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Java ShardingType类代码示例

本文整理汇总了Java中com.mysql.fabric.ShardingType的典型用法代码示例。如果您正苦于以下问题:Java ShardingType类的具体用法?Java ShardingType怎么用?Java ShardingType使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


ShardingType类属于com.mysql.fabric包,在下文中一共展示了ShardingType类的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: testHashShardMappingKeyLookup

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
public void testHashShardMappingKeyLookup() throws Exception {
    final String globalGroupName = "My global group";

    final String lowerBounds[] = new String[] { /* 0 = */"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", /* 1 = */"66666666666666666666666666666666",
            /* 2 = */"2809A05A22A4A9C1882A580BCC0AD8A6", /* 3 = */"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD" };

    // setup the mapping
    Set<ShardIndex> shardIndices = new HashSet<ShardIndex>();
    int shardId = 0; // shard id's added sequentially increasing from 0
    for (String lowerBound : lowerBounds) {
        ShardIndex i = new ShardIndex(lowerBound, shardId, "server_group_" + shardId);
        shardId++;
        shardIndices.add(i);
    }
    ShardMapping mapping = new HashShardMapping(5000, ShardingType.HASH, globalGroupName, null, shardIndices);

    // test lookups mapping of test value to the group it maps to test values are hashed with MD5 and compared to lowerBounds values
    String testPairs[][] = new String[][] {
            // exact match should be in that shard
            new String[] { "Jess", "server_group_2" }, // hash = 2809a05a22a4a9c1882a580bcc0ad8a6
            new String[] { "x", "server_group_1" }, // hash = 9dd4e461268c8034f5c8564e155c67a6
            new String[] { "X", "server_group_3" }, // hash = 02129bb861061d1a052c592e2dc6b383
            new String[] { "Y", "server_group_2" }, // hash = 57cec4137b614c87cb4e24a3d003a3e0
            new String[] { "g", "server_group_0" }, // hash = b2f5ff47436671b6e533d8dc3614845d
            // leading zeroes
            new String[] { "168", "server_group_3" }, // hash = 006f52e9102a8d3be2fe5614f42ba989
    };

    for (String[] testPair : testPairs) {
        String key = testPair[0];
        String serverGroup = testPair[1];
        assertEquals(serverGroup, mapping.getGroupNameForKey(key));
    }

    // test a random set of values. we should never return null
    for (int i = 0; i < 1000; ++i) {
        assertNotNull(mapping.getGroupNameForKey("" + i));
    }
}
 
开发者ID:bragex,项目名称:the-vigilantes,代码行数:40,代码来源:TestShardMapping.java

示例2: getShardMappings

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
/**
 * Retrieve a set of complete shard mappings. The returned mappings include all information
 * available about the mapping.
 * 
 * @param shardMappingIdPattern
 *            the shard mapping id to retrieve
 */
public FabricStateResponse<Set<ShardMapping>> getShardMappings(String shardMappingIdPattern) throws FabricCommunicationException {
    int version = 0;
    Object args[] = new Object[] { version, shardMappingIdPattern }; // common to all calls
    Response mapsResponse = errorSafeCallMethod(METHOD_DUMP_SHARD_MAPS, args);
    // use the lowest ttl of all the calls
    long minExpireTimeMillis = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(mapsResponse.getTtl());
    int baseTtl = mapsResponse.getTtl();

    // construct the maps
    Set<ShardMapping> mappings = new HashSet<ShardMapping>();
    for (Map<String, ?> rawMapping : mapsResponse.getResultSet()) {
        int mappingId = (Integer) rawMapping.get(FIELD_MAPPING_ID);
        ShardingType shardingType = ShardingType.valueOf((String) rawMapping.get(FIELD_TYPE_NAME));
        String globalGroupName = (String) rawMapping.get(FIELD_GLOBAL_GROUP_ID);

        FabricStateResponse<Set<ShardTable>> tables = getShardTables(mappingId);
        FabricStateResponse<Set<ShardIndex>> indices = getShardIndices(mappingId);

        if (tables.getExpireTimeMillis() < minExpireTimeMillis) {
            minExpireTimeMillis = tables.getExpireTimeMillis();
        }
        if (indices.getExpireTimeMillis() < minExpireTimeMillis) {
            minExpireTimeMillis = indices.getExpireTimeMillis();
        }

        ShardMapping m = new ShardMappingFactory().createShardMapping(mappingId, shardingType, globalGroupName, tables.getData(), indices.getData());
        mappings.add(m);
    }

    return new FabricStateResponse<Set<ShardMapping>>(mappings, baseTtl, minExpireTimeMillis);
}
 
