Java Code Examples for org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo#Builder
The following examples show how to use
org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo#Builder .
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Example 1
Source File: FSImageSerialization.java From hadoop with Apache License 2.0 | 6 votes |
public static CacheDirectiveInfo readCacheDirectiveInfo(DataInput in) throws IOException { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); builder.setId(readLong(in)); int flags = in.readInt(); if ((flags & 0x1) != 0) { builder.setPath(new Path(readString(in))); } if ((flags & 0x2) != 0) { builder.setReplication(readShort(in)); } if ((flags & 0x4) != 0) { builder.setPool(readString(in)); } if ((flags & 0x8) != 0) { builder.setExpiration( CacheDirectiveInfo.Expiration.newAbsolute(readLong(in))); } if ((flags & ~0xF) != 0) { throw new IOException("unknown flags set in " + "ModifyCacheDirectiveInfoOp: " + flags); } return builder.build(); }
Example 2
Source File: FSImageSerialization.java From hadoop with Apache License 2.0 | 6 votes |
public static CacheDirectiveInfo readCacheDirectiveInfo(Stanza st) throws InvalidXmlException { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); builder.setId(Long.parseLong(st.getValue("ID"))); String path = st.getValueOrNull("PATH"); if (path != null) { builder.setPath(new Path(path)); } String replicationString = st.getValueOrNull("REPLICATION"); if (replicationString != null) { builder.setReplication(Short.parseShort(replicationString)); } String pool = st.getValueOrNull("POOL"); if (pool != null) { builder.setPool(pool); } String expiryTime = st.getValueOrNull("EXPIRATION"); if (expiryTime != null) { builder.setExpiration(CacheDirectiveInfo.Expiration.newAbsolute( Long.parseLong(expiryTime))); } return builder.build(); }
Example 3
Source File: CacheManager.java From hadoop with Apache License 2.0 | 6 votes |
/** * Factory method that makes a new CacheDirectiveInfo by applying fields in a * CacheDirectiveInfo to an existing CacheDirective. * * @param info with some or all fields set. * @param defaults directive providing default values for unset fields in * info. * * @return new CacheDirectiveInfo of the info applied to the defaults. */ private static CacheDirectiveInfo createFromInfoAndDefaults( CacheDirectiveInfo info, CacheDirective defaults) { // Initialize the builder with the default values CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(defaults.toInfo()); // Replace default with new value if present if (info.getPath() != null) { builder.setPath(info.getPath()); } if (info.getReplication() != null) { builder.setReplication(info.getReplication()); } if (info.getPool() != null) { builder.setPool(info.getPool()); } if (info.getExpiration() != null) { builder.setExpiration(info.getExpiration()); } return builder.build(); }
Example 4
Source File: PBHelper.java From hadoop with Apache License 2.0 | 6 votes |
public static CacheDirectiveInfo convert (CacheDirectiveInfoProto proto) { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); if (proto.hasId()) { builder.setId(proto.getId()); } if (proto.hasPath()) { builder.setPath(new Path(proto.getPath())); } if (proto.hasReplication()) { builder.setReplication(Shorts.checkedCast( proto.getReplication())); } if (proto.hasPool()) { builder.setPool(proto.getPool()); } if (proto.hasExpiration()) { builder.setExpiration(convert(proto.getExpiration())); } return builder.build(); }
Example 5
Source File: FSImageSerialization.java From big-c with Apache License 2.0 | 6 votes |
public static CacheDirectiveInfo readCacheDirectiveInfo(DataInput in) throws IOException { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); builder.setId(readLong(in)); int flags = in.readInt(); if ((flags & 0x1) != 0) { builder.setPath(new Path(readString(in))); } if ((flags & 0x2) != 0) { builder.setReplication(readShort(in)); } if ((flags & 0x4) != 0) { builder.setPool(readString(in)); } if ((flags & 0x8) != 0) { builder.setExpiration( CacheDirectiveInfo.Expiration.newAbsolute(readLong(in))); } if ((flags & ~0xF) != 0) { throw new IOException("unknown flags set in " + "ModifyCacheDirectiveInfoOp: " + flags); } return builder.build(); }
