Github user LosD commented on a diff in the pull request:
https://github.com/apache/metamodel/pull/140#discussion_r97908427
--- Diff:
dynamodb/src/main/java/org/apache/metamodel/dynamodb/DynamoDbTableCreationBuilder.java
---
@@ -0,0 +1,111 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.metamodel.dynamodb;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.metamodel.MetaModelException;
+import org.apache.metamodel.create.AbstractTableCreationBuilder;
+import org.apache.metamodel.schema.Column;
+import org.apache.metamodel.schema.MutableTable;
+import org.apache.metamodel.schema.Schema;
+import org.apache.metamodel.schema.Table;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
+import com.amazonaws.services.dynamodbv2.model.AttributeDefinition;
+import com.amazonaws.services.dynamodbv2.model.CreateTableRequest;
+import com.amazonaws.services.dynamodbv2.model.CreateTableResult;
+import com.amazonaws.services.dynamodbv2.model.GlobalSecondaryIndex;
+import com.amazonaws.services.dynamodbv2.model.KeySchemaElement;
+import com.amazonaws.services.dynamodbv2.model.KeyType;
+import com.amazonaws.services.dynamodbv2.model.ProvisionedThroughput;
+import com.amazonaws.services.dynamodbv2.model.TableStatus;
+
+class DynamoDbTableCreationBuilder extends
AbstractTableCreationBuilder<DynamoDbUpdateCallback> {
+
+ private static final Logger logger =
LoggerFactory.getLogger(DynamoDbTableCreationBuilder.class);
+
+ public DynamoDbTableCreationBuilder(DynamoDbUpdateCallback
updateCallback, Schema schema, String name) {
+ super(updateCallback, schema, name);
+ }
+
+ @Override
+ public Table execute() throws MetaModelException {
+ final MutableTable table = getTable();
+ final String tableName = table.getName();
+
+ final Collection<AttributeDefinition> attributes = new
ArrayList<>();
+ final Collection<KeySchemaElement> keySchema = new ArrayList<>();
+ final Collection<GlobalSecondaryIndex> globalSecondaryIndices =
new ArrayList<>();
+
+ final long readCapacity = Long.parseLong(System.getProperty(
+
DynamoDbDataContext.SYSTEM_PROPERTY_THROUGHPUT_READ_CAPACITY, "5"));
+ final long writeCapacity = Long.parseLong(System.getProperty(
+
DynamoDbDataContext.SYSTEM_PROPERTY_THROUGHPUT_WRITE_CAPACITY, "5"));
+ final ProvisionedThroughput provisionedThroughput = new
ProvisionedThroughput(readCapacity, writeCapacity);
+
+ final Column[] columns = table.getColumns();
+ for (Column column : columns) {
+ if (column.isPrimaryKey()) {
+ final KeyType keyType = getKeyType(column.getRemarks());
+ keySchema.add(new KeySchemaElement(column.getName(),
keyType));
+ attributes.add(new AttributeDefinition(column.getName(),
DynamoDbUtils.toAttributeType(column
+ .getType())));
+ }
+ }
+
+ final CreateTableRequest createTableRequest = new
CreateTableRequest();
+ createTableRequest.setTableName(tableName);
+ createTableRequest.setAttributeDefinitions(attributes);
+
createTableRequest.setGlobalSecondaryIndexes(globalSecondaryIndices);
+ createTableRequest.setKeySchema(keySchema);
+ createTableRequest.setProvisionedThroughput(provisionedThroughput);
+
+ final AmazonDynamoDB client =
getUpdateCallback().getDataContext().getDynamoDb();
+
+ final CreateTableResult createTableResult =
client.createTable(createTableRequest);
+
+ // await the table creation to be "done".
+ {
+ String tableStatus =
createTableResult.getTableDescription().getTableStatus();
+ while (TableStatus.CREATING.name().equals(tableStatus)) {
+ logger.debug("Waiting for table status to be ACTIVE.
Currently: {}", tableStatus);
+ try {
+ Thread.sleep(300);
+ } catch (InterruptedException e) {
+ }
--- End diff --
No, it means "stop what you are doing".
http://www.nurkiewicz.com/2014/05/interruptedexception-and-interrupting.html?m=1
http://daniel.mitterdorfer.name/articles/2015/handling-interruptedexception/
When you see Java programs stalling when you press cancel (hello, Eclipse)?
That's often because someone mistreated the InterruptException.
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