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fixes #17: Added ICloudFile interface. MetadataManagers have to return
ICloudFiles for different methods.
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Florian Bausch
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Jul 28, 2012
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53 changes: 53 additions & 0 deletions
53
interfaces/src/de/dhbw_mannheim/cloudraid/metadatamgr/ICloudFile.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package de.dhbw_mannheim.cloudraid.metadatamgr; | ||
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| /** | ||
| * An interface for the representation of a file stored by CloudRAID. | ||
| * | ||
| * @author Florian Bausch | ||
| * | ||
| */ | ||
| public interface ICloudFile { | ||
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| /** | ||
| * Returns the file ID. | ||
| * | ||
| * @return The file ID. | ||
| */ | ||
| public int getFileId(); | ||
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| /** | ||
| * Returns the hashed file name. | ||
| * | ||
| * @return The hashed file name. | ||
| */ | ||
| public String getHash(); | ||
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| /** | ||
| * Returns the date (milliseconds since 01/01/1970) of the last modification | ||
| * of a file. | ||
| * | ||
| * @return The last modification date. | ||
| */ | ||
| public long getLastMod(); | ||
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| /** | ||
| * Returns the file name. | ||
| * | ||
| * @return The file name. | ||
| */ | ||
| public String getName(); | ||
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| /** | ||
| * Returns the file's status. | ||
| * | ||
| * @return The status. | ||
| */ | ||
| public String getStatus(); | ||
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| /** | ||
| * Returns the user ID the file belongs to. | ||
| * | ||
| * @return The user ID. | ||
| */ | ||
| public int getUserId(); | ||
| } |
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91
metadatamgr/src/de/dhbw_mannheim/cloudraid/metadatamgr/impl/HSQLCloudFile.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,91 @@ | ||
| package de.dhbw_mannheim.cloudraid.metadatamgr.impl; | ||
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| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.util.Collection; | ||
| import java.util.Vector; | ||
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| import de.dhbw_mannheim.cloudraid.metadatamgr.ICloudFile; | ||
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| /** | ||
| * An implementation of {@link ICloudFile} that can read data from the | ||
| * {@link HSQLMetadataManager} database. | ||
| * | ||
| * @author Florian Bausch | ||
| * | ||
| */ | ||
| public class HSQLCloudFile implements ICloudFile { | ||
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| /** | ||
| * Creates from a {@link ResultSet} a Collection of {@link ICloudFile}s. The | ||
| * cursor must be set before the first row. | ||
| * | ||
| * @param rs | ||
| * A SQL {@link ResultSet}. | ||
| * @return The Collection. | ||
| * @throws SQLException | ||
| */ | ||
| protected static Collection<ICloudFile> createFileList(ResultSet rs) | ||
| throws SQLException { | ||
| Vector<ICloudFile> ret = new Vector<ICloudFile>(); | ||
| while (rs.next()) { | ||
| ret.add(new HSQLCloudFile(rs)); | ||
| } | ||
| return ret; | ||
| } | ||
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| private String path; | ||
| private String hash; | ||
| private int userid; | ||
| private String status; | ||
| private long lastMod; | ||
| private int fileid; | ||
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| /** | ||
| * Creates a {@link ICloudFile} from a {@link ResultSet}. The cursor must be | ||
| * set on a row. | ||
| * | ||
| * @param rs | ||
| * The {@link ResultSet}. | ||
| * @throws SQLException | ||
| */ | ||
| protected HSQLCloudFile(ResultSet rs) throws SQLException { | ||
| this.path = rs.getString("path_name"); | ||
| this.hash = rs.getString("hash_name"); | ||
| this.userid = rs.getInt("user_id"); | ||
| this.status = rs.getString("status"); | ||
| this.lastMod = rs.getTimestamp("last_mod").getTime(); | ||
| this.fileid = rs.getInt("id"); | ||
| } | ||
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| @Override | ||
| public int getFileId() { | ||
| return this.fileid; | ||
| } | ||
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| @Override | ||
| public String getHash() { | ||
| return this.hash; | ||
| } | ||
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| @Override | ||
| public long getLastMod() { | ||
| return this.lastMod; | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return this.path; | ||
| } | ||
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| @Override | ||
| public String getStatus() { | ||
| return this.status; | ||
| } | ||
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| @Override | ||
| public int getUserId() { | ||
| return this.userid; | ||
| } | ||
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| } |
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