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package io.ebeaninternal.api;

import io.ebean.CacheMode;
import io.ebean.CountDistinctOrder;
import io.ebean.ExpressionList;
import io.ebean.OrderBy;
import io.ebean.PersistenceContextScope;
import io.ebean.ProfileLocation;
import io.ebean.Query;
import io.ebean.bean.CallStack;
import io.ebean.bean.ObjectGraphNode;
import io.ebean.bean.PersistenceContext;
import io.ebean.event.readaudit.ReadEvent;
import io.ebean.plugin.BeanType;
import io.ebeaninternal.server.autotune.ProfilingListener;
import io.ebeaninternal.server.core.SpiOrmQueryRequest;
import io.ebeaninternal.server.deploy.BeanDescriptor;
import io.ebeaninternal.server.deploy.BeanPropertyAssocMany;
import io.ebeaninternal.server.deploy.TableJoin;
import io.ebeaninternal.server.query.CancelableQuery;
import io.ebeaninternal.server.querydefn.NaturalKeyBindParam;
import io.ebeaninternal.server.querydefn.OrmQueryDetail;
import io.ebeaninternal.server.querydefn.OrmUpdateProperties;
import io.ebeaninternal.server.rawsql.SpiRawSql;

import java.sql.Timestamp;
import java.util.List;
import java.util.Set;

/**
 * Object Relational query - Internal extension to Query object.
 */
public interface SpiQuery extends Query, TxnProfileEventCodes {

  enum Mode {
    NORMAL(false), LAZYLOAD_MANY(false), LAZYLOAD_BEAN(true), REFRESH_BEAN(true);

    Mode(boolean loadContextBean) {
      this.loadContextBean = loadContextBean;
    }

    private final boolean loadContextBean;

    public boolean isLoadContextBean() {
      return loadContextBean;
    }
  }

  /**
   * The type of query result.
   */
  enum Type {

    /**
     * Find by Id or unique returning a single bean.
     */
    BEAN(FIND_ONE),

    /**
     * Find returning a List.
     */
    LIST(FIND_MANY),

    /**
     * Find returning a Set.
     */
    SET(FIND_MANY),

    /**
     * Find returning a Map.
     */
    MAP(FIND_MANY),

    /**
     * Find iterate type query - findEach(), findIterate() etc.
     */
    ITERATE(FIND_ITERATE),

    /**
     * Find the Id's.
     */
    ID_LIST(FIND_ID_LIST),

    /**
     * Find single attribute.
     */
    ATTRIBUTE(FIND_ATTRIBUTE),

    /**
     * Find rowCount.
     */
    COUNT(FIND_COUNT),

    /**
     * A subquery used as part of a where clause.
     */
    SUBQUERY(FIND_SUBQUERY),

    /**
     * Delete query.
     */
    DELETE(FIND_DELETE, true),

    /**
     * Update query.
     */
    UPDATE(FIND_UPDATE, true);

    boolean update;
    String profileEventId;

    Type(String profileEventId) {
      this(profileEventId, false);
    }

    Type(String profileEventId, boolean update) {
      this.profileEventId = profileEventId;
      this.update = update;
    }

    /**
     * Return true if this is an Update or Delete query (not read only).
     */
    public boolean isUpdate() {
      return update;
    }

    public String profileEventId() {
      return profileEventId;
    }
  }

  enum TemporalMode {
    /**
     * Includes soft deletes rows in the result.
     */
    SOFT_DELETED,

    /**
     * Query runs against draft tables.
     */
    DRAFT,

    /**
     * Query runs against current data (normal).
     */
    CURRENT,

    /**
     * Query runs potentially returning many versions of the same bean.
     */
    VERSIONS,

    /**
     * Query runs 'As Of' a given date time.
     */
    AS_OF;

    /**
     * Return the mode of the query of if null return CURRENT mode.
     */
    public static TemporalMode of(SpiQuery query) {
      return (query != null) ? query.getTemporalMode() : TemporalMode.CURRENT;
    }
  }

  /**
   * Return the profile event id based on query mode and type.
   */
  String profileEventId();

  /**
   * Return the id used to identify a particular query for the given bean type.
   */
  short getProfileId();

  /**
   * Return the profile location for this query.
   */
  ProfileLocation getProfileLocation();

