Additional Examples of matchOvOnly
    
    
     The matchOvOnly is the optional nested attribute configuration
    property, which helps to define whether the OV values of sub-attributes will be considered when
    different values of the nested attributes are merged. 
For more information, see Attributes configuration.
Example #1:
matchOvOnly :
        true, when nested attributes are at the first level, and one of the nested
        attributes is
          ignored.
Precondition
Meta-configuration
"matchFieldURIs": [
"configuration/entityTypes/HCP/attributes/L1/attributes/EmailAddress"
],
"matchOvOnly": true
Steps
Create entity 1
[
  {
    "type": "configuration/entityTypes/HCP",
    "attributes": {
      "L1": [
        {
          "value": {
            "MdmID": [
              {
                "ov": false,
                "value": "v001"
              }
            ],
            "EmailAddress": [
              {
                "ov": false,
                "value": "id@host.com"
              }
            ]
          },
          "ignored": true,
          "ov": false
        }
      ]
    },
    "crosswalks": [
      {
        "type": "configuration/sources/FB",
        "sourceTable": "HCP",
        "value": "v003"
      }
    ]
  }
]
The
        nested attribute L1 is ignored = true. 
As a result, the nested value
        has OV = false. So, all the sub-nested-attributes of L1 (MdmID,
        EmailAddress) are OV = false.
[
  {
    "type": "configuration/entityTypes/HCP",
    "attributes": {
      "L1": [
        {
          "value": {
            "MdmID": [
              {
                "value": "v001"
              }
            ],
            "EmailAddress": [
              {
                "value": "id@host.com"
              }
            ]
          }
        }
      ]
    },
    "crosswalks": [
      {
        "type": "configuration/sources/FB",
        "sourceTable": "HCP",
        "value": "v002"
      }
    ]
  }
]Nested
        attribute L1 has OV = true. All sub-nested-attributes of L1
          (MdmID, EmailAddress) are OV =
        true.
Result
The resulting entity after the merge has two nested attribute values. One value is nested from first entity. The other value is nested from the second entity. Due tomatchOvOnly:
        true, they will not be merged even if they have the same values for
        EmailAddress.Example #2:
matchOvOnly : true
        when the nested attributes at the first level, and both nested values are OV =
          true.
Precondition
Meta-configuration
"matchFieldURIs": [
    "configuration/entityTypes/HCP/attributes/L1/attributes/EmailAddress"
],
"matchOvOnly": trueSteps
Create entity 1
[
  {
    "type": "configuration/entityTypes/HCP",
    "attributes": {
      "L1": [
        {
          "value": {
            "MdmID": [
              {
                "ov": false,
                "value": "v001"
              }
            ],
            "EmailAddress": [
              {
                "ov": false,
                "value": "id@host.com"
              }
            ]
          },
          "ov": false
        }
      ]
    },
    "crosswalks": [
      {
        "type": "configuration/sources/FB",
        "sourceTable": "HCP",
        "value": "v003"
      }
    ]
  }
]
Nested
        attribute L1 is OV = true. All sub-nested attributes of L1
          (MdmID, EmailAddress) are OV =
        true.
[
  {
    "type": "configuration/entityTypes/HCP",
    "attributes": {
      "L1": [
        {
          "value": {
            "MdmID": [
              {
                "value": "v001"
              }
            ],
            "EmailAddress": [
              {
                "value": "id@host.com"
              }
            ]
          }
        }
      ]
    },
    "crosswalks": [
      {
        "type": "configuration/sources/FB",
        "sourceTable": "HCP",
        "value": "v002"
      }
    ]
  }
]
Nested
        attribute L1 is OV = true. All sub-nested attributes of L1
          (MdmID, EmailAddress) are OV =
        true.
Result
After the merge of the entities, two nested attributes from source entities were merged and became one nested attribute in the resulting entity.
Example #3:
The matchOvOnly :
          true when nested attributes are at the second level and one of the nested
        attributes is
          ignored.
Precondition
Meta-configuration
configuration/entityTypes/HCP/attributes/L1
"matchFieldURIs": [
 "configuration/entityTypes/HCP/attributes/L1/attributes/Email",
 "configuration/entityTypes/HCP/attributes/L1/attributes/Type"
]
"matchOvOnly": true
configuration/entityTypes/HCP/attributes/L1/attributes/L2:
"matchFieldURIs": [
 "configuration/entityTypes/HCP/attributes/L1/attributes/L2/attributes/Email",
 "configuration/entityTypes/HCP/attributes/L1/attributes/L2/attributes/Type"
]
"matchOvOnly": trueSteps
Create entity 1
[
  {
    "type": "configuration/entityTypes/HCP",
    "attributes": {
      "L1": [
        {
          "value": {
            "MdmID": [
              {
                "value": "v001"
              }
            ],
            "Type": [
              {
                "value": "Office"
              }
            ],
            "Email": [
              {
                "value": "id@host.com"
              }
            ],
            "L2": [
              {
                "value": {
                  "MdmID": [
                    {
                      "value": "v001_inner"
                    }
                  ],
                  "Type": [
                    {
                      "value": "Office_inner"
                    }
                  ],
                  "Email": [
                    {
                      "value": "id@host.com_inner"
                    }
                  ]
                }
              }
            ]
          }
        }
      ]
    },
    "crosswalks": [
      {
        "type": "configuration/sources/FB",
        "sourceTable": "HCP",
        "value": "v003"
      }
    ]
  }
]
The
        nested attribute Email and L2 are OV = true. All sub-nested attributes of
        L2 are OV = true.
