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Subject: Re: get enumeration of all terms starting at a given term after
 lucene 4
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From: Parit Bansal <Parit.Bansal@sib.swiss>
Message-ID: <3a9f9bcc-ee6e-6423-b272-62a0983e9f57@sib.swiss>
Date: Fri, 29 Jul 2016 15:41:15 +0200
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archived-at: Fri, 29 Jul 2016 13:41:28 -0000

Hi Mukul,

Provided terms are sorted how about doing

if (termsEnum.seekExact(text)) {
     BytesRef text;
     while ((text = con.foreignTermsEnum.next()) != null) {
         // keep looping till your value is a prefix
     }
}

- Parit

On 07/29/2016 03:30 PM, Mukul Ranjan wrote:
> Hi Parit,
>
> PrefixTermsEnum is removed in lucene 5.1 so we can not use this now.
>
> Thanks,
> Mukul
>
> -----Original Message-----
> From: Parit Bansal [mailto:Parit.Bansal@sib.swiss]
> Sent: Friday, July 29, 2016 3:20 PM
> To: java-user@lucene.apache.org
> Subject: Re: get enumeration of all terms starting at a given term after lucene 4
>
> On 07/29/2016 08:27 AM, Mukul Ranjan wrote:
>> lucene version from lucene 3.6 to lucene 5.5.2. After 3.6,
>>> indexReader terms api is removed which used to give list of terms.
>>> I have used below code  to get the termEnum, but it has no option to
>>> pass the value of the field which is used to get the matching result.
>>>
>>> Terms terms = MultiFields.getTerms(reader, TEXT_FIELD); TermsEnum
>>> termsEnum = terms.iterator();
>>>
>>> Can anyone help me on this.
> Hi Mukul,
>
> How about using PrefixTermsEnum like:
>
> Terms terms = MultiFields.getTerms(reader, TEXT_FIELD); TermsEnum termsEnum = new PrefixTermsEnum(tenum, terms.iterator());
>
> - Best
> Parit
>
>
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