Package com.google.common.hash

Examples of com.google.common.hash.Hasher

102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
     *
     * @param l the literal to create the hash for
     * @return a 64bit hash key for the literal
     */
    public static String createCacheKey(Literal l) {
        Hasher hasher = Hashing.goodFastHash(64).newHasher();
        hasher.putString(l.getLabel(), Charset.defaultCharset());
        if(l.getDatatype() != null) {
            hasher.putString(l.getDatatype().stringValue(), Charset.defaultCharset());
        }
        if(l.getLanguage() != null) {
            hasher.putString(l.getLanguage().toLowerCase(), Charset.defaultCharset());
        }
        return hasher.hash().toString();
    }
View Full Code Here
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
    }
   
    public static String getETag(RepositoryConnection conn, URI resource) throws RepositoryException {
      if (resource == null) return "";
     
        Hasher hasher = buildHasher();
        hasher.putString(resource.stringValue(), Charset.defaultCharset());
        //FIXME: The order of the statements is not defined -> might result in different hash!
        RepositoryResult<Statement> outgoing = conn.getStatements(resource, null, null, true);
        try {
          while (outgoing.hasNext()) {
            Statement statement = outgoing.next();
            hasher.putString(statement.getPredicate().stringValue(), Charset.defaultCharset());
              hasher.putString(statement.getObject().stringValue(), Charset.defaultCharset());
              //TODO: statement modification date?
          }
        } finally {
          outgoing.close();
        }
        RepositoryResult<Statement> incoming = conn.getStatements(null, null, resource, true);
        try {
          while (incoming.hasNext()) {
            Statement statement = incoming.next();
            hasher.putString(statement.getSubject().stringValue(), Charset.defaultCharset());
            hasher.putString(statement.getPredicate().stringValue(), Charset.defaultCharset());
            //TODO: statement modification date?
          }   
        } finally {
          incoming.close();
        }
        return hasher.hash().toString();
    }
View Full Code Here
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
//    }
   
    public static String getWeakETag(RepositoryConnection conn, Resource resource) throws RepositoryException {
      if (resource == null) return "";
     
        Hasher hasher = buildHasher();
        hasher.putString(resource.stringValue(), Charset.defaultCharset());
        //FIXME: The order of the statements is not defined -> might result in different hash!
        RepositoryResult<Statement> statements = conn.getStatements(resource, null, null, true);
        try {
          while (statements.hasNext()) {
            Statement statement = statements.next();
            hasher.putString(statement.getPredicate().stringValue(), Charset.defaultCharset());
            hasher.putString(statement.getObject().stringValue(), Charset.defaultCharset());
            //TODO: statement modification date?
          }
        } finally {
          statements.close();
        }
        return hasher.hash().toString();
    }
View Full Code Here
112
113
114
115
116
117
118
119
        return hasher.hash().toString();
    }

    private static Hasher buildHasher() {
        HashFunction function = Hashing.goodFastHash(16);
        Hasher hasher = function.newHasher();
        return hasher;
    }
View Full Code Here
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
    }

    @Override
    public String write(InputStream in) throws MicroKernelException {
        try {
            final Hasher hasher = Hashing.sha256().newHasher();
            Blob blob = store.createBlob(
                    new CheckedInputStream(in, new Checksum() {
                        @Override
                        public void update(byte[] b, int off, int len) {
                            hasher.putBytes(b, off, len);
                        }
                        @Override
                        public void update(int b) {
                            hasher.putByte((byte) b);
                        }
                        @Override
                        public void reset() {
                            throw new UnsupportedOperationException();
                        }
                        @Override
                        public long getValue() {
                            throw new UnsupportedOperationException();
                        }
                    }));
            HashCode hash = hasher.hash();

