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package com.yahoo.searchdefinition;
import com.yahoo.config.FileReference;
import com.yahoo.path.Path;
import com.yahoo.vespa.model.AbstractService;
import com.yahoo.vespa.model.utils.FileSender;
import java.nio.ByteBuffer;
import java.util.Collection;
import java.util.Objects;
public class DistributableResource {
public enum PathType { FILE, URI, BLOB };
/** The search definition-unique name of this constant */
private final String name;
private final ByteBuffer blob;
private String path;
private String fileReference = "";
private PathType pathType = PathType.FILE;
public PathType getPathType() {
return pathType;
}
public DistributableResource(String name) {
this.name = name;
blob = null;
}
public DistributableResource(String name, String path) {
this.name = name;
this.path = path;
blob = null;
}
public DistributableResource(String name, ByteBuffer blob) {
Objects.requireNonNull(name, "Blob name cannot be null");
Objects.requireNonNull(blob, "Blob cannot be null");
this.name = name;
this.blob = blob;
pathType = PathType.BLOB;
}
public void setFileName(String fileName) {
Objects.requireNonNull(fileName, "Filename cannot be null");
this.path = fileName;
this.pathType = PathType.FILE;
}
public void setUri(String uri) {
Objects.requireNonNull(uri, "uri cannot be null");
this.path = uri;
this.pathType = PathType.URI;
}
/** Initiate sending of this constant to some services over file distribution */
public void sendTo(Collection<? extends AbstractService> services) {
fileReference = sendToServices(services).value();
}
private FileReference sendToServices(Collection<? extends AbstractService> services) {
switch (pathType) {
case FILE:
return FileSender.sendFileToServices(path, services);
case URI:
return FileSender.sendUriToServices(path, services);
case BLOB:
return FileSender.sendBlobToServices(blob, services);
}
throw new IllegalArgumentException("Unknown path type " + pathType);
}
public String getName() { return name; }
public ByteBuffer getBlob() { return blob; }
public String getFileName() { return path; }
public Path getFilePath() { return Path.fromString(path); }
public String getUri() { return path; }
public String getFileReference() { return fileReference; }
public void validate() {
if (path == null || path.isEmpty())
throw new IllegalArgumentException("Distributable resource must have a file or uri.");
}
public String toString() {
StringBuilder b = new StringBuilder();
b.append("resource '").append(name).append(" of type '").append(pathType)
.append("' with ref '").append(fileReference).append("'");
return b.toString();
}
}
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