset mStartZoneOffset;
private ZoneOffset mEndZoneOffset;
/**
* @param metadata Metadata to be associated with the record. See {@link Metadata}.
* @param startTime Start time of this activity
* @param endTime End time of this activity
* @param powerRecordSamples Samples of recorded PowerRecord
*/
public Builder(
@NonNull Metadata metadata,
@NonNull Instant startTime,
@NonNull Instant endTime,
@NonNull List<PowerRecordSample> powerRecordSamples) {
Objects.requireNonNull(metadata);
Objects.requireNonNull(startTime);
Objects.requireNonNull(endTime);
Objects.requireNonNull(powerRecordSamples);
mMetadata = metadata;
mStartTime = startTime;
mEndTime = endTime;
mPowerRecordSamples = powerRecordSamples;
mStartZoneOffset = ZoneOffset.systemDefault().getRules().getOffset(startTime);
mEndZoneOffset = ZoneOffset.systemDefault().getRules().getOffset(endTime);
}
/** Sets the zone offset of the user when the activity started */
@NonNull
public Builder setStartZoneOffset(@NonNull ZoneOffset startZoneOffset) {
Objects.requireNonNull(startZoneOffset);
mStartZoneOffset = startZoneOffset;
return this;
}
/** Sets the zone offset of the user when the activity ended */
@NonNull
public Builder setEndZoneOffset(@NonNull ZoneOffset endZoneOffset) {
Objects.requireNonNull(endZoneOffset);
mEndZoneOffset = endZoneOffset;
return this;
}
/** Sets the start zone offset of this record to system default. */
@NonNull
public Builder clearStartZoneOffset() {
mStartZoneOffset = RecordUtils.getDefaultZoneOffset();
return this;
}
/** Sets the start zone offset of this record to system default. */
@NonNull
public Builder clearEndZoneOffset() {
mEndZoneOffset = RecordUtils.getDefaultZoneOffset();
return this;
}
/**
* @return Object of {@link PowerRecord} without validating the values.
* @hide
*/
@NonNull
public PowerRecord buildWithoutValidation() {
return new PowerRecord(
mMetadata,
mStartTime,
mStartZoneOffset,
mEndTime,
mEndZoneOffset,
mPowerRecordSamples,
true);
}
/**
* @return Object of {@link PowerRecord}
*/
@NonNull
public PowerRecord build() {
return new PowerRecord(
mMetadata,
mStartTime,
mStartZoneOffset,
mEndTime,
mEndZoneOffset,
mPowerRecordSamples,
false);
}
}
/** Metric identifier to get max power using aggregate APIs in {@link HealthConnectManager} */
@NonNull
public static final AggregationType<Power> POWER_MAX =
new AggregationType<>(
AggregationType.AggregationTypeIdentifier.POWER_RECORD_POWER_MAX,
AggregationType.MAX,
RECORD_TYPE_POWER,
Power.class);
/** Metric identifier to get min power using aggregate APIs in {@link HealthConnectManager} */
@NonNull
public static final AggregationType<Power> POWER_MIN =
new AggregationType<>(
AggregationType.AggregationTypeIdentifier.POWER_RECORD_POWER_MIN,
AggregationType.MIN,
RECORD_TYPE_POWER,
Power.class);
/** Metric identifier to get avg power using aggregate APIs in {@link HealthConnectManager} */
@NonNull
public static final AggregationType<Power> POWER_AVG =
new AggregationType<>(
AggregationType.AggregationTypeIdentifier.POWER_RECORD_POWER_AVG,
AggregationType.AVG,
RECORD_TYPE_POWER,
Power.class);
/**
* Indicates whether some other object is "equal to" this one.
*
* @param object the reference object with which to compare.
* @return {@code true} if this object is the same as the obj
*/
@Override
public boolean equals(@NonNull Object object) {
if (super.equals(object) && object instanceof PowerRecord) {
PowerRecord other = (PowerRecord) object;
if (getSamples().size() != other.getSamples().size()) return false;
for (int idx = 0; idx < getSamples().size(); idx++) {
if (!Objects.equals(
getSamples().get(idx).getPower(),
other.getSamples().get(idx).getPower())
|| getSamples().get(idx).getTime().toEpochMilli()
!= other.getSamples().get(idx).getTime().toEpochMilli()) {
return false;
}
}
return true;
}
return false;
}
/** Returns a hash code value for the object. */
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), getSamples());
}
/** @hide */
@Override
public PowerRecordInternal toRecordInternal() {
PowerRecordInternal recordInternal =
(PowerRecordInternal)
new PowerRecordInternal()
.setUuid(getMetadata().getId())
.setPackageName(getMetadata().getDataOrigin().getPackageName())
.setLastModifiedTime(
getMetadata().getLastModifiedTime().toEpochMilli())
.setClientRecordId(getMetadata().getClientRecordId())
.setClientRecordVersion(getMetadata().getClientRecordVersion())
.setManufacturer(getMetadata().getDevice().getManufacturer())
.setModel(getMetadata().getDevice().getModel())
.setDeviceType(getMetadata().getDevice().getType())
.setRecordingMethod(getMetadata().getRecordingMethod());
Set<PowerRecordInternal.PowerRecordSample> samples = new HashSet<>(getSamples().size());
for (PowerRecord.PowerRecordSample powerRecordSample : getSamples()) {
samples.add(
new PowerRecordInternal.PowerRecordSample(
powerRecordSample.getPower().getInWatts(),
powerRecordSample.getTime().toEpochMilli()));
}
recordInternal.setSamples(samples);
recordInternal.setStartTime(getStartTime().toEpochMilli());
recordInternal.setEndTime(getEndTime().toEpochMilli());
recordInternal.setStartZoneOffset(getStartZoneOffset().getTotalSeconds());
recordInternal.setEndZoneOffset(getEndZoneOffset().getTotalSeconds());
return recordInternal;
}
}