Examples with ShardingStrategyConfiguration io.shardingjdbc.core.api.config.strategy.ShardingStrategyConfiguration used on opensource projects

Example 1 with ShardingStrategyConfiguration

use of io.shardingjdbc.core.api.config.strategy.ShardingStrategyConfiguration in project sharding-jdbc by shardingjdbc.

the class YamlShardingStrategyConfiguration method build.

/**
 * Build sharding strategy configuration.
 *
 * @return sharding strategy configuration
 */
public ShardingStrategyConfiguration build() {
    int shardingStrategyConfigCount = 0;
    ShardingStrategyConfiguration result = null;
    if (null != standard) {
        shardingStrategyConfigCount++;
        if (null == standard.getRangeAlgorithmClassName()) {
            result = new StandardShardingStrategyConfiguration(standard.getShardingColumn(), ShardingAlgorithmFactory.newInstance(standard.getPreciseAlgorithmClassName(), PreciseShardingAlgorithm.class));
        } else {
            result = new StandardShardingStrategyConfiguration(standard.getShardingColumn(), ShardingAlgorithmFactory.newInstance(standard.getPreciseAlgorithmClassName(), PreciseShardingAlgorithm.class), ShardingAlgorithmFactory.newInstance(standard.getRangeAlgorithmClassName(), RangeShardingAlgorithm.class));
        }
    }
    if (null != complex) {
        shardingStrategyConfigCount++;
        result = new ComplexShardingStrategyConfiguration(complex.getShardingColumns(), ShardingAlgorithmFactory.newInstance(complex.getAlgorithmClassName(), ComplexKeysShardingAlgorithm.class));
    }
    if (null != inline) {
        shardingStrategyConfigCount++;
        result = new InlineShardingStrategyConfiguration(inline.getShardingColumn(), inline.getAlgorithmExpression());
    }
    if (null != hint) {
        shardingStrategyConfigCount++;
        result = new HintShardingStrategyConfiguration(ShardingAlgorithmFactory.newInstance(hint.getAlgorithmClassName(), HintShardingAlgorithm.class));
    }
    if (null != none) {
        shardingStrategyConfigCount++;
        result = new NoneShardingStrategyConfiguration();
    }
    Preconditions.checkArgument(shardingStrategyConfigCount <= 1, "Only allowed 0 or 1 sharding strategy configuration.");
    return result;
}