64 lines
1.3 KiB
Java
64 lines
1.3 KiB
Java
package org.lionsoul.ip2region;
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/**
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* database configuration class
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*
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* @author chenxin<chenxin619315@gmail.com>
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*/
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public class DbConfig
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{
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/**
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* total header data block size
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*/
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private int totalHeaderSize;
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/**
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* max index data block size
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* u should always choice the fastest read block size
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*/
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private int indexBlockSize;
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/**
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* construct method
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*
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* @param totalHeaderSize
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* @throws DbMakerConfigException
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*/
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public DbConfig( int totalHeaderSize ) throws DbMakerConfigException
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{
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if ( (totalHeaderSize % 8) != 0 ) {
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throw new DbMakerConfigException("totalHeaderSize must be times of 8");
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}
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this.totalHeaderSize = totalHeaderSize;
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this.indexBlockSize = 8192; //4 * 2048
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}
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public DbConfig() throws DbMakerConfigException
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{
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this(8 * 2048);
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}
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public int getTotalHeaderSize()
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{
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return totalHeaderSize;
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}
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public DbConfig setTotalHeaderSize(int totalHeaderSize)
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{
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this.totalHeaderSize = totalHeaderSize;
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return this;
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}
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public int getIndexBlockSize()
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{
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return indexBlockSize;
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}
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public DbConfig setIndexBlockSize(int dataBlockSize)
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{
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this.indexBlockSize = dataBlockSize;
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return this;
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}
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}
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