BranchDescription

MatchMode

Transients

Macros

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
#ifndef DataFormats_Provenance_BranchDescription_h
#define DataFormats_Provenance_BranchDescription_h

/*----------------------------------------------------------------------

BranchDescription: The full description of a Branch.
This description also applies to every product instance on the branch.

----------------------------------------------------------------------*/
#include "DataFormats/Provenance/interface/BranchID.h"
#include "DataFormats/Provenance/interface/BranchType.h"
#include "DataFormats/Provenance/interface/ProvenanceFwd.h"
#include "FWCore/Utilities/interface/TypeID.h"
#include "FWCore/Reflection/interface/TypeWithDict.h"

#include <iosfwd>
#include <map>
#include <set>
#include <string>

#if (not defined __INCLUDE_LEVEL__ or __INCLUDE_LEVEL__ > 0) and \
    not defined(DataFormats_Provenance_ProductDescription_h)
#error The name BranchDescription is deprecated, please use ProductDescription instead.
#endif
/*
  BranchDescription

  definitions:
  The event-independent description of an EDProduct.

*/

namespace edm {
  class BranchDescription {
  public:
    static int const invalidSplitLevel = -1;
    static int const invalidBasketSize = 0;
    enum MatchMode { Strict = 0, Permissive };

    BranchDescription();

    BranchDescription(BranchType const& branchType,
                      std::string const& moduleLabel,
                      std::string const& processName,
                      std::string const& className,
                      std::string const& friendlyClassName,
                      std::string const& productInstanceName,
                      TypeWithDict const& theTypeWithDict,
                      bool produced = true,
                      bool availableOnlyAtEndTransition = false,
                      std::set<std::string> const& aliases = std::set<std::string>());

    BranchDescription(BranchDescription const& aliasForBranch,
                      std::string const& moduleLabelAlias,
                      std::string const& productInstanceAlias);

    ~BranchDescription() {}

    void init() {
      initBranchName();
      initFromDictionary();
    }

    void initBranchName();

    void initFromDictionary();

    void write(std::ostream& os) const;

    void merge(BranchDescription const& other);

    std::string const& moduleLabel() const { return moduleLabel_; }
    std::string const& processName() const { return processName_; }
    BranchID const& branchID() const { return branchID_; }
    BranchID const& aliasForBranchID() const { return aliasForBranchID_; }
    bool isAlias() const { return aliasForBranchID_.isValid() && produced(); }
    BranchID const& originalBranchID() const { return aliasForBranchID_.isValid() ? aliasForBranchID_ : branchID_; }
    std::string const& fullClassName() const { return fullClassName_; }
    std::string const& className() const { return fullClassName(); }
    std::string const& friendlyClassName() const { return friendlyClassName_; }
    std::string const& productInstanceName() const { return productInstanceName_; }
    bool produced() const { return transient_.produced_; }
    void setProduced(bool isProduced) { transient_.produced_ = isProduced; }
    bool isTransform() const { return transient_.isTransform_; }
    void setIsTransform(bool isTransform) { transient_.isTransform_ = isTransform; }
    bool present() const { return !transient_.dropped_; }
    bool dropped() const { return transient_.dropped_; }
    void setDropped(bool isDropped) { transient_.dropped_ = isDropped; }
    //returns true if unscheduled (produced()==true) or using delayed reader (produced()==false)
    bool onDemand() const { return transient_.onDemand_; }
    void setOnDemand(bool isOnDemand) { transient_.onDemand_ = isOnDemand; }
    bool availableOnlyAtEndTransition() const { return transient_.availableOnlyAtEndTransition_; }
    bool transient() const { return transient_.transient_; }
    void setTransient(bool isTransient) { transient_.transient_ = isTransient; }
    TypeWithDict const& wrappedType() const { return transient_.wrappedType_; }
    void setWrappedType(TypeWithDict const& type) { transient_.wrappedType_ = type; }
    TypeWithDict const& unwrappedType() const { return transient_.unwrappedType_; }
    void setUnwrappedType(TypeWithDict const& type) { transient_.unwrappedType_ = type; }
    TypeID wrappedTypeID() const { return TypeID(transient_.wrappedType_.typeInfo()); }
    TypeID unwrappedTypeID() const { return TypeID(transient_.unwrappedType_.typeInfo()); }

