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The AWS Java SDK for Amazon CloudSearch module holds the client classes that are used for communicating with Amazon CloudSearch Service

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/*
 * Copyright 2010-2015 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.
 * A copy of the License is located at
 * 
 *  http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. 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.cloudsearchdomain;

import java.io.*;

import java.net.*;
import java.util.*;

import org.apache.commons.logging.*;

import com.amazonaws.*;
import com.amazonaws.regions.*;
import com.amazonaws.auth.*;
import com.amazonaws.handlers.*;
import com.amazonaws.http.*;
import com.amazonaws.regions.*;
import com.amazonaws.internal.*;
import com.amazonaws.metrics.*;
import com.amazonaws.transform.*;
import com.amazonaws.util.*;
import com.amazonaws.util.AWSRequestMetrics.Field;
import com.amazonaws.util.json.*;

import com.amazonaws.services.cloudsearchdomain.model.*;
import com.amazonaws.services.cloudsearchdomain.model.transform.*;

/**
 * Client for accessing AmazonCloudSearchDomain.  All service calls made
 * using this client are blocking, and will not return until the service call
 * completes.
 * 

*

* You use the AmazonCloudSearch2013 API to upload documents to a search * domain and search those documents. *

*

* The endpoints for submitting UploadDocuments , * Search , and Suggest * requests are domain-specific. To get the endpoints for your domain, * use the Amazon CloudSearch configuration service * DescribeDomains action. The domain endpoints are also * displayed on the domain dashboard in the Amazon CloudSearch console. * You submit suggest requests to the search endpoint. *

*

* For more information, see the * Amazon CloudSearch Developer Guide * . *

*/ public class AmazonCloudSearchDomainClient extends AmazonWebServiceClient implements AmazonCloudSearchDomain { /** Provider for AWS credentials. */ private AWSCredentialsProvider awsCredentialsProvider; private static final Log log = LogFactory.getLog(AmazonCloudSearchDomain.class); /** * List of exception unmarshallers for all AmazonCloudSearchDomain exceptions. */ protected List jsonErrorUnmarshallers; /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain. A credentials provider chain will be used * that searches for credentials in this order: *
    *
  • Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
  • *
  • Java System Properties - aws.accessKeyId and aws.secretKey
  • *
  • Instance profile credentials delivered through the Amazon EC2 metadata service
  • *
* *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @see DefaultAWSCredentialsProviderChain */ public AmazonCloudSearchDomainClient() { this(new DefaultAWSCredentialsProviderChain(), new ClientConfiguration()); } /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain. A credentials provider chain will be used * that searches for credentials in this order: *

