diff options
Diffstat (limited to 'src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java')
| -rw-r--r-- | src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java | 1634 |
1 files changed, 0 insertions, 1634 deletions
diff --git a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java b/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java deleted file mode 100644 index cd07200..0000000 --- a/src/main/java/org/openecomp/sa/searchdbabstraction/elasticsearch/dao/ElasticSearchHttpController.java +++ /dev/null @@ -1,1634 +0,0 @@ -/** - * ============LICENSE_START======================================================= - * org.onap.aai - * ================================================================================ - * Copyright © 2017 AT&T Intellectual Property. All rights reserved. - * Copyright © 2017 Amdocs - * ================================================================================ - * 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://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. - * ============LICENSE_END========================================================= - * - * ECOMP is a trademark and service mark of AT&T Intellectual Property. - */ -package org.openecomp.sa.searchdbabstraction.elasticsearch.dao; - -import com.att.aft.dme2.internal.google.common.base.Throwables; -import com.fasterxml.jackson.annotation.JsonInclude.Include; -import com.fasterxml.jackson.core.JsonParseException; -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.JsonMappingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import edu.emory.mathcs.backport.java.util.Arrays; -import org.json.simple.JSONArray; -import org.json.simple.JSONObject; -import org.json.simple.parser.JSONParser; -import org.json.simple.parser.ParseException; -import org.openecomp.cl.api.LogFields; -import org.openecomp.cl.api.LogLine; -import org.openecomp.cl.api.Logger; -import org.openecomp.cl.eelf.LoggerFactory; -import org.openecomp.cl.mdc.MdcContext; -import org.openecomp.cl.mdc.MdcOverride; -import org.openecomp.sa.rest.AnalysisConfiguration; -import org.openecomp.sa.rest.ApiUtils; -import org.openecomp.sa.rest.BulkRequest; -import org.openecomp.sa.rest.BulkRequest.OperationType; -import org.openecomp.sa.rest.DocumentSchema; -import org.openecomp.sa.searchdbabstraction.elasticsearch.config.ElasticSearchConfig; -import org.openecomp.sa.searchdbabstraction.elasticsearch.exception.DocumentStoreOperationException; -import org.openecomp.sa.searchdbabstraction.entity.AggregationResult; -import org.openecomp.sa.searchdbabstraction.entity.AggregationResults; -import org.openecomp.sa.searchdbabstraction.entity.Document; -import org.openecomp.sa.searchdbabstraction.entity.DocumentOperationResult; -import org.openecomp.sa.searchdbabstraction.entity.ErrorResult; -import org.openecomp.sa.searchdbabstraction.entity.OperationResult; -import org.openecomp.sa.searchdbabstraction.entity.SearchHit; -import org.openecomp.sa.searchdbabstraction.entity.SearchHits; -import org.openecomp.sa.searchdbabstraction.entity.SearchOperationResult; -import org.openecomp.sa.searchdbabstraction.logging.SearchDbMsgs; -import org.openecomp.sa.searchdbabstraction.util.AggregationParsingUtil; -import org.openecomp.sa.searchdbabstraction.util.DocumentSchemaUtil; -import org.openecomp.sa.searchdbabstraction.util.SearchDbConstants; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.io.OutputStreamWriter; -import java.io.PrintWriter; -import java.io.StringWriter; -import java.net.HttpURLConnection; -import java.net.MalformedURLException; -import java.net.ProtocolException; -import java.net.URL; -import java.text.SimpleDateFormat; -import java.util.ArrayList; -import java.util.List; -import java.util.Properties; -import java.util.concurrent.atomic.AtomicBoolean; -import javax.ws.rs.core.Response.Status; - - -/** - * This class has the Elasticsearch implementation of the - * DB operations defined in DocumentStoreInterface. - */ -public class ElasticSearchHttpController implements DocumentStoreInterface { - - private static final String BULK_CREATE_WITHOUT_INDEX_TEMPLATE = - "{\"create\":{\"_index\" : \"%s\", \"_type\" : \"%s\"} }\n"; - private static final String BULK_CREATE_WITH_INDEX_TEMPLATE = - "{\"create\":{\"_index\" : \"%s\", \"_type\" : \"%s\", \"_id\" : \"%s\" } }\n"; - private static final String BULK_IMPORT_INDEX_TEMPLATE = - "{\"index\":{\"_index\":\"%s\",\"_type\":\"%s\",\"_id\":\"%s\", \"_version\":\"%s\"}}\n"; - private static final String BULK_DELETE_TEMPLATE = - "{ \"delete\": { \"_index\": \"%s\", \"_type\": \"%s\", \"_id\": \"%s\", \"_version\":\"%s\"}}\n"; - - private static final String INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT = - "Internal Error: ElasticSearch operation fault occurred"; - private static final Logger logger = LoggerFactory.getInstance() - .getLogger(ElasticSearchHttpController.class.getName()); - private static final Logger metricsLogger = LoggerFactory.getInstance() - .getMetricsLogger(ElasticSearchHttpController.class.getName()); - private final ElasticSearchConfig config; - - private static final String DEFAULT_TYPE = "default"; - - private static ElasticSearchHttpController instance = null; - - protected AnalysisConfiguration analysisConfig; - - public static ElasticSearchHttpController getInstance() { - - synchronized (ElasticSearchHttpController.class) { - - if (instance == null) { - - Properties properties = new Properties(); - File file = new File(SearchDbConstants.ES_CONFIG_FILE); - try { - properties.load(new FileInputStream(file)); - } catch (Exception e) { - logger.error(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, - "ElasticSearchHTTPController.getInstance", - e.getLocalizedMessage()); - } - - ElasticSearchConfig config = new ElasticSearchConfig(properties); - instance = new ElasticSearchHttpController(config); - } - } - - return