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/*
* Copyright (C) 2018 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.car.storagemonitoring;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.JsonWriter;
import java.io.IOException;
import java.util.Objects;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Information about how many bytes were written to a filesystem during its lifetime.
*
* @hide
*/
@SystemApi
public class LifetimeWriteInfo implements Parcelable {
public static final Creator<IoStats> CREATOR = new Creator<IoStats>() {
@Override
public IoStats createFromParcel(Parcel in) {
return new IoStats(in);
}
@Override
public IoStats[] newArray(int size) {
return new IoStats[size];
}
};
public final String partition;
public final String fstype;
public final long writtenBytes;
public LifetimeWriteInfo(String partition, String fstype, long writtenBytes) {
this.partition = Objects.requireNonNull(partition);
this.fstype = Objects.requireNonNull(fstype);
if (writtenBytes < 0) {
throw new IllegalArgumentException("writtenBytes must be non-negative");
}
this.writtenBytes = writtenBytes;
}
public LifetimeWriteInfo(Parcel in) {
this.partition = in.readString();
this.fstype = in.readString();
this.writtenBytes = in.readLong();
}
public LifetimeWriteInfo(JSONObject in) throws JSONException {
partition = in.getString("partition");
fstype = in.getString("fstype");
writtenBytes = in.getLong("writtenBytes");
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(partition);
dest.writeString(fstype);
dest.writeLong(writtenBytes);
}
public void writeToJson(JsonWriter jsonWriter) throws IOException {
jsonWriter.beginObject();
jsonWriter.name("partition").value(partition);
jsonWriter.name("fstype").value(fstype);
jsonWriter.name("writtenBytes").value(writtenBytes);
jsonWriter.endObject();
}
@Override
public int describeContents() {
return 0;
}
@Override
public boolean equals(Object other) {
if (other instanceof LifetimeWriteInfo) {
LifetimeWriteInfo lifetime = (LifetimeWriteInfo)other;
return partition.equals(lifetime.partition) &&
fstype.equals(lifetime.fstype) &&
writtenBytes == lifetime.writtenBytes;
}
return false;
}
@Override
public String toString() {
return String.format("for partition %s of type %s, %d bytes were written",
partition, fstype, writtenBytes);
}
}
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