+++ /dev/null
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * Modifications Copyright (C) 2019 IBM
- * ===================================================================
- * 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=============================================
- * ====================================================================
- */
-
-package org.onap.music.datastore.jsonobjects;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.ObjectOutput;
-import java.io.ObjectOutputStream;
-import java.io.Serializable;
-import java.util.List;
-import java.util.Map;
-
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response.Status;
-
-import org.onap.music.datastore.MusicDataStoreHandle;
-import org.onap.music.datastore.PreparedQueryObject;
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.AppMessages;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-import org.onap.music.exceptions.MusicQueryException;
-import org.onap.music.exceptions.MusicServiceException;
-import org.onap.music.main.MusicUtil;
-
-import com.datastax.driver.core.DataType;
-import com.datastax.driver.core.TableMetadata;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-
-@JsonIgnoreProperties(ignoreUnknown = true)
-public class JsonSelect implements Serializable {
- private Map<String, String> consistencyInfo;
- private String keyspaceName;
- private String tableName;
- private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(JsonSelect.class);
-
-
-
- public Map<String, String> getConsistencyInfo() {
- return consistencyInfo;
- }
-
- public void setConsistencyInfo(Map<String, String> consistencyInfo) {
- this.consistencyInfo = consistencyInfo;
- }
-
- public String getKeyspaceName() {
- return keyspaceName;
- }
-
- public void setKeyspaceName(String keyspaceName) {
- this.keyspaceName = keyspaceName;
- }
-
- public String getTableName() {
- return tableName;
- }
-
- public void setTableName(String tableName) {
- this.tableName = tableName;
- }
-
- public byte[] serialize() {
- ByteArrayOutputStream bos = new ByteArrayOutputStream();
- ObjectOutput out = null;
- try {
- out = new ObjectOutputStream(bos);
- out.writeObject(this);
- } catch (IOException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(), e);
- }
- return bos.toByteArray();
- }
-
- /**
- * genSelectQuery
- *
- * @return
- * @throws MusicQueryException
- */
- public PreparedQueryObject genSelectQuery(MultivaluedMap<String, String> rowParams) throws MusicQueryException {
-
- if((this.getKeyspaceName() == null || this.getKeyspaceName().isEmpty())
- || (this.getTableName() == null || this.getTableName().isEmpty())){
- throw new MusicQueryException("one or more path parameters are not set, please check and try again",
- Status.BAD_REQUEST.getStatusCode());
- }
- EELFLoggerDelegate.mdcPut("keyspace", "( " + this.getKeyspaceName() + " ) ");
- PreparedQueryObject queryObject = new PreparedQueryObject();
-
- if (rowParams.isEmpty()) { // select all
- queryObject.appendQueryString("SELECT * FROM " + this.getKeyspaceName() + "." + this.getTableName() + ";");
- } else {
- int limit = -1; // do not limit the number of results
- try {
- queryObject = selectSpecificQuery(this.getKeyspaceName(), this.getTableName(), rowParams, limit);
- } catch (MusicServiceException ex) {
- logger.error(EELFLoggerDelegate.errorLogger, ex, AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN,
- ErrorTypes.GENERALSERVICEERROR, ex);
-
- throw new MusicQueryException(ex.getMessage(), Status.BAD_REQUEST.getStatusCode());
- }
- }
-
- return queryObject;
- }
-
- public PreparedQueryObject selectSpecificQuery(String keyspace,
- String tablename, MultivaluedMap<String, String> rowParams, int limit)
- throws MusicServiceException {
- PreparedQueryObject queryObject = new PreparedQueryObject();
- StringBuilder rowIdString = getRowIdentifier(keyspace,
- tablename,rowParams,queryObject).rowIdString;
- queryObject.appendQueryString(
- "SELECT * FROM " + keyspace + "." + tablename + " WHERE " + rowIdString);
- if (limit != -1) {
- queryObject.appendQueryString(" LIMIT " + limit);
- }
- queryObject.appendQueryString(";");
- return queryObject;
- }
-
- private class RowIdentifier {
- public String primarKeyValue;
- public StringBuilder rowIdString;
- @SuppressWarnings("unused")
- public PreparedQueryObject queryObject; // the string with all the row
- // identifiers separated by AND
-
- public RowIdentifier(String primaryKeyValue, StringBuilder rowIdString,
- PreparedQueryObject queryObject) {
- this.primarKeyValue = primaryKeyValue;
- this.rowIdString = rowIdString;
- this.queryObject = queryObject;
- }
- }
-
- /**
- *
- * @param keyspace
- * @param tablename
- * @param rowParams
- * @param queryObject
- * @return
- * @throws MusicServiceException
- */
- private RowIdentifier getRowIdentifier(String keyspace, String tablename,
- MultivaluedMap<String, String> rowParams, PreparedQueryObject queryObject)
- throws MusicServiceException {
- StringBuilder rowSpec = new StringBuilder();
- int counter = 0;
- TableMetadata tableInfo = MusicDataStoreHandle.returnColumnMetadata(keyspace, tablename);
- if (tableInfo == null) {
- logger.error(EELFLoggerDelegate.errorLogger,
- "Table information not found. Please check input for table name= "
- + keyspace + "." + tablename);
- throw new MusicServiceException(
- "Table information not found. Please check input for table name= "
- + keyspace + "." + tablename);
- }
- StringBuilder primaryKey = new StringBuilder();
- for (MultivaluedMap.Entry<String, List<String>> entry : rowParams.entrySet()) {
- String keyName = entry.getKey();
- List<String> valueList = entry.getValue();
- String indValue = valueList.get(0);
- DataType colType = null;
- Object formattedValue = null;
- try {
- colType = tableInfo.getColumn(entry.getKey()).getType();
- formattedValue = MusicUtil.convertToActualDataType(colType, indValue);
- } catch (Exception e) {
- logger.error(EELFLoggerDelegate.errorLogger,e);
- }
- if(tableInfo.getPrimaryKey().get(0).getName().equals(entry.getKey())) {
- primaryKey.append(indValue);
- }
- rowSpec.append(keyName + "= ?");
- queryObject.addValue(formattedValue);
- if (counter != rowParams.size() - 1) {
- rowSpec.append(" AND ");
- }
- counter = counter + 1;
- }
- return new RowIdentifier(primaryKey.toString(), rowSpec, queryObject);
- }
-
-}
Code Review / music.git / blobdiff