instance; - } - - public ElasticSearchHttpController(ElasticSearchConfig config) { - this.config = config; - analysisConfig = new AnalysisConfiguration(); - - try { - logger.info(SearchDbMsgs.ELASTIC_SEARCH_CONNECTION_ATTEMPT, getFullUrl("", false)); - checkConnection(); - logger.info(SearchDbMsgs.ELASTIC_SEARCH_CONNECTION_SUCCESS, getFullUrl("", false)); - } catch (Exception e) { - logger.error(SearchDbMsgs.ELASTIC_SEARCH_CONNECTION_FAILURE, null, e, - getFullUrl("", false), e.getMessage()); - } - } - - - public AnalysisConfiguration getAnalysisConfig() { - return analysisConfig; - } - - @Override - public OperationResult createIndex(String index, DocumentSchema documentSchema) { - - OperationResult result = new OperationResult(); - result.setResultCode(500); - - try { - - // Submit the request to ElasticSearch to create the index using a - // default document type. - result = createTable(index, - DEFAULT_TYPE, - analysisConfig.getEsIndexSettings(), - DocumentSchemaUtil.generateDocumentMappings(documentSchema)); - - // ElasticSearch will return us a 200 code on success when we - // want to report a 201, so translate the result here. - result.setResultCode((result.getResultCode() == 200) ? 201 : result.getResultCode()); - if (isSuccess(result)) { - result.setResult("{\"url\": \"" + ApiUtils.buildIndexUri(index) + "\"}"); - //result.setResult("{\"index\": \"" + index + ", \"type\": \"" + DEFAULT_TYPE + "\"}"); - } - - } catch (DocumentStoreOperationException e) { - - result.setFailureCause("Document store operation failure. Cause: " + e.getMessage()); - } - - return result; - } - - - @Override - public OperationResult deleteIndex(String indexName) throws DocumentStoreOperationException { - - //Initialize operation result with a failure codes / fault string - OperationResult opResult = new OperationResult(); - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/", false); - HttpURLConnection conn = initializeConnection(fullUrl); - - logger.debug("\nSending 'DELETE' request to URL : " + conn.getURL()); - - try { - conn.setRequestMethod("DELETE"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to DELETE.", e); - } - - handleResponse(conn, opResult); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.DELETE_INDEX_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName); - - shutdownConnection(conn); - - return opResult; - } - - - private OperationResult checkConnection() throws Exception { - - String fullUrl = getFullUrl("/_cluster/health", false); - URL url = null; - HttpURLConnection conn = null; - - url = new URL(fullUrl); - conn = (HttpURLConnection) url.openConnection(); - conn.setRequestMethod("GET"); - conn.setDoOutput(true); - logger.debug("getClusterHealth(), Sending 'GET' request to URL : " + url); - - int resultCode = conn.getResponseCode(); - logger.debug("getClusterHealth() response Code : " + resultCode); - OperationResult opResult = new OperationResult(); - opResult.setResultCode(resultCode); - - shutdownConnection(conn); - - return opResult; - } - - private String getFullUrl(String resourceUrl, boolean isSecure) { - - final String host = config.getIpAddress(); - final String port = config.getHttpPort(); - - if (isSecure) { - return String.format("https://%s:%s%s", host, port, resourceUrl); - } else { - return String.format("http://%s:%s%s", host, port, resourceUrl); - } - } - - private void shutdownConnection(HttpURLConnection connection) { - if (connection == null) { - return; - } - - InputStream inputstream = null; - OutputStream outputstream = null; - - try { - inputstream = connection.getInputStream(); - } catch (IOException e) { - logger.debug(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection", e.getLocalizedMessage()); - } finally { - if (inputstream != null) { - try { - inputstream.close(); - } catch (IOException e) { - logger.debug(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection", - e.getLocalizedMessage()); - } - } - } - - try { - outputstream = connection.getOutputStream(); - } catch (IOException e) { - logger.debug(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection", e.getLocalizedMessage()); - } finally { - if (outputstream != null) { - try { - outputstream.close(); - } catch (IOException e) { - logger.debug(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "shutdownConnection", - e.getLocalizedMessage()); - } - } - } - - connection.disconnect(); - } - - //@Override - protected OperationResult createTable(String indexName, String typeName, - String indexSettings, String indexMappings) - throws DocumentStoreOperationException { - - if (indexSettings == null) { - logger.debug("No settings provided."); - } - - if (indexMappings == null) { - logger.debug("No mappings provided."); - } - - OperationResult opResult = new OperationResult(); - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/", false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("PUT"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to PUT.", e); - } - - StringBuilder sb = new StringBuilder(128); - sb.append("{ \"settings\" : "); - sb.append(indexSettings); - sb.append(","); - - sb.append("\"mappings\" : {"); - sb.append("\"" + typeName + "\" :"); - sb.append(indexMappings); - sb.append("}}"); - - attachContent(conn, sb.toString()); - - logger.debug("\ncreateTable(), Sending 'PUT' request to URL : " + conn.getURL()); - logger.debug("Request content: " + sb.toString()); - - handleResponse(conn, opResult); - - shutdownConnection(conn); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.CREATE_INDEX_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResultCode()), - override, - indexName); - - return opResult; - } - - @Override - public DocumentOperationResult createDocument(String indexName, - DocumentStoreDataEntity document, - boolean allowImplicitIndexCreation) - throws DocumentStoreOperationException { - - if(!allowImplicitIndexCreation) { - - // Before