FileSponge/src/main/java/org/warp/filesponge/DataBlock.java

101 lines
2.4 KiB
Java

/*
* FileSponge
* Copyright (C) 2021 Andrea Cavalli
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.warp.filesponge;
import io.netty.buffer.ByteBuf;
import java.util.Objects;
public final class DataBlock {
public DataBlock(int offset, int length, ByteBuf data) {
try {
this.offset = offset;
this.length = length;
this.data = data.retain();
} finally {
data.release();
}
}
private final int offset;
private final int length;
private final ByteBuf data;
public ByteBuf getData() {
assert data.isReadable();
return data.retain();
}
public int getId() {
return offset / FileSponge.BLOCK_SIZE;
}
public int getOffset() {
return this.offset;
}
public int getLength() {
return this.length;
}
public boolean equals(final Object o) {
if (o == this) {
return true;
}
if (!(o instanceof DataBlock)) {
return false;
}
final DataBlock other = (DataBlock) o;
if (this.getOffset() != other.getOffset()) {
return false;
}
if (this.getLength() != other.getLength()) {
return false;
}
final Object this$data = this.getData();
final Object other$data = other.getData();
if (!Objects.equals(this$data, other$data)) {
return false;
}
return true;
}
public int hashCode() {
final int PRIME = 59;
int result = 1;
result = result * PRIME + this.getOffset();
result = result * PRIME + this.getLength();
final Object $data = this.getData();
result = result * PRIME + ($data == null ? 43 : $data.hashCode());
return result;
}
public String toString() {
return "DataBlock(offset=" + this.getOffset() + ", length=" + this.getLength() + ", data=" + this.getData() + ")";
}
public void retain() {
this.data.retain();
}
public void release() {
this.data.release();
}
}