io.kazuki.v0.store.journal.PartitionInfoImpl.java Source code

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Here is the source code for io.kazuki.v0.store.journal.PartitionInfoImpl.java

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/**
 * Copyright 2014 Sunny Gleason and original author or authors
 *
 * 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 io.kazuki.v0.store.journal;

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;

import com.fasterxml.jackson.annotation.JsonProperty;

public class PartitionInfoImpl implements PartitionInfo {
    private final String partitionId;
    private final long minId;
    private AtomicLong maxId;
    private AtomicLong size;
    private AtomicBoolean closed;

    public PartitionInfoImpl(@JsonProperty("partitionId") String partitionId, @JsonProperty("minId") long minId,
            @JsonProperty("maxId") long maxId, @JsonProperty("size") long size,
            @JsonProperty("closed") boolean closed) {
        this.partitionId = partitionId;
        this.minId = minId;
        this.maxId = new AtomicLong(maxId);
        this.size = new AtomicLong(size);
        this.closed = new AtomicBoolean(closed);
    }

    @Override
    public long getMaxId() {
        return this.maxId.get();
    }

    @Override
    public long getMinId() {
        return this.minId;
    }

    @Override
    public String getPartitionId() {
        return this.partitionId;
    }

    @Override
    public long getSize() {
        return this.size.get();
    }

    @Override
    public boolean isClosed() {
        return this.closed.get();
    }

    public synchronized void setSize(long theSize) {
        this.size.set(theSize);
    }

    public synchronized void setClosed(boolean theClosed) {
        this.closed.set(theClosed);
    }

    public synchronized void setMaxId(long theMaxId) {
        this.maxId.set(theMaxId);
    }

    public PartitionInfo snapshot() {
        return new PartitionInfoSnapshot(this.partitionId, this.minId, this.maxId.get(), this.size.get(),
                this.closed.get());
    }
}