we do anything, make sure that the specified index actually exists in the - // document store - we don't want to rely on ElasticSearch to fail the document - // create because it could be configured to implicitly create a non-existent index, - // which can lead to hard-to-debug behaviour with queries down the road. - OperationResult indexExistsResult = checkIndexExistence(indexName); - if ((indexExistsResult.getResultCode() < 200) || (indexExistsResult.getResultCode() >= 300)) { - - DocumentOperationResult opResult = new DocumentOperationResult(); - opResult.setResultCode(Status.NOT_FOUND.getStatusCode()); - opResult.setResult("Document Index '" + indexName + "' does not exist."); - opResult.setFailureCause("Document Index '" + indexName + "' does not exist."); - return opResult; - } - } - - if (document.getId() == null || document.getId().isEmpty()) { - return createDocumentWithoutId(indexName, document); - } else { - return createDocumentWithId(indexName, document); - } - } - - private DocumentOperationResult createDocumentWithId(String indexName, - DocumentStoreDataEntity document) - throws DocumentStoreOperationException { - // check if the document already exists - DocumentOperationResult opResult = checkDocumentExistence(indexName, document.getId()); - - - if (opResult.getResultCode() != Status.NOT_FOUND.getStatusCode()) { - if (opResult.getResultCode() == Status.OK.getStatusCode()) { - opResult.setFailureCause("A document with the same id already exists."); - } else { - opResult.setFailureCause("Failed to verify a document with the specified id does not already exist."); - } - opResult.setResultCode(Status.CONFLICT.getStatusCode()); - return opResult; - } - - opResult = new DocumentOperationResult(); - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE - + "/" + document.getId(), false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("PUT"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to PUT.", e); - } - - attachDocument(conn, document); - - logger.debug("Sending 'PUT' request to: " + conn.getURL()); - - handleResponse(conn, opResult); - buildDocumentResult(opResult, indexName); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.CREATE_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName); - - shutdownConnection(conn); - - return opResult; - - } - - private DocumentOperationResult createDocumentWithoutId(String indexName, - DocumentStoreDataEntity document) - throws DocumentStoreOperationException { - - DocumentOperationResult response = new DocumentOperationResult(); - // Initialize operation result with a failure codes / fault string - response.setResultCode(500); - response.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE, false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("POST"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to POST.", e); - } - - attachDocument(conn, document); - - logger.debug("Sending 'POST' request to: " + conn.getURL()); - - handleResponse(conn, response); - buildDocumentResult(response, indexName); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.CREATE_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, response.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, response.getResult()), - override, - indexName); - - shutdownConnection(conn); - - return response; - } - - private void attachDocument(HttpURLConnection conn, DocumentStoreDataEntity doc) - throws DocumentStoreOperationException { - conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); - conn.setRequestProperty("Connection", "Close"); - - attachContent(conn, doc.getContentInJson()); - } - - private DocumentOperationResult checkDocumentExistence(String indexName, - String docId) - throws DocumentStoreOperationException { - DocumentOperationResult opResult = new DocumentOperationResult(); - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + docId, false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("HEAD"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to HEAD.", e); - } - - logger.debug("Sending 'HEAD' request to: " + conn.getURL()); - - int resultCode; - try { - resultCode = conn.getResponseCode(); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to get the response code from the connection.", e); - } - - logger.debug("Response Code : " + resultCode); - - opResult.setResultCode(resultCode); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.GET_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName, - docId); - - shutdownConnection(conn); - - return opResult; - } - - @Override - public DocumentOperationResult updateDocument(String indexName, - DocumentStoreDataEntity document, - boolean allowImplicitIndexCreation) - throws DocumentStoreOperationException { - - if(!allowImplicitIndexCreation) { - - // Before we do anything, make sure that the specified index actually exists in the - // document store - we don't want to rely on ElasticSearch to fail the document - // create because it could be configured to implicitly create a non-existent index, - // which can lead to hard-to-debug behaviour with queries down the road. - OperationResult indexExistsResult = checkIndexExistence(indexName); - if ((indexExistsResult.getResultCode() < 200) || (indexExistsResult.getResultCode() >= 300)) { - - DocumentOperationResult opResult = new DocumentOperationResult(); - opResult.setResultCode(Status.NOT_FOUND.getStatusCode()); - opResult.setResult("Document Index '" + indexName + "' does not exist."); - opResult.setFailureCause("Document Index '" + indexName + "' does not exist."); - return opResult; - } - } - - DocumentOperationResult opResult = new DocumentOperationResult(); - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId() - + "?version=" + document.getVersion(), false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("PUT"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to