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The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service
/*
* Copyright 2015-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed 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://aws.amazon.com/apache2.0
*
* This file 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 com.amazonaws.services.dynamodbv2.datamodeling;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper.FailedBatch;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;
import com.amazonaws.services.dynamodbv2.model.CreateTableRequest;
import com.amazonaws.services.dynamodbv2.model.DeleteTableRequest;
import com.amazonaws.services.s3.model.Region;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Abstract implementation of {@code IDynamoDBMapper}. Convenient method forms pass through to the
* corresponding overload that takes a request object, which throws an
* {@code UnsupportedOperationException}.
*/
public class AbstractDynamoDBMapper implements IDynamoDBMapper {
private final DynamoDBMapperConfig config;
protected AbstractDynamoDBMapper(final DynamoDBMapperConfig defaults) {
this.config = DynamoDBMapperConfig.DEFAULT.merge(defaults);
}
protected AbstractDynamoDBMapper() {
this(DynamoDBMapperConfig.DEFAULT);
}
protected final String getTableName(Class clazz, Object object, DynamoDBMapperConfig config) {
if (config.getObjectTableNameResolver() != null && object != null) {
return config.getObjectTableNameResolver().getTableName(object, config);
}
return getTableName(clazz, config);
}
protected final String getTableName(Class clazz, DynamoDBMapperConfig config) {
if (config.getTableNameResolver() == null) {
return DynamoDBMapperConfig.DefaultTableNameResolver.INSTANCE.getTableName(clazz, config);
}
return config.getTableNameResolver().getTableName(clazz, config);
}
protected final DynamoDBMapperConfig mergeConfig(DynamoDBMapperConfig overrides) {
return this.config.merge(overrides);
}
@Override
public DynamoDBMapperTableModel getTableModel(Class clazz) {
return getTableModel(clazz, config);
}
@Override
public DynamoDBMapperTableModel getTableModel(Class clazz, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public T load(Class clazz, Object hashKey, DynamoDBMapperConfig config) {
return load(clazz, hashKey, (Object)null, config);
}
@Override
public T load(Class clazz, Object hashKey) {
return load(clazz, hashKey, (Object)null, config);
}
@Override
public T load(Class clazz, Object hashKey, Object rangeKey) {
return load(clazz, hashKey, rangeKey, config);
}
@Override
public T load(Class clazz, Object hashKey, Object rangeKey, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public T load(T keyObject) {
return load(keyObject, config);
}
@Override
public T load(T keyObject, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public T marshallIntoObject(Class clazz, Map itemAttributes) {
return marshallIntoObject(clazz, itemAttributes, config);
}
public T marshallIntoObject(Class clazz, Map itemAttributes, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public List marshallIntoObjects(Class clazz, List> itemAttributes) {
return marshallIntoObjects(clazz, itemAttributes, config);
}
public List marshallIntoObjects(Class clazz, List> itemAttributes, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public void save(T object) {
save(object, (DynamoDBSaveExpression)null, config);
}
@Override
public void save(T object, DynamoDBSaveExpression saveExpression) {
save(object, saveExpression, config);
}
@Override
public void save(T object, DynamoDBMapperConfig config) {
save(object, (DynamoDBSaveExpression)null, config);
}
@Override
public void save(T object, DynamoDBSaveExpression saveExpression, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public void delete(Object object) {
delete(object, (DynamoDBDeleteExpression)null, config);
}
@Override
public void delete(Object object, DynamoDBDeleteExpression deleteExpression) {
delete(object, deleteExpression, config);
}
@Override
public void delete(Object object, DynamoDBMapperConfig config) {
delete(object, (DynamoDBDeleteExpression)null, config);
}
@Override
public void delete(T object, DynamoDBDeleteExpression deleteExpression, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public List batchDelete(Iterable objectsToDelete) {
return batchWrite(Collections.emptyList(), objectsToDelete, config);
}
@Override
public List batchDelete(Object... objectsToDelete) {
return batchWrite(Collections.emptyList(), Arrays.asList(objectsToDelete), config);
}
@Override
public List batchSave(Iterable objectsToSave) {
return batchWrite(objectsToSave, Collections.emptyList(), config);
}
@Override
public List batchSave(Object... objectsToSave) {
return batchWrite(Arrays.asList(objectsToSave), Collections.emptyList(), config);
}
@Override
public List batchWrite(Iterable objectsToWrite,
Iterable objectsToDelete) {
return batchWrite(objectsToWrite, objectsToDelete, config);
}
@Override
public List batchWrite(Iterable objectsToWrite,
Iterable objectsToDelete,
DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public Map> batchLoad(Iterable itemsToGet) {
return batchLoad(itemsToGet, config);
}
@Override
public Map> batchLoad(Iterable itemsToGet, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public Map> batchLoad(Map, List> itemsToGet) {
return batchLoad(itemsToGet, config);
}
@Override
public Map> batchLoad(Map, List> itemsToGet, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public PaginatedScanList scan(Class clazz, DynamoDBScanExpression scanExpression) {
return scan(clazz, scanExpression, config);
}
@Override
public PaginatedScanList scan(Class clazz,
DynamoDBScanExpression scanExpression,
DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public PaginatedParallelScanList parallelScan(Class clazz,
DynamoDBScanExpression scanExpression,
int totalSegments) {
return parallelScan(clazz, scanExpression, totalSegments, config);
}
@Override
public PaginatedParallelScanList parallelScan(Class clazz,
DynamoDBScanExpression scanExpression,
int totalSegments,
DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public ScanResultPage scanPage(Class clazz, DynamoDBScanExpression scanExpression) {
return scanPage(clazz, scanExpression, config);
}
@Override
public ScanResultPage scanPage(Class clazz,
DynamoDBScanExpression scanExpression,
DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public int count(Class clazz, DynamoDBScanExpression scanExpression) {
return count(clazz, scanExpression, config);
}
@Override
public int count(Class clazz, DynamoDBScanExpression scanExpression, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public PaginatedQueryList query(Class clazz, DynamoDBQueryExpression queryExpression) {
return query(clazz, queryExpression, config);
}
@Override
public PaginatedQueryList query(Class clazz,
DynamoDBQueryExpression queryExpression,
DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public QueryResultPage queryPage(Class clazz, DynamoDBQueryExpression queryExpression) {
return queryPage(clazz, queryExpression, config);
}
@Override
public QueryResultPage queryPage(Class clazz,
DynamoDBQueryExpression queryExpression,
DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public int count(Class clazz, DynamoDBQueryExpression queryExpression) {
return count(clazz, queryExpression, config);
}
@Override
public int count(Class clazz, DynamoDBQueryExpression queryExpression, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public S3ClientCache getS3ClientCache() {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public S3Link createS3Link(String bucketName, String key) {
return createS3Link((Region)null, bucketName, key);
}
@Override
public S3Link createS3Link(Region s3region, String bucketName, String key) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public S3Link createS3Link(String s3region, String bucketName, String key) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public CreateTableRequest generateCreateTableRequest(Class clazz) {
return generateCreateTableRequest(clazz, config);
}
public CreateTableRequest generateCreateTableRequest(Class clazz, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
@Override
public DeleteTableRequest generateDeleteTableRequest(Class clazz) {
return generateDeleteTableRequest(clazz, config);
}
public DeleteTableRequest generateDeleteTableRequest(Class clazz, DynamoDBMapperConfig config) {
throw new UnsupportedOperationException("operation not supported in " + getClass());
}
}