Package org.apache.cassandra.io

Examples of org.apache.cassandra.io.SSTableScanner

901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
        }

        // sstables
        for (SSTableReader sstable : ssTables_)
        {
            final SSTableScanner scanner = sstable.getScanner(KEY_RANGE_FILE_BUFFER_SIZE);
            scanner.seekTo(startWith);
            Iterator<DecoratedKey> iter = new CloseableIterator<DecoratedKey>()
            {
                public boolean hasNext()
                {
                    return scanner.hasNext();
                }
                public DecoratedKey next()
                {
                    return scanner.next().getKey();
                }
                public void remove()
                {
                    throw new UnsupportedOperationException();
                }
                public void close() throws IOException
                {
                    scanner.close();
                }
            };
            assert iter instanceof Closeable; // otherwise we leak FDs
            iterators.add(iter);
        }
View Full Code Here
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
     */
    public static void export(String ssTableFile, PrintStream outs, String[] keys, String[] excludes)
    throws IOException
    {
        SSTableReader reader = SSTableReader.open(ssTableFile);
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
        IPartitioner<?> partitioner = DatabaseDescriptor.getPartitioner();   
        Set<String> excludeSet = new HashSet<String>(Arrays.asList(excludes));
        int i = 0;
       
        outs.println("{");
       
        for (String key : keys)
        {
            if (excludeSet.contains(key))
                continue;
            DecoratedKey<?> dk = partitioner.decorateKey(key);
            scanner.seekTo(dk);
           
            i++;
           
            if (scanner.hasNext())
            {
                IteratingRow row = scanner.next();
                try
                {
                    String jsonOut = serializeRow(row);
                    if (i != 1)
                        outs.println(",");
View Full Code Here
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
   
    // This is necessary to accommodate the test suite since you cannot open a Reader more
    // than once from within the same process.
    static void export(SSTableReader reader, PrintStream outs, String[] excludes) throws IOException
    {
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
        Set<String> excludeSet = new HashSet<String>(Arrays.asList(excludes));

        outs.println("{");
       
        while(scanner.hasNext())
        {
            IteratingRow row = scanner.next();
            if (excludeSet.contains(row.getKey().key))
                continue;
            try
            {
                String jsonOut = serializeRow(row);
                outs.print("  " + jsonOut);
                if (scanner.hasNext())
                    outs.println(",");
                else
                    outs.println();
            }
            catch (IOException ioexcep)
View Full Code Here
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
     */
    public static void export(String ssTableFile, PrintStream outs, String[] keys)
    throws IOException
    {
        SSTableReader reader = SSTableReader.open(ssTableFile);
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
        IPartitioner<?> partitioner = DatabaseDescriptor.getPartitioner();   
        int i = 0;
       
        outs.println("{");
       
        for (String key : keys)
        {
            DecoratedKey<?> dk = partitioner.decorateKey(key);
            scanner.seekTo(dk);
           
            i++;
           
            if (scanner.hasNext())
            {
                IteratingRow row = scanner.next();
                try
                {
                    String jsonOut = serializeRow(row);
                    if (i != 1)
                        outs.println(",");
View Full Code Here
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
   
    // This is necessary to accommodate the test suite since you cannot open a Reader more
    // than once from within the same process.
    static void export(SSTableReader reader, PrintStream outs) throws IOException
    {
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
       
        outs.println("{");
       
        while(scanner.hasNext())
        {
            IteratingRow row = scanner.next();
            try
            {
                String jsonOut = serializeRow(row);
                outs.print("  " + jsonOut);
                if (scanner.hasNext())
                    outs.println(",");
                else
                    outs.println();
            }
            catch (IOException ioexcep)
View Full Code Here
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
     */
    public static void export(String ssTableFile, PrintStream outs, String[] keys)
    throws IOException
    {
        SSTableReader reader = SSTableReader.open(ssTableFile);
        SSTableScanner scanner = reader.getScanner();
        IPartitioner<?> partitioner = DatabaseDescriptor.getPartitioner();   
        int i = 0;
       