PUT.", e); - } - - attachDocument(conn, document); - - logger.debug("Sending 'PUT' request to: " + conn.getURL()); - - handleResponse(conn, opResult); - buildDocumentResult(opResult, indexName); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.UPDATE_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName, - document.getId()); - - shutdownConnection(conn); - - return opResult; - } - - @Override - public DocumentOperationResult deleteDocument(String indexName, DocumentStoreDataEntity document) - throws DocumentStoreOperationException { - DocumentOperationResult opResult = new DocumentOperationResult(); - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId() - + "?version=" + document.getVersion(), false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("DELETE"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to DELETE.", e); - } - - logger.debug("\nSending 'DELETE' request to " + conn.getURL()); - - handleResponse(conn, opResult); - buildDocumentResult(opResult, indexName); - //supress the etag and url in response for delete as they are not required - if (opResult.getDocument() != null) { - opResult.getDocument().setEtag(null); - opResult.getDocument().setUrl(null); - } - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.DELETE_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResult()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResultCode()), - override, - indexName, - document.getId()); - - shutdownConnection(conn); - - return opResult; - } - - @Override - public DocumentOperationResult getDocument(String indexName, DocumentStoreDataEntity document) - throws DocumentStoreOperationException { - DocumentOperationResult opResult = new DocumentOperationResult(); - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = null; - if (document.getVersion() == null) { - fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId(), false); - } else { - fullUrl = getFullUrl("/" + indexName + "/" + DEFAULT_TYPE + "/" + document.getId() - + "?version=" + document.getVersion(), false); - } - HttpURLConnection conn = initializeConnection(fullUrl); - - logger.debug("\nSending 'GET' request to: " + conn.getURL()); - - handleResponse(conn, opResult); - buildDocumentResult(opResult, indexName); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.GET_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName, - document.getId()); - - shutdownConnection(conn); - - return opResult; - } - - public SearchOperationResult search(String indexName, String queryString) - throws DocumentStoreOperationException { - SearchOperationResult opResult = new SearchOperationResult(); - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - String fullUrl = getFullUrl("/" + indexName + "/_search" + "?" + queryString, false); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("GET"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to GET.", e); - } - - logger.debug("\nsearch(), Sending 'GET' request to URL : " + conn.getURL()); - - handleResponse(conn, opResult); - buildSearchResult(opResult, indexName); - - - metricsLogger.info(SearchDbMsgs.QUERY_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName, - queryString); - - return opResult; - } - - public SearchOperationResult searchWithPayload(String indexName, String query) - throws DocumentStoreOperationException { - SearchOperationResult opResult = new SearchOperationResult(); - - if (logger.isDebugEnabled()) { - logger.debug("Querying index: " + indexName + " with query string: " + query); - } - - // Initialize operation result with a failure codes / fault string - opResult.setResultCode(500); - opResult.setResult(INTERNAL_SERVER_ERROR_ELASTIC_SEARCH_OPERATION_FAULT); - - String fullUrl = getFullUrl("/" + indexName + "/_search", false); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("POST"); - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to POST.", e); - } - - attachContent(conn, query); - - logger.debug("\nsearch(), Sending 'POST' request to URL : " + conn.getURL()); - logger.debug("Request body = Elasticsearch query = " + query); - - handleResponse(conn, opResult); - buildSearchResult(opResult, indexName); - - metricsLogger.info(SearchDbMsgs.QUERY_DOCUMENT_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResult()), - override, - indexName, - query); - - shutdownConnection(conn); - - return opResult; - } - - private void attachContent(HttpURLConnection conn, String content) - throws DocumentStoreOperationException { - OutputStream outputStream = null; - OutputStreamWriter out = null; - - try { - outputStream = conn.getOutputStream(); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to get connection output stream.", e); - } - - out = new OutputStreamWriter(outputStream); - - try { - out.write(content); - out.close(); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to write to the output stream.", e); - } - } - - private HttpURLConnection initializeConnection(String fullUrl) - throws DocumentStoreOperationException { - URL url = null; - HttpURLConnection conn = null; - - try { - url = new URL(fullUrl); - } catch (MalformedURLException e) { - throw new DocumentStoreOperationException("Error building a URL with " + url, e); - } - - try { - conn = (HttpURLConnection) url.openConnection(); - conn.setDoOutput(true); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to open connection to URL " + url, e); - } - - return conn; - } - - private void handleResponse(HttpURLConnection conn, OperationResult opResult) - throws DocumentStoreOperationException { - int resultCode = 200; - - try { - resultCode = conn.getResponseCode(); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to get the response code from the connection.", e); - } - - logger.debug("Response Code : " + resultCode); - - InputStream inputStream = null; - - if (!