Examples of com.persistit.Exchange.fetch()

com.persistit.Exchange.fetch()
Fetches the value associated with the current Key into the Exchange's Value. The Value object reflects the fetched state. If there is no value associated with the key then {@link Value#isDefined} is false. Otherwise the value may beretrieved using {@link Value#get} and other methods of Value. @return This Exchange to permit method call chaining @throws PersistitException

        private String getValueTypeString() {
            try {
                final Exchange ex = setupExchange();
                if (ex.getKey().getEncodedSize() == 0)
                    return "";
                ex.fetch();
                final Value value = ex.getValue();
                if (!value.isDefined())
                    return "undefined";
                return value.getType().getName();
            } catch (final PersistitException de) {

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        private String getValueString() {
            try {
                final Exchange ex = setupExchange();
                if (ex.getKey().getEncodedSize() == 0)
                    return "";
                ex.fetch();
                final Value value = ex.getValue();
                if (value.getEncodedSize() > 50000) {
                    return "Too long to display: " + value.getEncodedSize();
                } else {
                    return value.toString();

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            return ex.getKey();
        }


        private Value getValue() throws PersistitException, IOException {
            final Exchange ex = setupExchange();
            ex.fetch();
            return ex.getValue();
        }


        private String getKeyString() {
            final Exchange ex = setupExchange();

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        private String getValueTypeString() {
            try {
                Exchange ex = setupExchange();
                if (ex.getKey().getEncodedSize() == 0)
                    return "";
                ex.fetch();
                Value value = ex.getValue();
                if (!value.isDefined())
                    return "undefined";
                return value.getType().getName();
            } catch (PersistitException de) {

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        private String getValueString() {
            try {
                Exchange ex = setupExchange();
                if (ex.getKey().getEncodedSize() == 0)
                    return "";
                ex.fetch();
                Value value = ex.getValue();
                if (value.getEncodedSize() > 50000) {
                    return "Too long to display: " + value.getEncodedSize();
                } else {
                    return value.toString();

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            return ex.getKey();
        }


        private Value getValue() throws PersistitException, IOException {
            Exchange ex = setupExchange();
            ex.fetch();
            return ex.getValue();
        }


        private String getKeyString() {
            Exchange ex = setupExchange();

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        private String getValueTypeString() {
            try {
                final Exchange ex = setupExchange();
                if (ex.getKey().getEncodedSize() == 0)
                    return "";
                ex.fetch();
                final Value value = ex.getValue();
                if (!value.isDefined())
                    return "undefined";
                return value.getType().getName();
            } catch (final PersistitException de) {

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        private String getValueString() {
            try {
                final Exchange ex = setupExchange();
                if (ex.getKey().getEncodedSize() == 0)
                    return "";
                ex.fetch();
                final Value value = ex.getValue();
                if (value.getEncodedSize() > 50000) {
                    return "Too long to display: " + value.getEncodedSize();
                } else {
                    return value.toString();

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            return ex.getKey();
        }


        private Value getValue() throws PersistitException, IOException {
            final Exchange ex = setupExchange();
            ex.fetch();
            return ex.getValue();
        }


        private String getKeyString() {
            final Exchange ex = setupExchange();

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        Exchange exchange = getStore().getExchange(session, indexStatisticsRowDef);
        exchange.clear()
            .append(indexStatisticsRowDef.table().getOrdinal())
            .append((long)indexRowDef.getRowDefId())
            .append((long)index.getIndexId());
        if (!exchange.fetch().getValue().isDefined()) {
            return null;
        }
        IndexStatistics result = decodeHeader(session, exchange, indexStatisticsRowDef, index);
        while (exchange.traverse(Key.GT, true)) {
            if (exchange.getKey().getDepth() <= indexStatisticsRowDef.getHKeyDepth()) {

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