| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.rya.indexing.pcj.storage; |
| |
| import java.util.Objects; |
| |
| import org.apache.commons.lang3.builder.EqualsBuilder; |
| import org.apache.rya.indexing.pcj.storage.accumulo.VariableOrder; |
| |
| import com.google.common.base.Preconditions; |
| |
| /** |
| * Metadata for a given PeriodicQueryStorage table. |
| */ |
| public class PeriodicQueryStorageMetadata { |
| |
| private String sparql; |
| private VariableOrder varOrder; |
| |
| /** |
| * Create a PeriodicQueryStorageMetadata object |
| * @param sparql - SPARQL query whose results are stored in table |
| * @param varOrder - order that BindingSet values are written in in table |
| */ |
| public PeriodicQueryStorageMetadata(String sparql, VariableOrder varOrder) { |
| this.sparql = Preconditions.checkNotNull(sparql); |
| this.varOrder = Preconditions.checkNotNull(varOrder); |
| } |
| |
| /** |
| * Copy constructor. |
| * @param metadata - PeriodicQueryStorageMetadata object whose data is copied |
| */ |
| public PeriodicQueryStorageMetadata(PcjMetadata metadata) { |
| this(metadata.getSparql(), metadata.getVarOrders().iterator().next()); |
| } |
| |
| |
| /** |
| * @return SPARQL query whose results are stored in the table |
| */ |
| public String getSparql() { |
| return sparql; |
| } |
| |
| /** |
| * @return VariableOrder indicating the order that BindingSet Values are written in in table |
| */ |
| public VariableOrder getVariableOrder() { |
| return varOrder; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(sparql, varOrder); |
| } |
| |
| @Override |
| public boolean equals(final Object o) { |
| if (o == this) { |
| return true; |
| } |
| |
| if (o instanceof PeriodicQueryStorageMetadata) { |
| PeriodicQueryStorageMetadata metadata = (PeriodicQueryStorageMetadata) o; |
| return new EqualsBuilder().append(sparql, metadata.sparql).append(varOrder, metadata.varOrder).isEquals(); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder() |
| .append("PeriodicQueryStorageMetadata {\n") |
| .append(" SPARQL: " + sparql + "\n") |
| .append(" Variable Order: " + varOrder + "\n") |
| .append("}") |
| .toString(); |
| } |
| |
| |
| } |