How to use

fields

method

in

org.elasticsearch.action.admin.indices.cache.clear.ClearIndicesCacheRequest

 @Override
 public String toString() {
  StringBuilder message = new StringBuilder();
  message.append("ES clear cache request");
  if (request.indices().length > 0) {
   message.append(String.format(" on indices '%s'", StringUtils.join(request.indices(), ",")));
  }
  String[] fields = request.fields();
  if (fields != null && fields.length > 0) {
   message.append(String.format(" on fields '%s'", StringUtils.join(fields, ",")));
  }
  if (request.queryCache()) {
   message.append(" with filter cache");
  }
  if (request.fieldDataCache()) {
   message.append(" with field data cache");
  }
  if (request.requestCache()) {
   message.append(" with request cache");
  }
  return message.toString();
 }
}

public ClearIndicesCacheRequestBuilder setFields(String... fields) {
  request.fields(fields);
  return this;
}

public static ClearIndicesCacheRequest fromRequest(final RestRequest request, ClearIndicesCacheRequest clearIndicesCacheRequest) {
  for (Map.Entry<String, String> entry : request.params().entrySet()) {
    if (Fields.QUERY.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.queryCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.queryCache()));
    } else if (Fields.REQUEST.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.requestCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.requestCache()));
    } else if (Fields.FIELDDATA.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.fieldDataCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.fieldDataCache()));
    } else  if (Fields.FIELDS.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.fields(request.paramAsStringArray(entry.getKey(), clearIndicesCacheRequest.fields()));
    }
  }
  return clearIndicesCacheRequest;
}

@Override
protected EmptyResult shardOperation(ClearIndicesCacheRequest request, ShardRouting shardRouting) {
  indicesService.clearIndexShardCache(shardRouting.shardId(), request.queryCache(), request.fieldDataCache(), request.requestCache(),
    request.fields());
  return EmptyResult.INSTANCE;
}

public ClearIndicesCacheRequestBuilder setFields(String... fields) {
  request.fields(fields);
  return this;
}

public ClearIndicesCacheRequestBuilder setFields(String... fields) {
  request.fields(fields);
  return this;
}

public ClearCacheRequestBuilder<JsonInput, JsonOutput> fields(String... fields) {
  request.fields(fields);
  return this;
}

public ClearIndicesCacheRequestBuilder setFields(String... fields) {
  request.fields(fields);
  return this;
}

public ClearIndicesCacheRequestBuilder setFields(String... fields) {
  request.fields(fields);
  return this;
}

 @Override
 public String toString() {
  StringBuilder message = new StringBuilder();
  message.append("ES clear cache request");
  if (request.indices().length > 0) {
   message.append(String.format(" on indices '%s'", StringUtils.join(request.indices(), ",")));
  }
  String[] fields = request.fields();
  if (fields != null && fields.length > 0) {
   message.append(String.format(" on fields '%s'", StringUtils.join(fields, ",")));
  }
  if (request.queryCache()) {
   message.append(" with filter cache");
  }
  if (request.fieldDataCache()) {
   message.append(" with field data cache");
  }
  if (request.requestCache()) {
   message.append(" with request cache");
  }
  return message.toString();
 }
}

public static ClearIndicesCacheRequest fromRequest(final RestRequest request, ClearIndicesCacheRequest clearIndicesCacheRequest) {
  for (Map.Entry<String, String> entry : request.params().entrySet()) {
    if (Fields.QUERY.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.queryCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.queryCache()));
    } else if (Fields.REQUEST.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.requestCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.requestCache()));
    } else if (Fields.FIELDDATA.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.fieldDataCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.fieldDataCache()));
    } else  if (Fields.FIELDS.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.fields(request.paramAsStringArray(entry.getKey(), clearIndicesCacheRequest.fields()));
    }
  }
  return clearIndicesCacheRequest;
}

public static ClearIndicesCacheRequest fromRequest(final RestRequest request, ClearIndicesCacheRequest clearIndicesCacheRequest) {
  for (Map.Entry<String, String> entry : request.params().entrySet()) {
    if (Fields.QUERY.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.queryCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.queryCache()));
    } else if (Fields.REQUEST.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.requestCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.requestCache()));
    } else if (Fields.FIELDDATA.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.fieldDataCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.fieldDataCache()));
    } else  if (Fields.FIELDS.match(entry.getKey(), LoggingDeprecationHandler.INSTANCE)) {
      clearIndicesCacheRequest.fields(request.paramAsStringArray(entry.getKey(), clearIndicesCacheRequest.fields()));
    }
  }
  return clearIndicesCacheRequest;
}