  /**
   * Return the label set on the query.
   */
  String getLabel();

  /**
   * Return true if this is a "find by id" query. This includes a check for a single "equal to" expression for the Id.
   */
  boolean isFindById();

  /**
   * Return true if this is a "find all" query. Used to set a "find all" profile location if necessary.
   */
  boolean isFindAll();

  /**
   * Return true if AutoTune should be attempted on this query.
   */
  boolean isAutoTunable();

  /**
   * Return true if this is a native sql query.
   */
  boolean isNativeSql();

  /**
   * Return the unmodified native sql query (with named params etc).
   */
  String getNativeSql();

  /**
   * Return the ForUpdate mode.
   */
  @Override
  ForUpdate getForUpdateMode();

  /**
   * Return the bean descriptor for this query.
   */
  BeanDescriptor getBeanDescriptor();

  /**
   * Return the query plan key.
   */
  Object getQueryPlanKey();

  /**
   * Return the RawSql that was set to use for this query.
   */
  SpiRawSql getRawSql();

  /**
   * Return true if this query should be executed against the doc store.
   */
  boolean isUseDocStore();

  /**
   * For doc store query return the document index name to search against.
   * This is for partitioned indexes (like daily logstash indexes etc).
   */
  String getDocIndexName();

  /**
   * Return the PersistenceContextScope that this query should use.
   * 

* This can be null and in that case use the default scope. *

*/ PersistenceContextScope getPersistenceContextScope(); /** * Return the origin key. */ String getOriginKey(); /** * Return the default lazy load batch size. */ int getLazyLoadBatchSize(); /** * Return true if select all properties was used to ensure the property * invoking a lazy load was included in the query. */ boolean selectAllForLazyLoadProperty(); /** * Set the query mode. */ void setMode(Mode m); /** * Return the query mode. */ Mode getMode(); /** * Return the Temporal mode for the query. */ TemporalMode getTemporalMode(); /** * Return true if this is a find versions between query. */ boolean isVersionsBetween(); /** * Return the find versions start timestamp. */ Timestamp getVersionStart(); /** * Return the find versions end timestamp. */ Timestamp getVersionEnd(); /** * Return true if this is a 'As Of' query. */ boolean isAsOfQuery(); /** * Return true if this is a 'As Draft' query. */ boolean isAsDraft(); /** * Return true if this query includes soft deleted rows. */ boolean isIncludeSoftDeletes(); /** * Return the asOf Timestamp which the query should run as. */ Timestamp getAsOf(); /** * Return true if the base table is using history. */ boolean isAsOfBaseTable(); /** * Set when the base table is using history. */ void setAsOfBaseTable(); /** * Increment the counter of tables used in 'As Of' query. */ void incrementAsOfTableCount(); /** * Return the table alias used for the base table. */ int getAsOfTableCount(); void addSoftDeletePredicate(String softDeletePredicate); List getSoftDeletePredicates(); /** * Return a copy of the query. */ @Override SpiQuery copy(); /** * Return a copy of the query attaching to a different EbeanServer. */ SpiQuery copy(SpiEbeanServer server); /** * Return the type of query (List, Set, Map, Bean, rowCount etc). */ Type getType(); /** * Set the query type (List, Set etc). */ void setType(Type type); /** * Return a more detailed description of the lazy or query load. */ String getLoadDescription(); /** * Return the load mode (+lazy or +query). */ String getLoadMode(); /** * This becomes a lazy loading query for a many relationship. */ void setLazyLoadForParents(BeanPropertyAssocMany many); /** * Return the lazy loading 'many' property. */ BeanPropertyAssocMany getLazyLoadMany(); /** * Set the load mode (+lazy or +query) and the load description. */ void setLoadDescription(String loadMode, String loadDescription); /** * Check that the named parameters have had their values set. */ void checkNamedParameters(); /** * Create a named parameter placeholder. */ SpiNamedParam createNamedParameter(String parameterName); /** * Return the joins required to support predicates on the many properties. */ ManyWhereJoins getManyWhereJoins(); /** * Reset AUTO mode to OFF for findList(). Expect explicit cache use with findList(). */ void resetBeanCacheAutoMode(boolean findOne); /** * Collect natural key data for this query or null if the query does not match * the requirements of natural key lookup. */ NaturalKeyQueryData naturalKey(); /** * Return a Natural Key bind parameter if supported by this query. */ NaturalKeyBindParam getNaturalKeyBindParam(); /** * Prepare the query for docstore execution with nested paths. */ void prepareDocNested(); /** * Set the query to be a delete query. */ void setDelete(); /** * Set the query to select the id property only. */ void setSelectId(); /** * Mark the query as selecting a single attribute. */ void setSingleAttribute(); /** * Return true if this is singleAttribute query. */ boolean isSingleAttribute(); /** * Return true if the query should include the Id property. *