    bool isSwitchAlias() const { return not transient_.switchAliasModuleLabel_.empty(); }
    std::string const& switchAliasModuleLabel() const { return transient_.switchAliasModuleLabel_; }
    void setSwitchAliasModuleLabel(std::string label) { transient_.switchAliasModuleLabel_ = std::move(label); }
    BranchID const& switchAliasForBranchID() const { return transient_.switchAliasForBranchID_; }
    void setSwitchAliasForBranch(BranchDescription const& aliasForBranch);

    bool isAnyAlias() const { return isAlias() or isSwitchAlias(); }

    bool isProvenanceSetOnRead() const noexcept { return transient_.isProvenanceSetOnRead_; }
    void setIsProvenanceSetOnRead(bool value = true) noexcept { transient_.isProvenanceSetOnRead_ = value; }

    std::set<std::string> const& branchAliases() const { return branchAliases_; }
    void insertBranchAlias(std::string const& alias) { branchAliases_.insert(alias); }
    std::string const& branchName() const { return transient_.branchName_; }
    void clearBranchName() { transient_.branchName_.clear(); }
    BranchType const& branchType() const { return branchType_; }
    std::string const& wrappedName() const { return transient_.wrappedName_; }
    void setWrappedName(std::string const& name) { transient_.wrappedName_ = name; }

    bool isMergeable() const { return transient_.isMergeable_; }
    void setIsMergeable(bool v) { transient_.isMergeable_ = v; }

    void updateFriendlyClassName();

    void initializeTransients() { transient_.reset(); }

    struct Transients {
      Transients();

      void reset();

      // The branch name, which is currently derivable from the other attributes.
      std::string branchName_;

      // The wrapped class name, which is currently derivable from the other attributes.
      std::string wrappedName_;

      // For SwitchProducer alias, the label of the aliased-for label; otherwise empty
      std::string switchAliasModuleLabel_;

      // Need a separate (transient) BranchID for switch, because
      // otherwise originalBranchID() gives wrong answer when reading
      // from a file (leading to wrong ProductProvenance to be retrieved)
      BranchID switchAliasForBranchID_;

      // A TypeWithDict object for the wrapped object
      // This is set if and only if the dropped_ is false
      TypeWithDict wrappedType_;

      // A TypeWithDict object for the unwrapped object
      // This is set if and only if the dropped_ is false
      TypeWithDict unwrappedType_;

      // Was this branch produced in this process rather than in a previous process
      bool produced_;

      // Was this branch produced in this current process and by unscheduled production
      // This item is set only in the framework, not by FWLite.
      bool onDemand_;

      // Was this branch produced in this current process via the transform ability
      bool isTransform_;

      // Has the branch been dropped from the product tree in this file
      // (or if this is a merged product registry, in the first file).
      // This item is set only in the framework, not by FWLite.
      bool dropped_;

      // Is the class of the branch marked as transient
      // in the data dictionary
      bool transient_;

      // if Run or Lumi based, can only get at end transition
      bool availableOnlyAtEndTransition_;

      // True if the product definition has a mergeProduct function
      // and the branchType is Run or Lumi
      bool isMergeable_;

      // True if provenance is set on call from input on read
      bool isProvenanceSetOnRead_ = false;
    };

  private:
    void throwIfInvalid_() const;

    // What tree is the branch in?
    BranchType branchType_;

    // A human friendly string that uniquely identifies the EDProducer
    // and becomes part of the identity of a product that it produces
    std::string moduleLabel_;

    // the physical process that this program was part of (e.g. production)
    std::string processName_;

    // An ID uniquely identifying the branch
    BranchID branchID_;

    // the full name of the type of product this is
    std::string fullClassName_;

    // a readable name of the type of product this is
    std::string friendlyClassName_;

    // a user-supplied name to distinguish multiple products of the same type
    // that are produced by the same producer
    std::string productInstanceName_;

    // The branch ROOT alias(es), which are settable by the user.
    std::set<std::string> branchAliases_;

    // If this branch *is* an EDAlias, this field is the BranchID
    // of the branch for which this branch is an alias.
    // If this branch is not an EDAlias, the normal case, this field is 0.
    BranchID aliasForBranchID_;

    Transients transient_;
  };

  inline std::ostream& operator<<(std::ostream& os, BranchDescription const& p) {
    p.write(os);
    return os;
  }

  bool operator<(BranchDescription const& a, BranchDescription const& b);

  bool operator==(BranchDescription const& a, BranchDescription const& b);

  bool combinable(BranchDescription const& a, BranchDescription const& b);

  std::string match(BranchDescription const& a, BranchDescription const& b, std::string const& fileName);
}  // namespace edm
#endif