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package com.chain.api;

import com.google.gson.annotations.SerializedName;

import java.util.ArrayList;
import java.util.List;

/**
 * Stores information used to execute item queries on the Chain Core.
 */
public class Query {
  /**
   * Predicate used to filter query results.
   */
  public String filter;

  /**
   * Parameters used in the query's filter.
   */
  @SerializedName("filter_params")
  public List filterParams;

  /**
   * Specifies if this query is being used within a transaction feed.

   * If true, the query will long poll until the request returns results or times out.
   */
  @SerializedName("ascending_with_long_poll")
  public boolean ascendingWithLongPoll;

  /**
   * Specifies a timeout for transaction feed queries.
   */
  public long timeout;

  /**
   * Represents a bookmark to the last returned item. The next query will return results
   * starting after this item.
   */
  public String after;

  /**
   * Specifies the earliest transaction timestamp (in milliseconds) to include in transaction query results.
   */
  @SerializedName("start_time")
  public long startTime;

  /**
   * Specifies the latest transaction timestamp (in milliseconds) to include in transaction query results.
   */
  @SerializedName("end_time")
  public long endTime;

  /**
   * Specifies a time for point-in-time queries, e.g. balances or unspent outputs.
   */
  public long timestamp;

  /**
   * Specifies parameters to sum by when executing balance queries.
   */
  @SerializedName("sum_by")
  public List sumBy;

  /**
   * Specifies aliases to use when filteringer results. This is parameter only used in {@link MockHsm.Key} queries.
   */
  public List aliases;

  /**
   * Default constructor initializes filter parameters and sum by lists.
   */
  public Query() {
    this.filterParams = new ArrayList<>();
    this.sumBy = new ArrayList<>();
    this.aliases = new ArrayList<>();
  }
}
 















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