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Search Template

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Search Template

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See Search Template documentation

Define your template parameters as a Map<String,Object>:

Map<String, Object> template_params = new HashMap<>();
template_params.put("param_gender", "male");

You can use your stored search templates in config/scripts. For example, if you have a file named config/scripts/template_gender.mustache containing:

{
    "query" : {
        "match" : {
            "gender" : "{{param_gender}}"
        }
    }
}

Create your search template request:

SearchResponse sr = new SearchTemplateRequestBuilder(client)
    .setScript("template_gender")                 
    .setScriptType(ScriptService.ScriptType.FILE) 
    .setScriptParams(template_params)             
    .setRequest(new SearchRequest())              
    .get()                                        
    .getResponse();

	template name
	template stored on disk in `gender_template.mustache`
	parameters
	set the execution context (ie. define the index name here)
	execute and get the template response
	get from the template response the search response itself

You can also store your template in the cluster state:

client.admin().cluster().preparePutStoredScript()
    .setScriptLang("mustache")
    .setId("template_gender")
    .setSource(new BytesArray(
        "{\n" +
        "    \"query\" : {\n" +
        "        \"match\" : {\n" +
        "            \"gender\" : \"{{param_gender}}\"\n" +
        "        }\n" +
        "    }\n" +
        "}")).get();

To execute a stored templates, use ScriptService.ScriptType.STORED:

SearchResponse sr = new SearchTemplateRequestBuilder(client)
        .setScript("template_gender")                       
        .setScriptType(ScriptService.ScriptType.STORED)     
        .setScriptParams(template_params)                   
        .setRequest(new SearchRequest())                    
        .get()                                              
        .getResponse();

	template name
	template stored in the cluster state
	parameters
	set the execution context (ie. define the index name here)
	execute and get the template response
	get from the template response the search response itself

You can also execute inline templates:

sr = new SearchTemplateRequestBuilder(client)
        .setScript("{\n" +                                  
                "        \"query\" : {\n" +
                "            \"match\" : {\n" +
                "                \"gender\" : \"{{param_gender}}\"\n" +
                "            }\n" +
                "        }\n" +
                "}")
        .setScriptType(ScriptService.ScriptType.INLINE)    
        .setScriptParams(template_params)                  
        .setRequest(new SearchRequest())                   
        .get()                                             
        .getResponse();

	template name
	template is passed inline
	parameters
	set the execution context (ie. define the index name here)
	execute and get the template response
	get from the template response the search response itself

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