开发者ID:bragex,项目名称:the-vigilantes,代码行数:39,代码来源:XmlRpcClient.java

示例3: getShardMappings

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
/**
 * Retrieve a set of complete shard mappings. The returned mappings include all information
 * available about the mapping.
 * 
 * @param shardMappingIdPattern
 *            the shard mapping id to retrieve
 */
public FabricStateResponse<Set<ShardMapping>> getShardMappings(String shardMappingIdPattern) throws FabricCommunicationException {
    int version = 0;
    Object args[] = new Object[] { version, shardMappingIdPattern }; // common to all calls
    Response mapsResponse = errorSafeCallMethod(METHOD_DUMP_SHARD_MAPS, args);
    // use the lowest ttl of all the calls
    long minExpireTimeMillis = System.currentTimeMillis() + (1000 * mapsResponse.getTtl());

    // construct the maps
    Set<ShardMapping> mappings = new HashSet<ShardMapping>();
    for (Map rawMapping : mapsResponse.getResultSet()) {
        int mappingId = (Integer) rawMapping.get(FIELD_MAPPING_ID);
        ShardingType shardingType = ShardingType.valueOf((String) rawMapping.get(FIELD_TYPE_NAME));
        String globalGroupName = (String) rawMapping.get(FIELD_GLOBAL_GROUP_ID);

        FabricStateResponse<Set<ShardTable>> tables = getShardTables(mappingId);
        FabricStateResponse<Set<ShardIndex>> indices = getShardIndices(mappingId);

        if (tables.getExpireTimeMillis() < minExpireTimeMillis) {
            minExpireTimeMillis = tables.getExpireTimeMillis();
        }
        if (indices.getExpireTimeMillis() < minExpireTimeMillis) {
            minExpireTimeMillis = indices.getExpireTimeMillis();
        }

        ShardMapping m = new ShardMappingFactory().createShardMapping(mappingId, shardingType, globalGroupName, tables.getData(), indices.getData());
        mappings.add(m);
    }

    return new FabricStateResponse<Set<ShardMapping>>(mappings, minExpireTimeMillis);
}
 
开发者ID:lamsfoundation,项目名称:lams,代码行数:38,代码来源:XmlRpcClient.java

示例4: getShardMappings

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
/**
 * Retrieve a set of complete shard mappings. The returned mappings include all information
 * available about the mapping.
 * @param shardMappingIdPattern the shard mapping id to retrieve
 */
public FabricStateResponse<Set<ShardMapping>> getShardMappings(String shardMappingIdPattern) throws FabricCommunicationException {
    int version = 0;
    Object args[] = new Object[] {version, shardMappingIdPattern}; // common to all calls
    DumpResponse mapsResponse = callDumpMethod("dump.shard_maps", args);
    // use the lowest ttl of all the calls
    long minExpireTimeMillis = System.currentTimeMillis() + (1000 * mapsResponse.getTtl());

    // construct the maps
    Set<ShardMapping> mappings = new HashSet<ShardMapping>();
    for (List rawMapping : (List<List>) mapsResponse.getReturnValue()) {
        String mappingId = (String)rawMapping.get(0);
        ShardingType shardingType = ShardingType.valueOf((String)rawMapping.get(1));
        String globalGroupName = (String)rawMapping.get(2);

        FabricStateResponse<Set<ShardTable>> tables = getShardTables(mappingId);
        FabricStateResponse<Set<ShardIndex>> indices = getShardIndices(mappingId);

        if (tables.getExpireTimeMillis() < minExpireTimeMillis)
            minExpireTimeMillis = tables.getExpireTimeMillis();
        if (indices.getExpireTimeMillis() < minExpireTimeMillis)
            minExpireTimeMillis = indices.getExpireTimeMillis();

        ShardMapping m = new ShardMappingFactory().createShardMapping(mappingId, shardingType, globalGroupName,
                                                                      tables.getData(), indices.getData());
        mappings.add(m);
    }

    return new FabricStateResponse<Set<ShardMapping>>(mappings, minExpireTimeMillis);
}
 
开发者ID:hinsenchan,项目名称:fil_project_mgmt_app_v2,代码行数:35,代码来源:XmlRpcClient.java

示例5: testHashShardMappingKeyLookup

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
public void testHashShardMappingKeyLookup() throws Exception {
    final String globalGroupName = "My global group";

    final String lowerBounds[] = new String[] {
    /* 0 = */"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
    /* 1 = */"66666666666666666666666666666666",
    /* 2 = */"2809A05A22A4A9C1882A580BCC0AD8A6",
    /* 3 = */"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD" };

    // setup the mapping
    Set<ShardIndex> shardIndices = new HashSet<ShardIndex>();
    int shardId = 0; // shard id's added sequentially increasing from 0
    for (String lowerBound : lowerBounds) {
        ShardIndex i = new ShardIndex(lowerBound, shardId, "server_group_" + shardId);
        shardId++;
        shardIndices.add(i);
    }
    ShardMapping mapping = new HashShardMapping(5000, ShardingType.HASH, globalGroupName, null, shardIndices);