Example 6
Source File: FSImageSerialization.java From big-c with Apache License 2.0 | 6 votes |
public static CacheDirectiveInfo readCacheDirectiveInfo(Stanza st) throws InvalidXmlException { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); builder.setId(Long.parseLong(st.getValue("ID"))); String path = st.getValueOrNull("PATH"); if (path != null) { builder.setPath(new Path(path)); } String replicationString = st.getValueOrNull("REPLICATION"); if (replicationString != null) { builder.setReplication(Short.parseShort(replicationString)); } String pool = st.getValueOrNull("POOL"); if (pool != null) { builder.setPool(pool); } String expiryTime = st.getValueOrNull("EXPIRATION"); if (expiryTime != null) { builder.setExpiration(CacheDirectiveInfo.Expiration.newAbsolute( Long.parseLong(expiryTime))); } return builder.build(); }
Example 7
Source File: CacheManager.java From big-c with Apache License 2.0 | 6 votes |
/** * Factory method that makes a new CacheDirectiveInfo by applying fields in a * CacheDirectiveInfo to an existing CacheDirective. * * @param info with some or all fields set. * @param defaults directive providing default values for unset fields in * info. * * @return new CacheDirectiveInfo of the info applied to the defaults. */ private static CacheDirectiveInfo createFromInfoAndDefaults( CacheDirectiveInfo info, CacheDirective defaults) { // Initialize the builder with the default values CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(defaults.toInfo()); // Replace default with new value if present if (info.getPath() != null) { builder.setPath(info.getPath()); } if (info.getReplication() != null) { builder.setReplication(info.getReplication()); } if (info.getPool() != null) { builder.setPool(info.getPool()); } if (info.getExpiration() != null) { builder.setExpiration(info.getExpiration()); } return builder.build(); }
Example 8
Source File: PBHelper.java From big-c with Apache License 2.0 | 6 votes |
public static CacheDirectiveInfo convert (CacheDirectiveInfoProto proto) { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); if (proto.hasId()) { builder.setId(proto.getId()); } if (proto.hasPath()) { builder.setPath(new Path(proto.getPath())); } if (proto.hasReplication()) { builder.setReplication(Shorts.checkedCast( proto.getReplication())); } if (proto.hasPool()) { builder.setPool(proto.getPool()); } if (proto.hasExpiration()) { builder.setExpiration(convert(proto.getExpiration())); } return builder.build(); }
Example 9
Source File: CacheAdmin.java From hadoop with Apache License 2.0 | 4 votes |
@Override public int run(Configuration conf, List<String> args) throws IOException { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); String pathFilter = StringUtils.popOptionWithArgument("-path", args); if (pathFilter != null) { builder.setPath(new Path(pathFilter)); } String poolFilter = StringUtils.popOptionWithArgument("-pool", args); if (poolFilter != null) { builder.setPool(poolFilter); } boolean printStats = StringUtils.popOption("-stats", args); String idFilter = StringUtils.popOptionWithArgument("-id", args); if (idFilter != null) { builder.setId(Long.parseLong(idFilter)); } if (!args.isEmpty()) { System.err.println("Can't understand argument: " + args.get(0)); return 1; } TableListing.Builder tableBuilder = new TableListing.Builder(). addField("ID", Justification.RIGHT). addField("POOL", Justification.LEFT). addField("REPL", Justification.RIGHT). addField("EXPIRY", Justification.LEFT). addField("PATH", Justification.LEFT); if (printStats) { tableBuilder.addField("BYTES_NEEDED", Justification.RIGHT). addField("BYTES_CACHED", Justification.RIGHT). addField("FILES_NEEDED", Justification.RIGHT). addField("FILES_CACHED", Justification.RIGHT); } TableListing