public static ClearIndicesCacheRequest fromRequest(final RestRequest request, ClearIndicesCacheRequest clearIndicesCacheRequest, ParseFieldMatcher parseFieldMatcher) {
  for (Map.Entry<String, String> entry : request.params().entrySet()) {
    if (parseFieldMatcher.match(entry.getKey(), Fields.QUERY)) {
      clearIndicesCacheRequest.queryCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.queryCache()));
    }
    if (parseFieldMatcher.match(entry.getKey(), Fields.FIELD_DATA)) {
      clearIndicesCacheRequest.fieldDataCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.fieldDataCache()));
    }
    if (parseFieldMatcher.match(entry.getKey(), Fields.RECYCLER)) {
      clearIndicesCacheRequest.recycler(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.recycler()));
    }
    if (parseFieldMatcher.match(entry.getKey(), Fields.FIELDS)) {
      clearIndicesCacheRequest.fields(request.paramAsStringArray(entry.getKey(), clearIndicesCacheRequest.fields()));
    }
  }
  return clearIndicesCacheRequest;
}

public static ClearIndicesCacheRequest fromRequest(final RestRequest request, ClearIndicesCacheRequest clearIndicesCacheRequest) {
  for (Map.Entry<String, String> entry : request.params().entrySet()) {
    if (Fields.QUERY.match(entry.getKey())) {
      clearIndicesCacheRequest.queryCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.queryCache()));
    }
    if (Fields.REQUEST.match(entry.getKey())) {
      clearIndicesCacheRequest.requestCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.requestCache()));
    }
    if (Fields.FIELD_DATA.match(entry.getKey())) {
      clearIndicesCacheRequest.fieldDataCache(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.fieldDataCache()));
    }
    if (Fields.RECYCLER.match(entry.getKey())) {
      clearIndicesCacheRequest.recycler(request.paramAsBoolean(entry.getKey(), clearIndicesCacheRequest.recycler()));
    }
    if (Fields.FIELDS.match(entry.getKey())) {
      clearIndicesCacheRequest.fields(request.paramAsStringArray(entry.getKey(), clearIndicesCacheRequest.fields()));
    }
  }
  return clearIndicesCacheRequest;
}

@Override
protected EmptyResult shardOperation(ClearIndicesCacheRequest request, ShardRouting shardRouting) {
  indicesService.clearIndexShardCache(shardRouting.shardId(), request.queryCache(), request.fieldDataCache(), request.requestCache(),
    request.fields());
  return EmptyResult.INSTANCE;
}

@Override
protected EmptyResult shardOperation(ClearIndicesCacheRequest request, ShardRouting shardRouting) {
  indicesService.clearIndexShardCache(shardRouting.shardId(), request.queryCache(), request.fieldDataCache(), request.requestCache(),
    request.fields());
  return EmptyResult.INSTANCE;
}

static Request clearCache(ClearIndicesCacheRequest clearIndicesCacheRequest) {
  String[] indices = clearIndicesCacheRequest.indices() == null ? Strings.EMPTY_ARRAY :clearIndicesCacheRequest.indices();
  Request request = new Request(HttpPost.METHOD_NAME, RequestConverters.endpoint(indices, "_cache/clear"));
  RequestConverters.Params parameters = new RequestConverters.Params(request);
  parameters.withIndicesOptions(clearIndicesCacheRequest.indicesOptions());
  parameters.putParam("query", Boolean.toString(clearIndicesCacheRequest.queryCache()));
  parameters.putParam("fielddata", Boolean.toString(clearIndicesCacheRequest.fieldDataCache()));
  parameters.putParam("request", Boolean.toString(clearIndicesCacheRequest.requestCache()));
  parameters.putParam("fields", String.join(",", clearIndicesCacheRequest.fields()));
  return request;
}

static Request clearCache(ClearIndicesCacheRequest clearIndicesCacheRequest) {
  String[] indices = clearIndicesCacheRequest.indices() == null ? Strings.EMPTY_ARRAY :clearIndicesCacheRequest.indices();
  Request request = new Request(HttpPost.METHOD_NAME, RequestConverters.endpoint(indices, "_cache/clear"));
  RequestConverters.Params parameters = new RequestConverters.Params(request);
  parameters.withIndicesOptions(clearIndicesCacheRequest.indicesOptions());
  parameters.putParam("query", Boolean.toString(clearIndicesCacheRequest.queryCache()));
  parameters.putParam("fielddata", Boolean.toString(clearIndicesCacheRequest.fieldDataCache()));
  parameters.putParam("request", Boolean.toString(clearIndicesCacheRequest.requestCache()));
  parameters.putParam("fields", String.join(",", clearIndicesCacheRequest.fields()));
  return request;
}

if (request.fields() == null || request.fields().length == 0) {
  service.fieldData().clear();
} else {
  for (String field : request.fields()) {
    service.fieldData().clearField(field);
if (request.fields() != null && request.fields().length > 0) {
  for (String field : request.fields()) {
    service.fieldData().clearField(field);

if (request.fields() == null || request.fields().length == 0) {
  service.fieldData().clear();
} else {
  for (String field : request.fields()) {
    service.fieldData().clearField(field);
if (request.fields() != null && request.fields().length > 0) {
  for (String field : request.fields()) {
    service.fieldData().clearField(field);