Examples of com.mysql.clusterj.core.store.PartitionKey

com.mysql.clusterj.core.store.PartitionKey
This interface represents a partition key. A partition key consists of a table and values that make up the partition key. An instance of this interface can be used to specify the partition key used when starting a transaction.

    /** Create a partition key for a find by primary key. 
     * @param handler the handler that contains the values of the primary key
     */
    public PartitionKey createPartitionKey(ValueHandler handler) {
        // create the partition key based on the mapped table
        PartitionKey result = table.createPartitionKey();
        // add partition key part value for each partition key field
        for (DomainFieldHandler fmd: partitionKeyFieldHandlers) {
            if (logger.isDetailEnabled()) logger.detail(
                        "Field number " + fmd.getFieldNumber()
                        + " column name " + fmd.getName() + " field name " + fmd.getName());

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     */
    private void setPartitionKey(DomainTypeHandler<?> domainTypeHandler,
            ValueHandler keyHandler) {
        if (!isEnlisted()) {
            // there is still time to set the partition key
            PartitionKey partitionKey = 
                domainTypeHandler.createPartitionKey(keyHandler);
            clusterTransaction.setPartitionKey(partitionKey);
        }
    }

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    /** Create a partition key for any operation that knows the primary key. 
     * @param handler the handler that contains the values of the primary key
     */
    public PartitionKey createPartitionKey(ValueHandler handler) {
        // create the partition key based on the mapped table
        PartitionKey result = storeTable.createPartitionKey();
        // add partition key part value for each partition key field
        for (NdbOpenJPADomainFieldHandlerImpl fmd: partitionKeyFieldHandlers) {
            if (logger.isDetailEnabled()) logger.detail(
                    "Field number " + fmd.getFieldNumber()
                    + " column name " + fmd.getColumnName() + " field name " + fmd.getName());

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Related Classes of com.mysql.clusterj.core.store.PartitionKey

com.mysql.clusterj.core.metadata.AbstractDomainTypeHandlerImpl

com.mysql.clusterj.core.SessionImpl

com.mysql.clusterj.openjpa.NdbOpenJPADomainTypeHandlerImpl

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