(resultCode >= 200 && resultCode <= 299)) { // 2xx response indicates success - inputStream = conn.getErrorStream(); - } else { - try { - inputStream = conn.getInputStream(); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to get the response input stream.", e); - } - } - - InputStreamReader inputstreamreader = new InputStreamReader(inputStream); - BufferedReader bufferedreader = new BufferedReader(inputstreamreader); - - StringBuilder result = new StringBuilder(128); - String string = null; - - try { - while ((string = bufferedreader.readLine()) != null) { - result.append(string).append("\n"); - } - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed getting the response body payload.", e); - } - - if (resultCode == Status.CONFLICT.getStatusCode()) { - opResult.setResultCode(Status.PRECONDITION_FAILED.getStatusCode()); - } else { - opResult.setResultCode(resultCode); - } - if (logger.isDebugEnabled()) { - logger.debug("Raw result string from ElasticSearch = " + result.toString()); - } - opResult.setResult(result.toString()); - opResult.setResultVersion(extractVersion(result.toString())); - } - - private String extractVersion(String result) throws DocumentStoreOperationException { - - JSONParser parser = new JSONParser(); - String version = null; - try { - JSONObject root = (JSONObject) parser.parse(result); - if (root.get("_version") != null) { - version = root.get("_version").toString(); - } - - } catch (ParseException e) { - - // Not all responses from ElasticSearch include a version, so - // if we don't get one back, just return an empty string rather - // than trigger a false failure. - version = ""; - } - return version; - } - - /** - * This convenience method gets the current system time and stores - * it in an attribute in the supplied {@link MdcOverride} object so - * that it can be used later by the metrics logger. - * - * @param override - The {@link MdcOverride} object to update. - * @return - The supplied {@link MdcOverride} object. - */ - private MdcOverride getStartTime(MdcOverride override) { - - // Grab the current time... - long startTimeInMs = System.currentTimeMillis(); - - // ...and add it as an attribute to the supplied MDC Override - // object. - SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX"); - override.addAttribute(MdcContext.MDC_START_TIME, formatter.format(startTimeInMs)); - - // Return the MdcOverride object that we were passed. - // This looks odd, but it allows us to do stuff like: - // - // MdcOverride ov = getStartTime(new MdcOverride()) - // - // which is quite handy, but also allows us to pass in an existing - // MdcOverride object which already has some attributes set. - return override; - } - - private boolean isSuccess(OperationResult result) { - - return isSuccessCode(result.getResultCode()); - } - - - private boolean isSuccessCode(int statusCode) { - return ((statusCode >= 200) && (statusCode < 300)); - } - - - @Override - public OperationResult performBulkOperations(BulkRequest[] requests) - throws DocumentStoreOperationException { - - if (logger.isDebugEnabled()) { - String dbgString = "ESController: performBulkOperations - Operations: "; - - for (BulkRequest request : requests) { - dbgString += "[" + request.toString() + "] "; - } - - logger.debug(dbgString); - } - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - // Parse the supplied set of operations. - // Iterate over the list of operations which we were provided and - // translate them into a format that ElasticSearh understands. - int opCount = 0; - StringBuilder esOperationSet = new StringBuilder(128); - List<ElasticSearchResultItem> rejected = new ArrayList<ElasticSearchResultItem>(); - for (BulkRequest request : requests) { - - // Convert the request to the syntax ElasticSearch likes. - if (buildEsOperation(request, esOperationSet, rejected)) { - opCount++; - } - } - - ElasticSearchBulkOperationResult opResult = null; - if (opCount > 0) { - - // Open an HTTP connection to the ElasticSearch back end. - String fullUrl = getFullUrl("/_bulk", false); - URL url; - HttpURLConnection conn; - try { - - url = new URL(fullUrl); - conn = (HttpURLConnection) url.openConnection(); - conn.setRequestMethod("PUT"); - conn.setDoOutput(true); - conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); - conn.setRequestProperty("Connection", "Close"); - - } catch (IOException e) { - - logger.warn(SearchDbMsgs.BULK_OPERATION_FAILURE, e.getMessage()); - if (logger.isDebugEnabled()) { - logger.debug(Throwables.getStackTraceAsString(e)); - } - - throw new DocumentStoreOperationException("Failed to open connection to document store. Cause: " - + e.getMessage(), e); - } - - StringBuilder bulkResult = new StringBuilder(128); - try { - // Create an output stream to write our request to. - OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream()); - ; - - if (logger.isDebugEnabled()) { - logger.debug("ESController: Sending 'BULK' request to " + conn.getURL()); - logger.debug("ESController: operations: " + esOperationSet.toString().replaceAll("\n", - "\\n")); - } - - // Write the resulting request string to our output stream. (this sends the request to ES?) - out.write(esOperationSet.toString()); - out.close(); - - // Open an input stream on our connection in order to read back the results. - InputStream is = conn.getInputStream(); - InputStreamReader inputstreamreader = new InputStreamReader(is); - BufferedReader bufferedreader = new BufferedReader(inputstreamreader); - - // Read the contents of the input stream into our result string... - String esResponseString = null; - - while ((esResponseString = bufferedreader.readLine()) != null) { - bulkResult.append(esResponseString).append("\n"); - } - - } catch (IOException e) { - - logger.warn(SearchDbMsgs.BULK_OPERATION_FAILURE, e.getMessage()); - if (logger.isDebugEnabled()) { - StringWriter sw = new StringWriter(); - e.printStackTrace(new PrintWriter(sw)); - logger.debug(sw.toString()); - } - - throw new