| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * 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. |
| */ |
| package org.onosproject.ovsdb.rfc.operations; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.List; |
| |
| import org.onosproject.ovsdb.rfc.notation.Condition; |
| import org.onosproject.ovsdb.rfc.schema.TableSchema; |
| |
| import com.fasterxml.jackson.annotation.JsonIgnore; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| |
| /** |
| * select operation.Refer to RFC 7047 Section 5.2. |
| */ |
| public final class Select implements Operation { |
| |
| @JsonIgnore |
| private final TableSchema tableSchema; |
| private final String op; |
| private final List<Condition> where; |
| private final List<String> columns; |
| |
| /** |
| * Constructs a Select object. |
| * @param schema TableSchema entity |
| * @param where the List of Condition entity |
| * @param columns the List of column name |
| */ |
| public Select(TableSchema schema, List<Condition> where, List<String> columns) { |
| checkNotNull(schema, "TableSchema cannot be null"); |
| checkNotNull(where, "where cannot be null"); |
| checkNotNull(columns, "columns cannot be null"); |
| this.tableSchema = schema; |
| this.op = Operations.SELECT.op(); |
| this.where = where; |
| this.columns = columns; |
| } |
| |
| /** |
| * Returns the columns member of select operation. |
| * @return the columns member of select operation |
| */ |
| public List<String> getColumns() { |
| return columns; |
| } |
| |
| /** |
| * Returns the where member of select operation. |
| * @return the where member of select operation |
| */ |
| public List<Condition> getWhere() { |
| return where; |
| } |
| |
| @Override |
| public String getOp() { |
| return op; |
| } |
| |
| @Override |
| public TableSchema getTableSchema() { |
| return tableSchema; |
| } |
| |
| /** |
| * For the use of serialization. |
| * @return the table member of update operation |
| */ |
| @JsonProperty |
| public String getTable() { |
| return tableSchema.name(); |
| } |
| } |