Package com.facebook.presto.hive.shaded.org.codehaus.jackson.map.util

Examples of com.facebook.presto.hive.shaded.org.codehaus.jackson.map.util.ObjectBuffer

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        {
            // Ok: must point to START_ARRAY (or equivalent)
            if (!jp.isExpectedStartArrayToken()) {
                return handleNonArray(jp, ctxt);
            }
            final ObjectBuffer buffer = ctxt.leaseObjectBuffer();
            Object[] chunk = buffer.resetAndStart();
            int ix = 0;
            JsonToken t;
           
            while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
                // Ok: no need to convert Strings, but must recognize nulls
                String value = (t == JsonToken.VALUE_NULL) ? null : jp.getText();
                if (ix >= chunk.length) {
                    chunk = buffer.appendCompletedChunk(chunk);
                    ix = 0;
                }
                chunk[ix++] = value;
            }
            String[] result = buffer.completeAndClearBuffer(chunk, ix, String.class);
            ctxt.returnObjectBuffer(buffer);
            return result;
        }
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        // Ok: must point to START_ARRAY (or equivalent)
        if (!jp.isExpectedStartArrayToken()) {
            return handleNonArray(jp, ctxt);
        }

        final ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] chunk = buffer.resetAndStart();
        int ix = 0;
        JsonToken t;
        final TypeDeserializer typeDeser = _elementTypeDeserializer;

        while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
            // Note: must handle null explicitly here; value deserializers won't
            Object value;
           
            if (t == JsonToken.VALUE_NULL) {
                value = null;
            } else if (typeDeser == null) {
                value = _elementDeserializer.deserialize(jp, ctxt);
            } else {
                value = _elementDeserializer.deserializeWithType(jp, ctxt, typeDeser);
            }
            if (ix >= chunk.length) {
                chunk = buffer.appendCompletedChunk(chunk);
                ix = 0;
            }
            chunk[ix++] = value;
        }

        Object[] result;

        if (_untyped) {
            result = buffer.completeAndClearBuffer(chunk, ix);
        } else {
            result = buffer.completeAndClearBuffer(chunk, ix, _elementClass);
        }
        ctxt.returnObjectBuffer(buffer);
        return result;
    }
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     */

    @Override
    public final ObjectBuffer leaseObjectBuffer()
    {
        ObjectBuffer buf = _objectBuffer;
        if (buf == null) {
            buf = new ObjectBuffer();
        } else {
            _objectBuffer = null;
        }
        return buf;
    }
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        }
        // Minor optimization to handle small lists (default size for ArrayList is 10)
        if (jp.nextToken()  == JsonToken.END_ARRAY) {
            return new ArrayList<Object>(4);
        }
        ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] values = buffer.resetAndStart();
        int ptr = 0;
        int totalSize = 0;
        do {
            Object value = deserialize(jp, ctxt);
            ++totalSize;
            if (ptr >= values.length) {
                values = buffer.appendCompletedChunk(values);
                ptr = 0;
            }
            values[ptr++] = value;
        } while (jp.nextToken() != JsonToken.END_ARRAY);
        // let's create almost full array, with 1/8 slack
        ArrayList<Object> result = new ArrayList<Object>(totalSize + (totalSize >> 3) + 1);
        buffer.completeAndClearBuffer(values, ptr, result);
        return result;
    }
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    {
        // Minor optimization to handle small lists (default size for ArrayList is 10)
        if (jp.nextToken()  == JsonToken.END_ARRAY) {
            return NO_OBJECTS;
        }
        ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] values = buffer.resetAndStart();
        int ptr = 0;
        do {
            Object value = deserialize(jp, ctxt);
            if (ptr >= values.length) {
                values = buffer.appendCompletedChunk(values);
                ptr = 0;
            }
            values[ptr++] = value;
        } while (jp.nextToken() != JsonToken.END_ARRAY);
        return buffer.completeAndClearBuffer(values, ptr);
    }
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Related Classes of com.facebook.presto.hive.shaded.org.codehaus.jackson.map.util.ObjectBuffer

  • com.facebook.presto.hive.shaded.org.codehaus.jackson.map.deser.std.ObjectArrayDeserializer
  • com.facebook.presto.hive.shaded.org.codehaus.jackson.map.deser.std.PrimitiveArrayDeserializers$StringDeser
  • com.facebook.presto.hive.shaded.org.codehaus.jackson.map.deser.std.UntypedObjectDeserializer
  • com.facebook.presto.hive.shaded.org.codehaus.jackson.map.deser.StdDeserializationContext
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