    *
  • Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
  • *
  • Java System Properties - aws.accessKeyId and aws.secretKey
  • *
  • Instance profile credentials delivered through the Amazon EC2 metadata service
  • *
* *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @param clientConfiguration The client configuration options controlling how this * client connects to AmazonCloudSearchDomain * (ex: proxy settings, retry counts, etc.). * * @see DefaultAWSCredentialsProviderChain */ public AmazonCloudSearchDomainClient(ClientConfiguration clientConfiguration) { this(new DefaultAWSCredentialsProviderChain(), clientConfiguration); } /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain using the specified AWS account credentials. * *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @param awsCredentials The AWS credentials (access key ID and secret key) to use * when authenticating with AWS services. */ public AmazonCloudSearchDomainClient(AWSCredentials awsCredentials) { this(awsCredentials, new ClientConfiguration()); } /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain using the specified AWS account credentials * and client configuration options. * *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @param awsCredentials The AWS credentials (access key ID and secret key) to use * when authenticating with AWS services. * @param clientConfiguration The client configuration options controlling how this * client connects to AmazonCloudSearchDomain * (ex: proxy settings, retry counts, etc.). */ public AmazonCloudSearchDomainClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) { super(adjustClientConfiguration(clientConfiguration)); this.awsCredentialsProvider = new StaticCredentialsProvider(awsCredentials); init(); } /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain using the specified AWS account credentials provider. * *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials * to authenticate requests with AWS services. */ public AmazonCloudSearchDomainClient(AWSCredentialsProvider awsCredentialsProvider) { this(awsCredentialsProvider, new ClientConfiguration()); } /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain using the specified AWS account credentials * provider and client configuration options. * *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials * to authenticate requests with AWS services. * @param clientConfiguration The client configuration options controlling how this * client connects to AmazonCloudSearchDomain * (ex: proxy settings, retry counts, etc.). */ public AmazonCloudSearchDomainClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration) { this(awsCredentialsProvider, clientConfiguration, null); } /** * Constructs a new client to invoke service methods on * AmazonCloudSearchDomain using the specified AWS account credentials * provider, client configuration options and request metric collector. * *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials * to authenticate requests with AWS services. * @param clientConfiguration The client configuration options controlling how this * client connects to AmazonCloudSearchDomain * (ex: proxy settings, retry counts, etc.). * @param requestMetricCollector optional request metric collector */ public AmazonCloudSearchDomainClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration, RequestMetricCollector requestMetricCollector) { super(adjustClientConfiguration(clientConfiguration), requestMetricCollector); this.awsCredentialsProvider = awsCredentialsProvider; init(); } private void init() { jsonErrorUnmarshallers = new ArrayList(); jsonErrorUnmarshallers.add(new DocumentServiceExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new SearchExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new JsonErrorUnmarshaller()); HandlerChainFactory chainFactory = new HandlerChainFactory(); requestHandler2s.addAll(chainFactory.newRequestHandlerChain( "/com/amazonaws/services/cloudsearchdomain/request.handlers")); requestHandler2s.addAll(chainFactory.newRequestHandler2Chain( "/com/amazonaws/services/cloudsearchdomain/request.handler2s")); } private static ClientConfiguration adjustClientConfiguration(ClientConfiguration orig) { ClientConfiguration config = orig; return config; } /** *

* Posts a batch of documents to a search domain for indexing. A * document batch is a collection of add and delete operations that * represent the documents you want to add, update, or delete from your * domain. Batches can be described in either JSON or XML. Each item that * you want Amazon CloudSearch to return as a search result (such as a * product) is represented as a document. Every document has a unique ID * and one or more fields that contain the data that you want to search * and return in results. Individual documents cannot contain more than * 1 MB of data. The entire batch cannot exceed 5 MB. To get the best * possible upload performance, group add and delete operations in * batches that are close the 5 MB limit. Submitting a large volume of * single-document batches can overload a domain's document service. *

*

* The endpoint for submitting UploadDocuments requests is * domain-specific. To get the document endpoint for your domain, use the * Amazon CloudSearch configuration service DescribeDomains * action. A domain's endpoints are also displayed on the domain * dashboard in the Amazon CloudSearch console. *

*

* For more information about formatting your data for Amazon * CloudSearch, see * Preparing Your Data in the Amazon CloudSearch Developer Guide . For more information about uploading data for indexing, see Uploading Data * in the Amazon CloudSearch Developer Guide . *

* * @param uploadDocumentsRequest Container for the necessary parameters * to execute the UploadDocuments service method on * AmazonCloudSearchDomain. * * @return The response from the UploadDocuments service method, as * returned by AmazonCloudSearchDomain. * * @throws DocumentServiceException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCloudSearchDomain indicating * either a problem with the data in the request, or a server side issue. */ public UploadDocumentsResult uploadDocuments(UploadDocumentsRequest uploadDocumentsRequest) { ExecutionContext executionContext = createExecutionContext(uploadDocumentsRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; final InputStream isOrig = uploadDocumentsRequest.getDocuments(); try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new UploadDocumentsRequestMarshaller().marshall(super.beforeMarshalling(uploadDocumentsRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new UploadDocumentsResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { // Restore the original input stream, so that the caller // (who is responsible) can close it uploadDocumentsRequest.setDocuments(isOrig); endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Retrieves autocomplete suggestions for a partial query string. You * can use suggestions enable you to display likely matches before users * finish typing. In Amazon CloudSearch, suggestions are based on the * contents of a particular text field. When you request suggestions, * Amazon CloudSearch finds all of the documents whose values in the * suggester field start with the specified query string. The beginning * of the field must match the query string to be considered a match. *

