ShardUtils

Utility methods for distributing a repository across several disks.

Methods

setCurrentShard

Description:

Method	Return values	Description
setCurrentShard(Long shardId)	void	Set the current shard.

Example:

package com.openkm;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            Long shardId = new Long(1);
            shardUtils.setCurrentShard(shardId);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

createShardDirs

Description:

Method	Return values	Description
createShardDirs(Long shardId)	void	Create a new shard folder.

Example:

package com.openkm;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            Long shardId = new Long(1);
            shardUtils.createShardDirs(shardId);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

changeNodeShard

Description:

Method	Return values	Description
changeNodeShard(String uuid, Long newShard)	void	Change the shard of a node.

Example:

package com.openkm;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            Long newShardId = new Long(2);
            shardUtils.changeNodeShard("e2391b01-ce10-42c7-94a9-b0d6b394048e", newShardId);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

getShardIds

Description:

Method	Return values	Description
getShardIds()	List	Get the shard IDs.

Example:

package com.openkm;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            for (long id : shardUtils.getShardIds()) {
                System.out.println(id);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

getShardSize

Description:

Method	Return values	Description
getShardSize(Long shardId)	Long	Get the size of a shard.

Example:

package com.openkm;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            Long shardId = new Long(1);
            System.out.println(shardUtils.getShardSize(shardId));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

getShardPaths

Description:

Method	Return values	Description
getShardPaths(Long shardId)	List	Get the paths of a shard.

Example:

package com.openkm;

import java.util.List;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            Long shardId = new Long(1);
            List<String> list = shardUtils.getShardPaths(shardId);
            for (String path : list) {
                System.out.println(path);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

getShards

Description:

Method	Return values	Description
getShards()	List	Get the shards.

Example:

package com.openkm;

import java.util.List;

import com.openkm.db.bean.Shard;
import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            List<Shard> list = shardUtils.getShards();
            for (Shard shard : list) {
                System.out.println(shard);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

getShardFolders

Description:

Method	Return values	Description
getShardFolders()	List	Get the shard folders.

Example:

package com.openkm;

import java.io.File;
import java.util.List;

import com.openkm.util.ContextWrapper;
import com.openkm.util.ShardUtils;

public class Test {

    public static void main(String[] args) {
        try {
            ShardUtils shardUtils = ContextWrapper.getContext().getBean(ShardUtils.class);
            List<File> list = shardUtils.getShardFolders();
            for (File file : list) {
                System.out.println(file.getPath());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}