package io.searchbox.core;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.gson.JsonObject;
import io.searchbox.action.AbstractMultiIndexActionBuilder;
import io.searchbox.action.GenericResultAbstractAction;
import io.searchbox.params.Parameters;
/**
* @author ferhat
*/
public class SearchScroll extends GenericResultAbstractAction {
@VisibleForTesting
static final int MAX_SCROLL_ID_LENGTH = 1900;
private final String restMethodName;
public static final String SCROLL_ID = "scroll_id";
public static final String COMMA = ",";
protected SearchScroll(Builder builder) {
super(builder);
if(builder.getScrollId().length() > MAX_SCROLL_ID_LENGTH) {
this.restMethodName = "POST";
// represent scroll_id in json for request body
JsonObject scrollObject = new JsonObject();
scrollObject.addProperty(SCROLL_ID, builder.getScrollId());
this.payload = scrollObject.toString();
} else {
this.restMethodName = "GET";
}
setURI(buildURI());
}
@Override
protected String buildURI() {
return super.buildURI() + "/_search/scroll";
}
@Override
public String getRestMethodName() {
return this.restMethodName;
}
@Override
public String getPathToResult() {
return "hits/hits/_source";
}
public static class Builder extends AbstractMultiIndexActionBuilder<SearchScroll, Builder> {
private final String scrollId;
public Builder(String scrollId, String scroll) {
this.scrollId = scrollId;
if (scrollId.length() <= MAX_SCROLL_ID_LENGTH) {
setParameter(Parameters.SCROLL_ID, scrollId);
}
setParameter(Parameters.SCROLL, scroll);
}
@Override
public String getJoinedIndices() {
if (indexNames.size() > 0) {
return Joiner.on(',').join(indexNames);
} else {
return null;
}
}
@Override
public SearchScroll build() {
return new SearchScroll(this);
}
public String getScrollId() {
return scrollId;
}
}
}