*

* For more information about configuring suggesters and retrieving * suggestions, see * Getting Suggestions * in the Amazon CloudSearch Developer Guide . *

*

* The endpoint for submitting Suggest requests is * domain-specific. You submit suggest requests to a domain's search * endpoint. To get the search endpoint for your domain, use the Amazon * CloudSearch configuration service DescribeDomains action. * A domain's endpoints are also displayed on the domain dashboard in the * Amazon CloudSearch console. *

* * @param suggestRequest Container for the necessary parameters to * execute the Suggest service method on AmazonCloudSearchDomain. * * @return The response from the Suggest service method, as returned by * AmazonCloudSearchDomain. * * @throws SearchException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCloudSearchDomain indicating * either a problem with the data in the request, or a server side issue. */ public SuggestResult suggest(SuggestRequest suggestRequest) { ExecutionContext executionContext = createExecutionContext(suggestRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new SuggestRequestMarshaller().marshall(super.beforeMarshalling(suggestRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new SuggestResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Retrieves a list of documents that match the specified search * criteria. How you specify the search criteria depends on which query * parser you use. Amazon CloudSearch supports four query parsers: *

* *
    *
  • simple : search all text and * text-array fields for the specified string. Search for * phrases, individual terms, and prefixes.
  • *
  • structured : search specific fields, construct * compound queries using Boolean operators, and use advanced features * such as term boosting and proximity searching.
  • *
  • lucene : specify search criteria using the Apache * Lucene query parser syntax.
  • *
  • dismax : specify search criteria using the * simplified subset of the Apache Lucene query parser syntax defined by * the DisMax query parser.
  • * *
*

* For more information, see * Searching Your Data * in the Amazon CloudSearch Developer Guide . *

*

* The endpoint for submitting Search requests is * domain-specific. You submit search requests to a domain's search * endpoint. To get the search endpoint for your domain, use the Amazon * CloudSearch configuration service DescribeDomains action. * A domain's endpoints are also displayed on the domain dashboard in the * Amazon CloudSearch console. *

* * @param searchRequest Container for the necessary parameters to execute * the Search service method on AmazonCloudSearchDomain. * * @return The response from the Search service method, as returned by * AmazonCloudSearchDomain. * * @throws SearchException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCloudSearchDomain indicating * either a problem with the data in the request, or a server side issue. */ public SearchResult search(SearchRequest searchRequest) { ExecutionContext executionContext = createExecutionContext(searchRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new SearchRequestMarshaller().marshall(super.beforeMarshalling(searchRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new SearchResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } @Override public void setEndpoint(String endpoint) { super.setEndpoint(endpoint); } @Override public void setEndpoint(String endpoint, String serviceName, String regionId) throws IllegalArgumentException { super.setEndpoint(endpoint, serviceName, regionId); } /** * Returns additional metadata for a previously executed successful, request, typically used for * debugging issues where a service isn't acting as expected. This data isn't considered part * of the result data returned by an operation, so it's available through this separate, * diagnostic interface. *

* Response metadata is only cached for a limited period of time, so if you need to access * this extra diagnostic information for an executed request, you should use this method * to retrieve it as soon as possible after executing the request. * * @param request * The originally executed request * * @return The response metadata for the specified request, or null if none * is available. */ public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request) { return client.getResponseMetadataForRequest(request); } private Response invoke(Request request, HttpResponseHandler> responseHandler, ExecutionContext executionContext) { request.setEndpoint(endpoint); request.setTimeOffset(timeOffset); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); AWSCredentials credentials; awsRequestMetrics.startEvent(Field.CredentialsRequestTime); try { credentials = awsCredentialsProvider.getCredentials(); } finally { awsRequestMetrics.endEvent(Field.CredentialsRequestTime); } AmazonWebServiceRequest originalRequest = request.getOriginalRequest(); if (originalRequest != null && originalRequest.getRequestCredentials() != null) { credentials = originalRequest.getRequestCredentials(); } executionContext.setCredentials(credentials); JsonErrorResponseHandler errorResponseHandler = new JsonErrorResponseHandler(jsonErrorUnmarshallers); Response result = client.execute(request, responseHandler, errorResponseHandler, executionContext); return result; } }





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