* distinct and single attribute queries exclude the Id property. *

*/ boolean isWithId(); /** * Set a filter to a join path. */ void setFilterMany(String prop, ExpressionList filterMany); /** * Set the tenantId to use for lazy loading. */ void setTenantId(Object tenantId); /** * Return the tenantId to use for lazy loading. */ Object getTenantId(); /** * Set the path of the many when +query/+lazy loading query is executed. */ void setLazyLoadManyPath(String lazyLoadManyPath); /** * Convert joins as necessary to query joins etc. */ SpiQuerySecondary convertJoins(); /** * Return the TransactionContext. *

* If no TransactionContext is present on the query then the * TransactionContext from the Transaction is used (transaction scoped * persistence context). *

*/ PersistenceContext getPersistenceContext(); /** * Set an explicit TransactionContext (typically for a refresh query). *

* If no TransactionContext is present on the query then the * TransactionContext from the Transaction is used (transaction scoped * persistence context). *

*/ void setPersistenceContext(PersistenceContext transactionContext); /** * Return true if the query detail has neither select or joins specified. */ boolean isDetailEmpty(); /** * Return explicit AutoTune setting or null. If null then not explicitly * set so we use the default behaviour. */ Boolean isAutoTune(); /** * If return null then no profiling for this query. If a ProfilingListener is * returned this implies that profiling is turned on for this query (and all * the objects this query creates). */ ProfilingListener getProfilingListener(); /** * This has the effect of turning on profiling for this query. */ void setProfilingListener(ProfilingListener manager); /** * Return the origin point for the query. *

* This MUST be call prior to a query being changed via tuning. This is * because the queryPlanHash is used to identify the query point. *

*/ ObjectGraphNode setOrigin(CallStack callStack); /** * Set the profile point of the bean or collection that is lazy loading. *

* This enables use to hook this back to the original 'root' query by the * queryPlanHash and stackPoint. *

*/ void setParentNode(ObjectGraphNode node); /** * Set the property that invoked the lazy load and MUST be included in the * lazy loading query. */ void setLazyLoadProperty(String lazyLoadProperty); /** * Return the property that invoked lazy load. */ String getLazyLoadProperty(); /** * Used to hook back a lazy loading query to the original query (query * point). *

* This will return null or an "original" query. *

*/ ObjectGraphNode getParentNode(); /** * Return false when this is a lazy load or refresh query for a bean. *

* We just take/copy the data from those beans and don't collect AutoTune * usage profiling on those lazy load or refresh beans. *

*/ boolean isUsageProfiling(); /** * Set to false if this query should not be included in the AutoTune usage * profiling information. */ void setUsageProfiling(boolean usageProfiling); /** * Prepare the query which prepares sub-query expressions and calculates * and returns the query plan key. *

* The query plan excludes actual bind values (as they don't effect the query plan). *

*/ CQueryPlanKey prepare(SpiOrmQueryRequest request); /** * Calculate a hash based on the bind values used in the query. *

* Combined with queryPlanHash() to return getQueryHash (a unique hash for a * query). *

