org.apache.rya.streams.api.entity.StreamsQuery Maven / Gradle / Ivy
/**
* 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.streams.api.entity;
import static java.util.Objects.requireNonNull;
import java.util.Objects;
import java.util.UUID;
import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
import edu.umd.cs.findbugs.annotations.NonNull;
/**
* A SPARQL query that is being processed within Rya Streams.
*/
@DefaultAnnotation(NonNull.class)
public class StreamsQuery {
private final UUID queryId;
private final String sparql;
private final boolean isActive;
/**
* Constructs an instance of {@link StreamsQuery}.
*
* @param queryId - Uniquely identifies the query within Rya Streams. (not null)
* @param sparql - The SPARQL query that defines how statements will be processed. (not null)
* @param isActive - {@code true} if Rya Streams should process this query; otherwise {@code false}.
*/
public StreamsQuery(final UUID queryId, final String sparql, final boolean isActive) {
this.queryId = requireNonNull(queryId);
this.sparql = requireNonNull(sparql);
this.isActive = isActive;
}
/**
* @return Uniquely identifies the query within Rya Streams.
*/
public UUID getQueryId() {
return queryId;
}
/**
* @return The SPARQL query that defines how statements will be processed.
*/
public String getSparql() {
return sparql;
}
/**
* @return {@code true} if Rya Streams should process this query; otherwise {@code false}.
*/
public boolean isActive() {
return isActive;
}
@Override
public int hashCode() {
return Objects.hash(queryId, sparql, isActive);
}
@Override
public boolean equals(final Object o) {
if(o instanceof StreamsQuery) {
final StreamsQuery other = (StreamsQuery) o;
return Objects.equals(queryId, other.queryId) &&
Objects.equals(sparql, other.sparql) &&
isActive == other.isActive;
}
return false;
}
}