mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-05-19 01:40:15 +02:00
60 lines
1.6 KiB
Java
60 lines
1.6 KiB
Java
/*
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* Copyright 2009 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package seaweedfs.client.btree;
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public abstract class Block {
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static final int LONG_SIZE = 8;
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static final int INT_SIZE = 4;
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static final int SHORT_SIZE = 2;
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private BlockPayload payload;
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protected Block(BlockPayload payload) {
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this.payload = payload;
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payload.setBlock(this);
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}
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public BlockPayload getPayload() {
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return payload;
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}
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protected void detach() {
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payload.setBlock(null);
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payload = null;
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}
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public abstract BlockPointer getPos();
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public abstract int getSize();
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public abstract RuntimeException blockCorruptedException();
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@Override
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public String toString() {
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return payload.getClass().getSimpleName() + " " + getPos();
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}
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public BlockPointer getNextPos() {
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return BlockPointer.pos(getPos().getPos() + getSize());
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}
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public abstract boolean hasPos();
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public abstract void setPos(BlockPointer pos);
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public abstract void setSize(int size);
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}
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