DocumentStoreOperationException("Failure interacting with document store. Cause: " - + e.getMessage(), e); - } - - if (logger.isDebugEnabled()) { - logger.debug("ESController: Received result string from ElasticSearch: = " - + bulkResult.toString()); - } - - // ...and marshal the resulting string into a Java object. - try { - opResult = marshallEsBulkResult(bulkResult.toString()); - - } catch (IOException e) { - - logger.warn(SearchDbMsgs.BULK_OPERATION_FAILURE, e.getMessage()); - if (logger.isDebugEnabled()) { - logger.debug(Throwables.getStackTraceAsString(e)); - } - - throw new DocumentStoreOperationException("Failed to marshal response body. Cause: " - + e.getMessage(), e); - } - } - - // Finally, build the operation result and return it to the caller. - OperationResult result = new OperationResult(); - result.setResultCode(207); - result.setResult(buildGenericBulkResultSet(opResult, rejected)); - - // In the success case we don't want the entire result string to be - // dumped into the metrics log, so concatenate it. - String resultStringForMetricsLog = result.getResult(); - if ((result.getResultCode() >= 200) && (result.getResultCode() < 300)) { - resultStringForMetricsLog = resultStringForMetricsLog.substring(0, - Math.max(resultStringForMetricsLog.length(), 85)) + "..."; - } - - metricsLogger.info(SearchDbMsgs.BULK_OPERATIONS_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, result.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, resultStringForMetricsLog), - override); - - return result; - } - - - /** - * This method converts a {@link BulkRequest} object into a json structure - * which can be understood by ElasticSearch. - * - * @param request - The request to be performed. - * @param sb - The string builder to append the json data to - * @throws DocumentStoreOperationException - */ - private boolean buildEsOperation(BulkRequest request, StringBuilder sb, - List<ElasticSearchResultItem> fails) - throws DocumentStoreOperationException { - - boolean retVal = true; - OperationResult indexExistsResult = null; - - // What kind of operation are we performing? - switch (request.getOperationType()) { - - // Create a new document. - case CREATE: - - // Make sure that we were supplied a document payload. - if (request.getOperation().getDocument() == null) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Missing document payload", - request.getIndex(), - request.getId(), - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Make sure that the supplied document URL is formatted - // correctly. - if (!ApiUtils.validateDocumentUri(request.getOperation().getMetaData().getUrl(), false)) { - fails.add(generateRejectionEntry(request.getOperationType(), - "Invalid document URL: " + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - "", - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Validate that the specified index actually exists before we - // try to perform the create. - if (!indexExists(ApiUtils.extractIndexFromUri(request.getOperation().getMetaData().getUrl()))) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Specified resource does not exist: " - + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - request.getId(), - 404, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // If we were supplied an id for the new document, then - // include it in the bulk operation to Elastic Search - if (request.getId() == null) { - - sb.append(String.format(BULK_CREATE_WITHOUT_INDEX_TEMPLATE, - request.getIndex(), - DEFAULT_TYPE)); - - // Otherwise, we just leave that parameter off and ElasticSearch - // will generate one for us. - } else { - sb.append(String.format(BULK_CREATE_WITH_INDEX_TEMPLATE, - request.getIndex(), - DEFAULT_TYPE, - request.getId())); - } - - try { - // Append the document that we want to create. - sb.append(request.getOperation().getDocument().toJson()).append("\n"); - } catch (JsonProcessingException e) { - throw new DocumentStoreOperationException("Failure parsing document to json", e); - } - - break; - - // Update an existing document. - case UPDATE: - - // Make sure that we were supplied a document payload. - if (request.getOperation().getDocument() == null) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Missing document payload", - request.getIndex(), - request.getId(), - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Make sure that the supplied document URL is formatted - // correctly. - if (!ApiUtils.validateDocumentUri(request.getOperation().getMetaData().getUrl(), true)) { - fails.add(generateRejectionEntry(request.getOperationType(), - "Invalid document URL: " + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - "", - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Validate that the specified index actually exists before we - // try to perform the update. - if (!indexExists(request.getIndex())) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Specified resource does not exist: " - + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - request.getId(), - 404, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Validate that the document we are trying to update actually - // exists before we try to perform the update. - if (!documentExists(request.getIndex(), request.getId())) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Specified resource does not exist: " - + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - request.getId(), - 404, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // It is mandatory that a version be supplied for an update operation, - // so validate that now. - if (request.getOperation().getMetaData().getEtag() == null) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Missing mandatory ETag field", - request.getIndex(), - request.getId(), - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Generate the update