ai.djl.repository.Metadata Maven / Gradle / Ivy
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/*
* Copyright 2019 Amazon.com, Inc. or its affiliates. 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. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 ai.djl.repository;
import java.net.URI;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* A {@code Metadata} is a collection of {@link Artifact}s with unified metadata (including {@link
* MRL}) that are stored in the same "metadata.json" file.
*
* All of the artifacts located within the metadata share the data defined at the metadata level
* such as name, description, and website. The key difference between the artifacts within the same
* metadata are the properties.
*
* @see Repository
*/
public class Metadata {
private String metadataVersion;
private String groupId;
private String artifactId;
private String name;
private String description;
private String website;
private List artifacts;
private String checksum;
private Date lastUpdated;
private transient URI repositoryUri;
/**
* Returns the artifacts matching the version and property requirements.
*
* @param versionRange the version range for the artifact
* @param filter the property filter
* @return the matching artifacts
*/
public List search(VersionRange versionRange, Map filter) {
List results = versionRange.matches(artifacts);
if (filter == null) {
return results;
}
return results.stream().filter(a -> a.hasProperties(filter)).collect(Collectors.toList());
}
/**
* Returns the metadata format version.
*
* @return the metadata format version
*/
public String getMetadataVersion() {
return metadataVersion;
}
/**
* Sets the metadata format version.
*
* @param metadataVersion the new version
*/
public void setMetadataVersion(String metadataVersion) {
this.metadataVersion = metadataVersion;
}
/**
* Returns the groupId.
*
* @return the groupId
*/
public String getGroupId() {
return groupId;
}
/**
* Sets the groupId.
*
* @param groupId the new groupId
*/
public void setGroupId(String groupId) {
this.groupId = groupId;
}
/**
* Returns the artifactId.
*
* @return the artifactId
*/
public String getArtifactId() {
return artifactId;
}
/**
* Sets the artifactId.
*
* @param artifactId the new artifactId
*/
public void setArtifactId(String artifactId) {
this.artifactId = artifactId;
}
/**
* Returns the metadata-level name.
*
* @return the metadata-level name
*/
public String getName() {
return name;
}
/**
* Sets the metadata-level name.
*
* @param name the new metadata-level name
*/
public void setName(String name) {
this.name = name;
}
/**
* Returns the description.
*
* @return the description
*/
public String getDescription() {
return description;
}
/**
* Sets the description.
*
* @param description the description
*/
public void setDescription(String description) {
this.description = description;
}
/**
* Returns the website.
*
* @return the website
*/
public String getWebsite() {
return website;
}
/**
* Sets the website.
*
* @param website the website
*/
public void setWebsite(String website) {
this.website = website;
}
/**
* Returns all the artifacts in the metadata.
*
* @return the artifacts in the metadata
*/
public List getArtifacts() {
return artifacts;
}
/**
* Sets the artifacts for the metadata.
*
* @param artifacts the new artifacts
*/
public void setArtifacts(List artifacts) {
this.artifacts = artifacts;
}
/**
* Returns the metadata checksum.
*
* @return the checksum
*/
public String getChecksum() {
return checksum;
}
/**
* Sets the metadata checksum.
*
* @param checksum the new checksum
*/
public void setChecksum(String checksum) {
this.checksum = checksum;
}
/**
* Returns the last update date for the metadata.
*
* @return the last update date
*/
public Date getLastUpdated() {
return lastUpdated;
}
/**
* Sets the last update date for the metadata.
*
* @param lastUpdated the new last update date
*/
public void setLastUpdated(Date lastUpdated) {
this.lastUpdated = lastUpdated;
}
/**
* Returns the URI to the repository storing the metadata.
*
* @return the URI to the repository storing the metadata
*/
public URI getRepositoryUri() {
return repositoryUri;
}
/**
* Sets the repository URI.
*
* @param repositoryUri the new URI
*/
public void setRepositoryUri(URI repositoryUri) {
this.repositoryUri = repositoryUri;
if (artifacts != null) {
for (Artifact artifact : artifacts) {
artifact.setMetadata(this);
}
}
}
}