*/ int queryBindHash(); /** * Identifies queries that are exactly the same including bind variables. */ HashQuery queryHash(); /** * Return true if this is a RawSql query. */ boolean isRawSql(); /** * Return true if the query should have an order by appended automatically. */ boolean checkPagingOrderBy(); /** * Return true if there is no Order By clause. */ boolean orderByIsEmpty(); /** * Return the Order By clause or null if there is none defined. */ OrderBy getOrderBy(); /** * Can return null if no expressions where added to the where clause. */ SpiExpressionList getWhereExpressions(); /** * Can return null if no expressions where added to the having clause. */ SpiExpressionList getHavingExpressions(); /** * Return the text expressions. */ SpiExpressionList getTextExpression(); /** * Returns true if either firstRow or maxRows has been set. */ boolean hasMaxRowsOrFirstRow(); /** * Return true if the query should GET against bean cache. */ boolean isBeanCacheGet(); /** * Return true if the query should PUT against the bean cache. */ boolean isBeanCachePut(); /** * Return true if we must hit the DB (Cache reload or select for update). */ boolean isForceHitDatabase(); /** * Return the cache mode for using the bean cache (Get and Put). */ CacheMode getUseBeanCache(); /** * Return the cache mode if this query should use/check the query cache. */ CacheMode getUseQueryCache(); /** * Return true if the beans returned by this query should be read only. */ Boolean isReadOnly(); /** * Return the query timeout. */ int getTimeout(); /** * Return the bind parameters. */ BindParams getBindParams(); /** * Replace the query detail. This is used by the AutoTune feature to as a * fast way to set the query properties and joins. *

* Note care must be taken to keep the where, orderBy, firstRows and maxRows * held in the detail attributes. *

*/ void setDetail(OrmQueryDetail detail); /** * AutoTune tune the detail specifying properties to select on already defined joins * and adding extra joins where they are missing. */ boolean tuneFetchProperties(OrmQueryDetail detail); /** * If this is a RawSql based entity set the default RawSql if not set. */ void setDefaultRawSqlIfRequired(); /** * Set to true if this query has been tuned by autoTune. */ void setAutoTuned(boolean autoTuned); /** * Return the query detail. */ OrmQueryDetail getDetail(); /** * Return the extra join for a M2M lazy load. */ TableJoin getM2mIncludeJoin(); /** * Set the extra join for a M2M lazy load. */ void setM2MIncludeJoin(TableJoin includeTableJoin); /** * Return the property used to specify keys for a map. */ String getMapKey(); /** * Return the maximum number of rows to return in the query. */ @Override int getMaxRows(); /** * Return the index of the first row to return in the query. */ @Override int getFirstRow(); /** * Return true if lazy loading has been disabled on the query. */ boolean isDisableLazyLoading(); /** * Internally set by Ebean when this query must use the DISTINCT keyword. *

* This does not exclude/remove the use of the id property. */ void setSqlDistinct(boolean sqlDistinct); /** * Return true if this query has been specified by a user or internally by Ebean to use DISTINCT. */ boolean isDistinctQuery(); /** * Return true if this was internally set to sql distinct (ie. many where predicate). */ boolean isSqlDistinct(); /** * Return true if this query has been specified by a user to use DISTINCT. */ boolean isDistinct(); /** * Return true if the Id property is manually included in the query (DTO queries). */ boolean isManualId(); /** * Set to true when we only include the Id property if it is explicitly included in the select(). */ void setManualId(boolean manualId); /** * Set default select clauses where none have been explicitly defined. */ void setDefaultSelectClause(); /** * Set the generated sql for debug purposes. */ void setGeneratedSql(String generatedSql); /** * Set the JDBC fetchSize buffer hint if not explicitly set. */ void setDefaultFetchBuffer(int fetchSize); /** * Return the hint for Statement.setFetchSize(). */ int getBufferFetchSizeHint(); /** * Return true if read auditing is disabled on this query. */ boolean isDisableReadAudit(); /** * Return true if this is a query executing in the background. */ boolean isFutureFetch(); /** * Set to true to indicate the query is executing in a background thread * asynchronously. */ void setFutureFetch(boolean futureFetch); /** * Set the readEvent for future queries (as prepared in foreground thread). */ void setFutureFetchAudit(ReadEvent event); /** * Read the readEvent for future queries (null otherwise). */ ReadEvent getFutureFetchAudit(); /** * Set the underlying cancelable query (with the PreparedStatement). */ void setCancelableQuery(CancelableQuery cancelableQuery); /** * Return true if this query has been cancelled. */ boolean isCancelled(); /** * Return root table alias set by {@link #alias(String)} command. */ String getAlias(); /** * Validate the query returning the set of properties with unknown paths. */ Set validate(BeanType desc); /** * Return the properties for an update query. */ OrmUpdateProperties getUpdateProperties(); /** * Simplify nested expression lists where possible. */ void simplifyExpressions(); /** * Returns the count distinct order setting. */ CountDistinctOrder getCountDistinctOrder(); }





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