request... - sb.append(String.format(BULK_IMPORT_INDEX_TEMPLATE, - request.getIndex(), - DEFAULT_TYPE, - request.getId(), - request.getOperation().getMetaData().getEtag())); - - // ...and append the document that we want to update. - try { - sb.append(request.getOperation().getDocument().toJson()).append("\n"); - } catch (JsonProcessingException e) { - throw new DocumentStoreOperationException("Failure parsing document to json", e); - } - break; - - // Delete an existing document. - case DELETE: - - // Make sure that the supplied document URL is formatted - // correctly. - if (!ApiUtils.validateDocumentUri(request.getOperation().getMetaData().getUrl(), true)) { - fails.add(generateRejectionEntry(request.getOperationType(), - "Invalid document URL: " + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - "", - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Validate that the specified index actually exists before we - // try to perform the delete. - if (!indexExists(request.getIndex())) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Specified resource does not exist: " - + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - request.getId(), - 404, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Validate that the document we are trying to update actually - // exists before we try to perform the delete. - if (!documentExists(request.getIndex(), request.getId())) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Specified resource does not exist: " - + request.getOperation().getMetaData().getUrl(), - request.getIndex(), - request.getId(), - 404, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // It is mandatory that a version be supplied for a delete operation, - // so validate that now. - if (request.getOperation().getMetaData().getEtag() == null) { - - fails.add(generateRejectionEntry(request.getOperationType(), - "Missing mandatory ETag field", - request.getIndex(), - request.getId(), - 400, - request.getOperation().getMetaData().getUrl())); - return false; - } - - // Generate the delete request. - sb.append(String.format(BULK_DELETE_TEMPLATE, - request.getIndex(), - DEFAULT_TYPE, - request.getId(), - request.getOperation().getMetaData().getEtag())); - break; - default: - } - - return retVal; - } - - private boolean indexExists(String index) throws DocumentStoreOperationException { - - OperationResult indexExistsResult = checkIndexExistence(index); - - return ((indexExistsResult.getResultCode() >= 200) - && (indexExistsResult.getResultCode() < 300)); - } - - private boolean documentExists(String index, String id) throws DocumentStoreOperationException { - - OperationResult docExistsResult = checkDocumentExistence(index, id); - - return ((docExistsResult.getResultCode() >= 200) && (docExistsResult.getResultCode() < 300)); - } - - /** - * This method constructs a status entry for a bulk operation which has - * been rejected before even sending it to the document store. - * - * @param rejectReason - A message describing why the operation was rejected. - * @param anId - The identifier associated with the document being - * acted on. - * @param statusCode - An HTTP status code. - * @return - A result set item. - */ - private ElasticSearchResultItem generateRejectionEntry(OperationType opType, - String rejectReason, - String index, - String anId, - int statusCode, - String originalUrl) { - - ElasticSearchError err = new ElasticSearchError(); - err.setReason(rejectReason); - - ElasticSearchOperationStatus op = new ElasticSearchOperationStatus(); - op.setIndex(index); - op.setId(anId); - op.setStatus(statusCode); - op.setError(err); - op.setAdditionalProperties(ElasticSearchResultItem.REQUEST_URL, originalUrl); - - ElasticSearchResultItem rejectionResult = new ElasticSearchResultItem(); - - switch (opType) { - case CREATE: - rejectionResult.setCreate(op); - break; - case UPDATE: - rejectionResult.setIndex(op); - break; - case DELETE: - rejectionResult.setDelete(op); - break; - default: - } - - return rejectionResult; - } - - - /** - * This method takes the json structure returned from ElasticSearch in - * response to a bulk operations request and marshals it into a Java - * object. - * - * @param jsonResult - The bulk operations response returned from - * ElasticSearch. - * @return - The marshalled response. - * @throws JsonParseException - * @throws JsonMappingException - * @throws IOException - */ - private ElasticSearchBulkOperationResult marshallEsBulkResult(String jsonResult) - throws JsonParseException, JsonMappingException, IOException { - - if (jsonResult != null) { - if (logger.isDebugEnabled()) { - logger.debug("ESController: Marshalling ES result set from json: " - + jsonResult.replaceAll("\n", "")); - } - - ObjectMapper mapper = new ObjectMapper(); - mapper.setSerializationInclusion(Include.NON_EMPTY); - - return mapper.readValue(jsonResult, ElasticSearchBulkOperationResult.class); - } - - return null; - } - - - /** - * This method takes the marshalled ElasticSearch bulk response and - * converts it into a generic response payload. - * - * @param esResult - ElasticSearch bulk operations response. - * @return - A generic result set. - */ - private String buildGenericBulkResultSet(ElasticSearchBulkOperationResult esResult, - List<ElasticSearchResultItem> rejectedOps) { - - int totalOps = 0; - int totalSuccess = 0; - int totalFails = 0; - - if (logger.isDebugEnabled()) { - - logger.debug("ESController: Build generic result set. ES Results: " - + ((esResult != null) ? esResult.toString() : "[]") - + " Rejected Ops: " + rejectedOps.toString()); - } - - // Build a combined list of result items from the results returned - // from ElasticSearch and the list of operations that we rejected - // without sending to ElasticSearch. - List<ElasticSearchResultItem> combinedResults = new ArrayList<ElasticSearchResultItem>(); - if (esResult != null) { - combinedResults.addAll(Arrays.asList(esResult.getItems())); - } - combinedResults.addAll(rejectedOps); - - // Iterate