97 lines
2.5 KiB
Java
97 lines
2.5 KiB
Java
/*
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* FileSponge
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* Copyright (C) 2021 Andrea Cavalli
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package org.warp.filesponge;
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import static java.lang.Math.toIntExact;
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import it.cavallium.buffer.Buf;
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import java.nio.Buffer;
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import java.util.Objects;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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public final class DataBlock {
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public static DataBlock EMPTY = new DataBlock(-1, -1, null);
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public static DataBlock of(long offset, int length, Buf data) {
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return new DataBlock(offset, length, data);
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}
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private DataBlock(long offset, int length, Buf data) {
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this.offset = offset;
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this.length = length;
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this.data = data;
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}
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private final long offset;
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private final int length;
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private final Buf data;
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public Buf getData() {
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return data;
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}
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public int getId() {
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return toIntExact(offset / FileSponge.BLOCK_SIZE);
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}
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public long getOffset() {
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return this.offset;
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}
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public int getLength() {
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return this.length;
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}
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public boolean equals(final Object o) {
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if (o == this) {
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return true;
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}
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if (!(o instanceof final DataBlock other)) {
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return false;
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}
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if (this.getOffset() != other.getOffset()) {
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return false;
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}
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if (this.getLength() != other.getLength()) {
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return false;
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}
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final Object this$data = this.getData();
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final Object other$data = other.getData();
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return Objects.equals(this$data, other$data);
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}
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public int hashCode() {
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final int PRIME = 59;
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int result = 1;
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long offset = this.getOffset();
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result = result * PRIME + (int) (offset ^ (offset >>> 32));
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result = result * PRIME + this.getLength();
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final Object $data = this.getData();
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result = result * PRIME + ($data == null ? 43 : $data.hashCode());
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return result;
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}
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public String toString() {
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return "DataBlock(offset=" + this.getOffset() + ", length=" + this.getLength() + ", data=" + this.getData() + ")";
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}
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}
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