diff options
Diffstat (limited to 'openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/main/java/org/openecomp/core/nosqldb/impl/cassandra/CassandraNoSqlDbImpl.java')
-rw-r--r-- | openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/main/java/org/openecomp/core/nosqldb/impl/cassandra/CassandraNoSqlDbImpl.java | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/main/java/org/openecomp/core/nosqldb/impl/cassandra/CassandraNoSqlDbImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/main/java/org/openecomp/core/nosqldb/impl/cassandra/CassandraNoSqlDbImpl.java new file mode 100644 index 0000000000..bcac5f8d79 --- /dev/null +++ b/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/main/java/org/openecomp/core/nosqldb/impl/cassandra/CassandraNoSqlDbImpl.java @@ -0,0 +1,104 @@ +/*- + * ============LICENSE_START======================================================= + * SDC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. 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://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.openecomp.core.nosqldb.impl.cassandra; + +import com.datastax.driver.core.BoundStatement; +import com.datastax.driver.core.PreparedStatement; +import com.datastax.driver.core.ResultSet; +import com.datastax.driver.core.Session; +import com.datastax.driver.mapping.MappingManager; +import org.openecomp.core.nosqldb.api.NoSqlDb; +import org.openecomp.core.nosqldb.util.CassandraUtils; +import org.openecomp.core.utilities.CommonMethods; +import org.openecomp.sdc.common.errors.CoreException; +import org.openecomp.sdc.common.errors.ErrorCategory; +import org.openecomp.sdc.common.errors.ErrorCode; + +class CassandraNoSqlDbImpl implements NoSqlDb { + + private final Session session; + private final String keySpace; + private final MappingManager mappingManager; + + + public CassandraNoSqlDbImpl(Session session) { + this.session = session; + this.keySpace = this.session.getLoggedKeyspace(); + this.mappingManager = new MappingManager(this.session); + + } + + @Override + public void insert(String tableName, String[] colNames, Object[] values) { + if (colNames.length != values.length) { + throw new CoreException((new ErrorCode.ErrorCodeBuilder()).withMessage( + "number of colmuns[" + colNames.length + "] is not equal to the number of values[" + + values.length + "].").withId("E0005").withCategory(ErrorCategory.APPLICATION) + .build()); + } + + StringBuilder sb = new StringBuilder(); + sb.append("insert into ") + .append(tableName) + .append(" (") + .append(CommonMethods.arrayToCommaSeparatedString(colNames)) + .append(") values (") + .append(CommonMethods.duplicateStringWithDelimiter("?", ',', values.length)) + .append(")"); + System.out.println(sb.toString()); + PreparedStatement prepared = session.prepare(sb.toString()); + + BoundStatement bound; + bound = prepared.bind(values); + session.execute(bound); + + } + + @Override + public ResultSet execute(String statement) { + return session.execute(statement); + } + + @Override + public ResultSet execute(String statementName, Object... values) { + + String statement = CassandraUtils.getStatement(statementName); + if (statement == null) { + statement = statementName; + } + if (values != null) { + PreparedStatement prepared = session.prepare(statement); + + BoundStatement bound; + bound = prepared.bind(values); + return session.execute(bound); + } else { + return session.execute(statement); + } + + } + + @Override + public MappingManager getMappingManager() { + return mappingManager; + } + +} |