tableListing = tableBuilder.build(); try { DistributedFileSystem dfs = AdminHelper.getDFS(conf); RemoteIterator<CacheDirectiveEntry> iter = dfs.listCacheDirectives(builder.build()); int numEntries = 0; while (iter.hasNext()) { CacheDirectiveEntry entry = iter.next(); CacheDirectiveInfo directive = entry.getInfo(); CacheDirectiveStats stats = entry.getStats(); List<String> row = new LinkedList<String>(); row.add("" + directive.getId()); row.add(directive.getPool()); row.add("" + directive.getReplication()); String expiry; // This is effectively never, round for nice printing if (directive.getExpiration().getMillis() > Expiration.MAX_RELATIVE_EXPIRY_MS / 2) { expiry = "never"; } else { expiry = directive.getExpiration().toString(); } row.add(expiry); row.add(directive.getPath().toUri().getPath()); if (printStats) { row.add("" + stats.getBytesNeeded()); row.add("" + stats.getBytesCached()); row.add("" + stats.getFilesNeeded()); row.add("" + stats.getFilesCached()); } tableListing.addRow(row.toArray(new String[row.size()])); numEntries++; } System.out.print(String.format("Found %d entr%s%n", numEntries, numEntries == 1 ? "y" : "ies")); if (numEntries > 0) { System.out.print(tableListing); } } catch (IOException e) { System.err.println(AdminHelper.prettifyException(e)); return 2; } return 0; }
Example 10
Source File: CacheAdmin.java From big-c with Apache License 2.0 | 4 votes |
@Override public int run(Configuration conf, List<String> args) throws IOException { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); String pathFilter = StringUtils.popOptionWithArgument("-path", args); if (pathFilter != null) { builder.setPath(new Path(pathFilter)); } String poolFilter = StringUtils.popOptionWithArgument("-pool", args); if (poolFilter != null) { builder.setPool(poolFilter); } boolean printStats = StringUtils.popOption("-stats", args); String idFilter = StringUtils.popOptionWithArgument("-id", args); if (idFilter != null) { builder.setId(Long.parseLong(idFilter)); } if (!args.isEmpty()) { System.err.println("Can't understand argument: " + args.get(0)); return 1; } TableListing.Builder tableBuilder = new TableListing.Builder(). addField("ID", Justification.RIGHT). addField("POOL", Justification.LEFT). addField("REPL", Justification.RIGHT). addField("EXPIRY", Justification.LEFT). addField("PATH", Justification.LEFT); if (printStats) { tableBuilder.addField("BYTES_NEEDED", Justification.RIGHT). addField("BYTES_CACHED", Justification.RIGHT). addField("FILES_NEEDED", Justification.RIGHT). addField("FILES_CACHED", Justification.RIGHT); } TableListing tableListing = tableBuilder.build(); try { DistributedFileSystem dfs = AdminHelper.getDFS(conf); RemoteIterator<CacheDirectiveEntry> iter = dfs.listCacheDirectives(builder.build()); int numEntries = 0; while (iter.hasNext()) { CacheDirectiveEntry entry = iter.next(); CacheDirectiveInfo directive = entry.getInfo(); CacheDirectiveStats stats = entry.getStats(); List<String> row = new LinkedList<String>(); row.add("" + directive.getId()); row.add(directive.getPool()); row.add("" + directive.getReplication()); String expiry; // This is effectively never, round for nice printing if (directive.getExpiration().getMillis() > Expiration.MAX_RELATIVE_EXPIRY_MS / 2) { expiry = "never"; } else { expiry = directive.getExpiration().toString(); } row.add(expiry); row.add(directive.getPath().toUri().getPath()); if (printStats) { row.add("" + stats.getBytesNeeded()); row.add("" + stats.getBytesCached()); row.add("" + stats.getFilesNeeded()); row.add("" + stats.getFilesCached()); } tableListing.addRow(row.toArray(new String[row.size()])); numEntries++; } System.out.print(String.format("Found %d entr%s%n", numEntries, numEntries == 1 ? "y" : "ies")); if (numEntries > 0) { System.out.print(tableListing); } } catch (IOException e) { System.err.println(AdminHelper.prettifyException(e)); return 2; } return 0; }