    // test lookups mapping of test value to the group it maps to test values are hashed with MD5 and compared to lowerBounds values
    String testPairs[][] = new String[][] {
            // exact match should be in that shard
            new String[] { "Jess", "server_group_2" }, // hash = 2809a05a22a4a9c1882a580bcc0ad8a6
            new String[] { "x", "server_group_1" }, // hash = 9dd4e461268c8034f5c8564e155c67a6
            new String[] { "X", "server_group_3" }, // hash = 02129bb861061d1a052c592e2dc6b383
            new String[] { "Y", "server_group_2" }, // hash = 57cec4137b614c87cb4e24a3d003a3e0
            new String[] { "g", "server_group_0" }, // hash = b2f5ff47436671b6e533d8dc3614845d
            // leading zeroes
            new String[] { "168", "server_group_3" }, // hash = 006f52e9102a8d3be2fe5614f42ba989
    };

    for (String[] testPair : testPairs) {
        String key = testPair[0];
        String serverGroup = testPair[1];
        assertEquals(serverGroup, mapping.getGroupNameForKey(key));
    }

    // test a random set of values. we should never return null
    for (int i = 0; i < 1000; ++i) {
        assertNotNull(mapping.getGroupNameForKey("" + i));
    }
}
 
开发者ID:mniepert,项目名称:TPKB,代码行数:43,代码来源:TestShardMapping.java

示例6: testHashShardMappingKeyLookup

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
public void testHashShardMappingKeyLookup() throws Exception {
    final String globalGroupName = "My global group";

    final String lowerBounds[] = new String[] {
        /* 0 = */ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
        /* 1 = */ "66666666666666666666666666666666",
        /* 2 = */ "2809A05A22A4A9C1882A580BCC0AD8A6",
        /* 3 = */ "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"};

    // setup the mapping
    Set<ShardIndex> shardIndices = new HashSet<ShardIndex>();
    int shardId = 0; // shard id's added sequentially increasing from 0
    for (String lowerBound : lowerBounds) {
        ShardIndex i = new ShardIndex(lowerBound, shardId, "server_group_" + shardId);
        shardId++;
        shardIndices.add(i);
    }
    ShardMapping mapping = new HashShardMapping("arbitrary-mapping-id", ShardingType.HASH,
                                                 globalGroupName, null, shardIndices);

    // test lookups
    // mapping of test value to the group it maps to
    // test values are hashed with MD5 and compared to lowerBounds values
    String testPairs[][] = new String[][] {
        // exact match should be in that shard
        new String[] {"Jess", "server_group_2"}, // hash = 2809a05a22a4a9c1882a580bcc0ad8a6
        new String[] {"x",    "server_group_1"}, // hash = 9dd4e461268c8034f5c8564e155c67a6
        new String[] {"X",    "server_group_3"}, // hash = 02129bb861061d1a052c592e2dc6b383
        new String[] {"Y",    "server_group_2"}, // hash = 57cec4137b614c87cb4e24a3d003a3e0
        new String[] {"g",    "server_group_0"}, // hash = b2f5ff47436671b6e533d8dc3614845d
        // leading zeroes
        new String[] {"168",  "server_group_3"}, // hash = 006f52e9102a8d3be2fe5614f42ba989
    };

    for (String[] testPair : testPairs) {
        String key = testPair[0];
        String serverGroup = testPair[1];
        assertEquals(serverGroup, mapping.getGroupNameForKey(key));
    }

    // test a random set of values. we should never return null
    for (int i = 0; i < 1000; ++i) {
        assertNotNull(mapping.getGroupNameForKey(""+i));
    }
}
 
开发者ID:hinsenchan,项目名称:fil_project_mgmt_app_v2,代码行数:46,代码来源:TestShardMapping.java

示例7: createShardMapping

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
/**
 * Create a new shard mapping.
 * 
 * @param type
 *            method by which data is distributed to shards
 * @param globalGroupName
 *            name of global group of the shard mapping
 * @returns id of the new shard mapping.
 */
public int createShardMapping(ShardingType type, String globalGroupName) throws FabricCommunicationException {
    Response r = errorSafeCallMethod(METHOD_SHARDING_CREATE_DEFINITION, new Object[] { type.toString(), globalGroupName });
    return (Integer) r.getResultSet().get(0).get(FIELD_RESULT);
}
 
开发者ID:bragex,项目名称:the-vigilantes,代码行数:14,代码来源:XmlRpcClient.java

示例8: createShardMapping

import com.mysql.fabric.ShardingType; //导入依赖的package包/类
/**
 * Create a new shard mapping.
 *
 * @param type method by which data is distributed to shards
 * @param globalGroupName name of global group of the shard mapping
 * @returns id of the new shard mapping.
 */
public int createShardMapping(ShardingType type, String globalGroupName) throws FabricCommunicationException {
    return (Integer)errorSafeCallMethod("sharding.create_definition", new Object[] {type.toString(), globalGroupName});
}
 
开发者ID:hinsenchan,项目名称:fil_project_mgmt_app_v2,代码行数:11,代码来源:XmlRpcClient.java


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