        outs.println("{");
       
        for (String key : keys)
        {
            DecoratedKey<?> dk = partitioner.decorateKey(key);
            scanner.seekTo(dk);
           
            i++;
           
            if (scanner.hasNext())
            {
                IteratingRow row = scanner.next();
                try
                {
                    String jsonOut = serializeRow(row);
                    if (i != 1)
                        outs.println(",");
View Full Code Here
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
     * @throws IOException on failure to read/write input/output
     */
    public static void export(String ssTableFile, PrintStream outs) throws IOException
    {
        SSTableReader reader = SSTableReader.open(ssTableFile);
        SSTableScanner scanner = reader.getScanner();
       
        outs.println("{");
       
        while(scanner.hasNext())
        {
            IteratingRow row = scanner.next();
            try
            {
                String jsonOut = serializeRow(row);
                outs.print("  " + jsonOut);
                if (scanner.hasNext())
                    outs.println(",");
                else
                    outs.println();
            }
            catch (IOException ioexcep)
View Full Code Here
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
     */
    public static void export(String ssTableFile, PrintStream outs, String[] keys, String[] excludes)
    throws IOException
    {
        SSTableReader reader = SSTableReader.open(ssTableFile);
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
        IPartitioner<?> partitioner = DatabaseDescriptor.getPartitioner();   
        Set<String> excludeSet = new HashSet();
        int i = 0;

        if (excludes != null)
            excludeSet = new HashSet<String>(Arrays.asList(excludes));
       
        outs.println("{");
       
        for (String key : keys)
        {
            if (excludeSet.contains(key))
                continue;
            DecoratedKey<?> dk = partitioner.decorateKey(key);
            scanner.seekTo(dk);
           
            i++;
           
            if (scanner.hasNext())
            {
                IteratingRow row = scanner.next();
                try
                {
                    String jsonOut = serializeRow(row);
                    if (i != 1)
                        outs.println(",");
View Full Code Here
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
   
    // This is necessary to accommodate the test suite since you cannot open a Reader more
    // than once from within the same process.
    static void export(SSTableReader reader, PrintStream outs, String[] excludes) throws IOException
    {
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
        Set<String> excludeSet = new HashSet();

        if (excludes != null)
            excludeSet = new HashSet<String>(Arrays.asList(excludes));

        outs.println("{");
       
        while(scanner.hasNext())
        {
            IteratingRow row = scanner.next();
            if (excludeSet.contains(row.getKey().key))
                continue;
            try
            {
                String jsonOut = serializeRow(row);
                outs.print("  " + jsonOut);
                if (scanner.hasNext())
                    outs.println(",");
                else
                    outs.println();
            }
            catch (IOException ioexcep)
View Full Code Here
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
     */
    public static void export(String ssTableFile, PrintStream outs, String[] keys, String[] excludes)
    throws IOException
    {
        SSTableReader reader = SSTableReader.open(ssTableFile);
        SSTableScanner scanner = reader.getScanner(INPUT_FILE_BUFFER_SIZE);
        IPartitioner<?> partitioner = DatabaseDescriptor.getPartitioner();   
        Set<String> excludeSet = new HashSet();
        int i = 0;

        if (excludes != null)
            excludeSet = new HashSet<String>(Arrays.asList(excludes));
       
        outs.println("{");
       
        for (String key : keys)
        {
            if (excludeSet.contains(key))
                continue;
            DecoratedKey<?> dk = partitioner.decorateKey(key);
            scanner.seekTo(dk);
           
            i++;
           
            if (scanner.hasNext())
            {
                IteratingRow row = scanner.next();
                try
                {
                    if (i != 1)
                        outs.println(",");
                    outs.print("  ");
View Full Code Here
TOP

Related Classes of org.apache.cassandra.io.SSTableScanner

  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.io.util.BufferedRandomAccessFile
  • org.apache.cassandra.tools.SSTableExport
  • java.io.IOError
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.