/*
* 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 com.facebook.presto.execution.buffer;
import com.facebook.presto.OutputBuffers.OutputBufferId;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.Objects;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
public class BufferInfo
{
private final OutputBufferId bufferId;
private final boolean finished;
private final int bufferedPages;
private final long pagesSent;
private final PageBufferInfo pageBufferInfo;
@JsonCreator
public BufferInfo(
@JsonProperty("bufferId") OutputBufferId bufferId,
@JsonProperty("finished") boolean finished,
@JsonProperty("bufferedPages") int bufferedPages,
@JsonProperty("pagesSent") long pagesSent,
@JsonProperty("pageBufferInfo") PageBufferInfo pageBufferInfo)
{
checkArgument(bufferedPages >= 0, "bufferedPages must be >= 0");
checkArgument(pagesSent >= 0, "pagesSent must be >= 0");
this.bufferId = requireNonNull(bufferId, "bufferId is null");
this.pagesSent = pagesSent;
this.pageBufferInfo = requireNonNull(pageBufferInfo, "pageBufferInfo is null");
this.finished = finished;
this.bufferedPages = bufferedPages;
}
@JsonProperty
public OutputBufferId getBufferId()
{
return bufferId;
}
@JsonProperty
public boolean isFinished()
{
return finished;
}
@JsonProperty
public int getBufferedPages()
{
return bufferedPages;
}
@JsonProperty
public long getPagesSent()
{
return pagesSent;
}
@JsonProperty
public PageBufferInfo getPageBufferInfo()
{
return pageBufferInfo;
}
@Override
public boolean equals(Object o)
{
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
BufferInfo that = (BufferInfo) o;
return Objects.equals(finished, that.finished) &&
Objects.equals(bufferedPages, that.bufferedPages) &&
Objects.equals(pagesSent, that.pagesSent) &&
Objects.equals(bufferId, that.bufferId) &&
Objects.equals(pageBufferInfo, that.pageBufferInfo);
}
@Override
public int hashCode()
{
return Objects.hash(bufferId, finished, bufferedPages, pagesSent, pageBufferInfo);
}
@Override
public String toString()
{
return toStringHelper(this)
.add("bufferId", bufferId)
.add("finished", finished)
.add("bufferedPages", bufferedPages)
.add("pagesSent", pagesSent)
.add("pageBufferInfo", pageBufferInfo)
.toString();
}
}