001/*
002 *    GeoAPI - Java interfaces for OGC/ISO standards
003 *    Copyright © 2009-2023 Open Geospatial Consortium, Inc.
004 *    http://www.geoapi.org
005 *
006 *    Licensed under the Apache License, Version 2.0 (the "License");
007 *    you may not use this file except in compliance with the License.
008 *    You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *    Unless required by applicable law or agreed to in writing, software
013 *    distributed under the License is distributed on an "AS IS" BASIS,
014 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 *    See the License for the specific language governing permissions and
016 *    limitations under the License.
017 */
018package org.opengis.metadata.acquisition;
019
020import java.util.Collection;
021import java.util.Collections;
022
023import org.opengis.annotation.UML;
024
025import static org.opengis.annotation.Obligation.*;
026import static org.opengis.annotation.Specification.*;
027
028
029/**
030 * Designations for the measuring instruments, the platform carrying them, and the mission to
031 * which the data contributes.
032 *
033 * @author  Cédric Briançon (Geomatys)
034 * @version 3.1
035 * @since   2.3
036 */
037@UML(identifier="MI_AcquisitionInformation", specification=ISO_19115_2)
038public interface AcquisitionInformation {
039    /**
040     * Identifies the plan as implemented by the acquisition.
041     *
042     * @return plan as implemented by the acquisition.
043     */
044    @UML(identifier="acquisitionPlan", obligation=OPTIONAL, specification=ISO_19115_2)
045    default Collection<? extends Plan> getAcquisitionPlans() {
046        return Collections.emptyList();
047    }
048
049    /**
050     * Identifies the requirement the data acquisition intends to satisfy.
051     *
052     * @return requirement the data acquisition intends to satisfy.
053     */
054    @UML(identifier="acquisitionRequirement", obligation=OPTIONAL, specification=ISO_19115_2)
055    default Collection<? extends Requirement> getAcquisitionRequirements() {
056        return Collections.emptyList();
057    }
058
059    /**
060     * A record of the environmental circumstances during the data acquisition.
061     *
062     * @return record of the environmental circumstances, or {@code null}.
063     */
064    @UML(identifier="environmentalConditions", obligation=OPTIONAL, specification=ISO_19115_2)
065    default EnvironmentalRecord getEnvironmentalConditions() {
066        return null;
067    }
068
069    /**
070     * General information about the instrument used in data acquisition.
071     *
072     * @return instrument used in data acquisition.
073     */
074    @UML(identifier="instrument", obligation=OPTIONAL, specification=ISO_19115_2)
075    default Collection<? extends Instrument> getInstruments() {
076        return Collections.emptyList();
077    }
078
079    /**
080     * Identification of the area or object to be sensed.
081     *
082     * @return area or object to be sensed.
083     */
084    @UML(identifier="objective", obligation=OPTIONAL, specification=ISO_19115_2)
085    default Collection<? extends Objective> getObjectives() {
086        return Collections.emptyList();
087    }
088
089    /**
090     * General information about an identifiable activity which provided the data.
091     *
092     * @return identifiable activity which provided the data.
093     */
094    @UML(identifier="operation", obligation=OPTIONAL, specification=ISO_19115_2)
095    default Collection<? extends Operation> getOperations() {
096        return Collections.emptyList();
097    }
098
099    /**
100     * General information about the platform from which the data were taken.
101     *
102     * @return platform from which the data were taken.
103     */
104    @UML(identifier="platform", obligation=OPTIONAL, specification=ISO_19115_2)
105    default Collection<? extends Platform> getPlatforms() {
106        return Collections.emptyList();
107    }
108}