            // wrap into AbstractBlob for the SHA-256 memorization feature
            if (!(blob instanceof AbstractBlob)) {
                final Blob b = blob;
                blob = new AbstractBlob(hash) {
View Full Code Here
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
     * @param language language of the literal (optional)
     * @param type     datatype URI of the literal (optional)
     * @return a 64bit hash key for the literal
     */
    public static String createCacheKey(String content, Locale language, String type) {
        Hasher hasher = Hashing.goodFastHash(64).newHasher();
        hasher.putString(content);
        if(type != null) {
            hasher.putString(type);
        }
        if(language != null) {
            hasher.putString(language.getLanguage().toLowerCase());
        }
        return hasher.hash().toString();
    }
View Full Code Here
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
     *
     * @param l the literal to create the hash for
     * @return a 64bit hash key for the literal
     */
    public static String createCacheKey(Literal l) {
        Hasher hasher = Hashing.goodFastHash(64).newHasher();
        hasher.putString(l.getLabel());
        if(l.getDatatype() != null) {
            hasher.putString(l.getDatatype().stringValue());
        }
        if(l.getLanguage() != null) {
            hasher.putString(l.getLanguage().toLowerCase());
        }
        return hasher.hash().toString();
    }
View Full Code Here
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
    }
   
    public static String getETag(RepositoryConnection conn, URI resource) throws RepositoryException {
      if (resource == null) return "";
     
        Hasher hasher = buildHasher();
        hasher.putString(resource.stringValue());
        //FIXME: The order of the statements is not defined -> might result in different hash!
        RepositoryResult<Statement> outgoing = conn.getStatements(resource, null, null, true);
        try {
          while (outgoing.hasNext()) {
            Statement statement = outgoing.next();
            hasher.putString(statement.getPredicate().stringValue());
              hasher.putString(statement.getObject().stringValue());
              //TODO: statement modification date?
          }
        } finally {
          outgoing.close();
        }
        RepositoryResult<Statement> incoming = conn.getStatements(null, null, resource, true);
        try {
          while (incoming.hasNext()) {
            Statement statement = incoming.next();
            hasher.putString(statement.getSubject().stringValue());
            hasher.putString(statement.getPredicate().stringValue());
            //TODO: statement modification date?
          }   
        } finally {
          incoming.close();
        }
        return hasher.hash().toString();
    }
View Full Code Here
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
    }  
   
    public static String getWeakETag(RepositoryConnection conn, URI resource) throws RepositoryException {
      if (resource == null) return "";
     
        Hasher hasher = buildHasher();
        hasher.putString(resource.stringValue());
        //FIXME: The order of the statements is not defined -> might result in different hash!
        RepositoryResult<Statement> statements = conn.getStatements(resource, null, null, true);
        try {
          while (statements.hasNext()) {
            Statement statement = statements.next();
            hasher.putString(statement.getPredicate().stringValue());
            hasher.putString(statement.getObject().stringValue());
            //TODO: statement modification date?
          }
        } finally {
          statements.close();
        }
        return hasher.hash().toString();
    }
View Full Code Here
98
99
100
101
102
103
104
105
        return hasher.hash().toString();
    }

    private static Hasher buildHasher() {
        HashFunction function = Hashing.goodFastHash(16);
        Hasher hasher = function.newHasher();
        return hasher;
    }
View Full Code Here
TOP

Related Classes of com.google.common.hash.Hasher

  • co.cask.cdap.data2.util.hbase.HBaseTableUtil
  • co.cask.tigon.data.util.hbase.HBaseTableUtil
  • com.abiquo.hypervisor.model.redis.HypervisorDAO
  • com.bazaarvoice.ostrich.partition.ConsistentHashPartitionFilter
  • com.facebook.presto.spi.type.TestTimeZoneKey
  • com.google.common.io.ByteSource
  • com.google.common.io.ByteStreams
  • com.salesforce.phoenix.filter.SkipScanFilter
  • io.druid.query.aggregation.cardinality.CardinalityAggregator
  • io.fathom.auto.config.MachineSignature
    • 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.