over the individual results in the resulting result set. - StringBuilder resultsBuilder = new StringBuilder(); - AtomicBoolean firstItem = new AtomicBoolean(true); - for (ElasticSearchResultItem item : combinedResults) { - - // Increment the operation counts. - totalOps++; - if (isSuccessCode(item.operationStatus().getStatus())) { - totalSuccess++; - } else { - totalFails++; - } - - // Prepend a comma to our response string unless this it the - // first result in the set. - if (!firstItem.compareAndSet(true, false)) { - resultsBuilder.append(", "); - } - - // Append the current result as a generic json structure. - resultsBuilder.append(item.toJson()); - } - - // Now, build the result string and return it. - String responseBody = "{ \"total_operations\": " + totalOps + ", " - + "\"total_success\": " + totalSuccess + ", " - + "\"total_fails\": " + totalFails + ", " - + "\"results\": [" - + resultsBuilder.toString() - + "]}"; - - return responseBody; - } - - - /** - * This method queryies ElasticSearch to determine if the supplied - * index is present in the document store. - * - * @param indexName - The index to look for. - * @return - An operation result indicating the success or failure of - * the check. - * @throws DocumentStoreOperationException - */ - public OperationResult checkIndexExistence(String indexName) - throws DocumentStoreOperationException { - - // Initialize operation result with a failure codes / fault string - OperationResult opResult = new OperationResult(); - opResult.setResultCode(500); - - // Grab the current time so we can use it to generate a metrics log. - MdcOverride override = getStartTime(new MdcOverride()); - - String fullUrl = getFullUrl("/" + indexName, false); - HttpURLConnection conn = initializeConnection(fullUrl); - - try { - conn.setRequestMethod("HEAD"); - - } catch (ProtocolException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to set HTTP request method to HEAD.", e); - } - - logger.debug("Sending 'HEAD' request to: " + conn.getURL()); - - int resultCode; - try { - resultCode = conn.getResponseCode(); - } catch (IOException e) { - shutdownConnection(conn); - throw new DocumentStoreOperationException("Failed to get the response code from the connection.", e); - } - logger.debug("Response Code : " + resultCode); - - opResult.setResultCode(resultCode); - - // Generate a metrics log so we can track how long the operation took. - metricsLogger.info(SearchDbMsgs.CHECK_INDEX_TIME, - new LogFields() - .setField(LogLine.DefinedFields.RESPONSE_CODE, opResult.getResultCode()) - .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, opResult.getResultCode()), - override, - indexName); - - shutdownConnection(conn); - - return opResult; - } - - - private void buildDocumentResult(DocumentOperationResult result, String index) - throws DocumentStoreOperationException { - - JSONParser parser = new JSONParser(); - JSONObject root; - try { - root = (JSONObject) parser.parse(result.getResult()); - - if (result.getResultCode() >= 200 && result.getResultCode() <= 299) { - // Success response object - Document doc = new Document(); - doc.setEtag(result.getResultVersion()); - doc.setUrl(buildDocumentResponseUrl(index, root.get("_id").toString())); - - doc.setContent((JSONObject) root.get("_source")); - result.setDocument(doc); - - } else { - // Error response object - JSONObject error = (JSONObject) root.get("error"); - if (error != null) { - result.setError(new ErrorResult(error.get("type").toString(), - error.get("reason").toString())); - } - - } - } catch (Exception e) { - throw new DocumentStoreOperationException("Failed to parse Elastic Search response." - + result.getResult()); - } - - - } - - private String buildDocumentResponseUrl(String index, String id) { - return ApiUtils.buildDocumentUri(index, id); - } - - private void buildSearchResult(SearchOperationResult result, String index) - throws DocumentStoreOperationException { - - JSONParser parser = new JSONParser(); - JSONObject root; - - try { - root = (JSONObject) parser.parse(result.getResult()); - if (result.getResultCode() >= 200 && result.getResultCode() <= 299) { - JSONObject hits = (JSONObject) root.get("hits"); - JSONArray hitArray = (JSONArray) hits.get("hits"); - SearchHits searchHits = new SearchHits(); - searchHits.setTotalHits(hits.get("total").toString()); - ArrayList<SearchHit> searchHitArray = new ArrayList<SearchHit>(); - - for (int i = 0; i < hitArray.size(); i++) { - JSONObject hit = (JSONObject) hitArray.get(i); - SearchHit searchHit = new SearchHit(); - searchHit.setScore((hit.get("_score") != null) ? hit.get("_score").toString() : ""); - Document doc = new Document(); - if (hit.get("_version") != null) { - doc.setEtag((hit.get("_version") != null) ? hit.get("_version").toString() : ""); - } - - doc.setUrl(buildDocumentResponseUrl(index, (hit.get("_id") != null) - ? hit.get("_id").toString() : "")); - doc.setContent((JSONObject) hit.get("_source")); - searchHit.setDocument(doc); - searchHitArray.add(searchHit); - } - searchHits.setHits(searchHitArray.toArray(new SearchHit[searchHitArray.size()])); - result.setSearchResult(searchHits); - - JSONObject aggregations = (JSONObject) root.get("aggregations"); - if (aggregations != null) { - AggregationResult[] aggResults = - AggregationParsingUtil.parseAggregationResults(aggregations); - AggregationResults aggs = new AggregationResults(); - aggs.setAggregations(aggResults); - result.setAggregationResult(aggs); - } - - // success - } else { - JSONObject error = (JSONObject) root.get("error"); - if (error != null) { - result.setError(new ErrorResult(error.get("type").toString(), - error.get("reason").toString())); - } - } - } catch (Exception e) { - throw new DocumentStoreOperationException("Failed to parse Elastic Search response." - + result.getResult()); - } - - } - -} |