Examples of com.ericsson.otp.erlang.OtpErlangMap

com.ericsson.otp.erlang.OtpErlangMap
Provides a Java representation of Erlang maps. Maps are created from one or more arbitrary Erlang terms.
The arity of the map is the number of elements it contains. The keys and values can be retrieved as arrays and the value for a key can be queried.

        }
    }


    @Test
    public void map_1() throws TermParserException {
        final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{}");
        Assert.assertEquals("#{}", r.toString());
    }

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        Assert.assertEquals("#{}", r.toString());
    }


    @Test
    public void map_2() throws TermParserException {
        @SuppressWarnings("unused")
        final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{a=>2,\"b\"=>[4]}");
    }

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        final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{a=>2,\"b\"=>[4]}");
    }


    @Test(expected = TermParserException.class)
    public void map_3() throws TermParserException {
        @SuppressWarnings("unused")
        final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{a=>2,b}");
    }

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    }


    @Test
    public void cvtMapOk_1() throws SignatureException {
        final HashMap<OtpErlangObject, OtpErlangObject> map = new HashMap<OtpErlangObject, OtpErlangObject>();
        test(map, "m", new OtpErlangMap(new OtpErlangObject[0], new OtpErlangObject[0]));
    }

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    @Test
    public void cvtMapOk_2() throws SignatureException {
        final HashMap<OtpErlangObject, OtpErlangObject> map = new HashMap<OtpErlangObject, OtpErlangObject>();
        map.put(new OtpErlangAtom("foo"), new OtpErlangAtom("bar"));
        test(map, "m", new OtpErlangMap(
                new OtpErlangObject[] { new OtpErlangAtom("foo") },
                new OtpErlangObject[] { new OtpErlangAtom("bar") }));
    }

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                        new OtpErlangObject[size]);
                final OtpErlangObject[] values = new OtpErlangObject[size];
                for (int i = 0; i < size; i++) {
                    values[i] = map.get(keys[i]);
                }
                return new OtpErlangMap(keys, values);
            }
            failConversion(obj, type);
        }


        if (obj instanceof OtpErlangPid) {

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            final OtpErlangObject[] vv = new OtpErlangObject[k.length];
            for (int i = 0; i < k.length; i++) {
                kk[i] = java2erlang(k[i]);
                vv[i] = java2erlang(map.get(k[i]));
            }
            return new OtpErlangMap(kk, vv);
        }


        if (obj instanceof OtpErlangPid) {
            return (OtpErlangPid) obj;
        }

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            final OtpErlangObject[] values = new OtpErlangObject[size / 2];
            for (int i = 0; i < size / 2; i++) {
                keys[i] = all[i * 2];
                values[i] = all[i * 2 + 1];
            }
            return new OtpErlangMap(keys, values);
        }
        stack.push(parse(tokens));
        if (tokens.get(0).kind != TokenKind.ARROW) {
            throw new TermParserException("badly constructed map");
        }

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                        + CANT_CONVERT_TO + cls.getCanonicalName());
            }
            if (Map.class.isAssignableFrom(cls)) {
                if (obj instanceof OtpErlangMap) {
                    final Map<Object, Object> result = Maps.newHashMap();
                    final OtpErlangMap map = (OtpErlangMap) obj;
                    for (final OtpErlangObject key : map.keys()) {
                        final OtpErlangObject value = map.get(key);
                        result.put(erlang2java(key, key.getClass()),
                                erlang2java(value, value.getClass()));
                    }
                    return result;
                }

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  runTest(new byte[] { (byte) 131, 116, 0, 0, 0, 1, 104, 1, 97, 3, 108,
    0, 0, 0, 1, 100, 0, 1, 114, 106 }, "#{{3} => [r]}", 4);


  try {
      // #{2 => [],a => 1}
      final OtpErlangMap map = new OtpErlangMap(new OtpInputStream(
      new byte[] { (byte) 131, 116, 0, 0, 0, 2, 97, 2, 106,
             100, 0, 1, 97, 97, 1 }));


      if (map.arity() != 2) {
    fail(5);
      }
      if (!new OtpErlangLong(1).equals(map.get(new OtpErlangAtom("a")))) {
    fail(6);
      }
      if (!new OtpErlangList().equals(map.get(new OtpErlangLong(2)))) {
    fail(7);
      }
      if (map.get(new OtpErlangLong(1)) != null) {
    fail(8);
      }
  } catch (final OtpErlangDecodeException e) {
      fail(99);
  }

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Related Classes of com.ericsson.otp.erlang.OtpErlangMap

Maps

org.erlide.util.erlang.TermParser

org.erlide.util.erlang.TypeConverter

org.erlide.util.TermParserTest

org.erlide.util.TypeConverterTest

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