[
  {
    "type": "configuration/entityTypes/HCP",
    "attributes": {
      "L1": [
        {
          "value": {
            "MdmID": [
              {
                "value": "v001"
              }
            ],
            "Type": [
              {
                "value": "Office"
              }
            ],
            "Email": [
              {
                "value": "id@host.com"
              }
            ],
            "L2": [
              {
                "value": {
                  "MdmID": [
                    {
                      "value": "v001_inner"
                    }
                  ],
                  "Type": [
                    {
                      "value": "Office_inner"
                    }
                  ],
                  "Email": [
                    {
                      "value": "id@host.com_inner"
                    }
                  ]
                },
                "ignored": true,
                "ov": false
              }
            ]
          }
        }
      ]
    },
    "crosswalks": [
      {
        "type": "configuration/sources/FB",
        "sourceTable": "HCP",
        "value": "v002"
      }
    ]
  }
]
Nested
        attribute L1 is OV = true, L2 is OV = false. All
        sub-nested attributes of L2 is OV = false since their upper nested are OV =
          false.
Result
After marge
        the resulting entity has one nested attribute L1. There are two sub-nested L2 attributes
        inside L1 attribute, one with OV = true and one with OV =
          false.
Example #4:
The matchOvOnly is
          true when the nested attributes are at the second level.  Both nested
        values are
          true.
Precondition
Meta-configuration
configuration/entityTypes/HCP/attributes/L1
"matchFieldURIs": [
 "configuration/entityTypes/HCP/attributes/L1/attributes/Email",
 "configuration/entityTypes/HCP/attributes/L1/attributes/Type"
]
"matchOvOnly": true
configuration/entityTypes/HCP/attributes/L1/attributes/L2:
"matchFieldURIs": [
 "configuration/entityTypes/HCP/attributes/L1/attributes/L2/attributes/Email",
 "configuration/entityTypes/HCP/attributes/L1/attributes/L2/attributes/Type"
]
"matchOvOnly": true
Steps
Create entity 1
[
 {
   "type": "configuration/entityTypes/HCP",
   "attributes": {
     "L1": [
       {
         "value": {
           "MdmID": [
             {
               "value": "v001"
             }
           ],
           "Type": [
             {
               "value": "Office"
             }
           ],
           "Email": [
             {
               "value": "id@host.com"
             }
           ],
           "L2": [
             {
               "value": {
                 "MdmID": [
                   {
                     "value": "v001_inner"
                   }
                 ],
                 "Type": [
                   {
                     "value": "Office_inner"
                   }
                 ],
                 "Email": [
                   {
                     "value": "id@host.com_inner"
                   }
                 ]
               }
             }
           ]
         }
       }
     ]
   },
   "crosswalks": [
     {
       "type": "configuration/sources/FB",
       "sourceTable": "HCP",
       "value": "v003"
     }
   ]
 }
]
Nested
        attribute Email and L2 are OV = true. All sub-nested
        attributes of L2 are OV = true.
[
 {
   "type": "configuration/entityTypes/HCP",
   "attributes": {
     "L1": [
       {
         "value": {
           "MdmID": [
             {
               "value": "v001"
             }
           ],
           "Type": [
             {
               "value": "Office"
             }
           ],
           "Email": [
             {
               "value": "id@host.com"
             }
           ],
           "L2": [
             {
               "value": {
                 "MdmID": [
                   {
                     "value": "v001_inner"
                   }
                 ],
                 "Type": [
                   {
                     "value": "Office_inner"
                   }
                 ],
                 "Email": [
                   {
                     "value": "id@host.com_inner"
                   }
                 ]
               }
             }
           ]
         }
       }
     ]
   },
   "crosswalks": [
     {
       "type": "configuration/sources/FB",
       "sourceTable": "HCP",
       "value": "v002"
     }
   ]
 }
]
Nested
        attribute email has OV = true. Also, L2 has OV = true.
        
Result
The resulting entity after the merge
        will have one nested attribute Email. If there is one sub-nested L2 inside
          Email attribute, then the sub-nested attributes are merged.
Example #5:
The matchOvOnly :
          true when the nested attributes are at the second level and one of the
        nested at the first level is
          ignored.
Precondition
Meta-configuration
configuration/entityTypes/HCP/attributes/L1
"matchFieldURIs": [
 "configuration/entityTypes/HCP/attributes/L1/attributes/Email",
 "configuration/entityTypes/HCP/attributes/L1/attributes/Type"
]
"matchOvOnly": true
configuration/entityTypes/HCP/attributes/L1/attributes/L2:
"matchFieldURIs": [
 "configuration/entityTypes/HCP/attributes/L1/attributes/L2/attributes/Email",
 "configuration/entityTypes/HCP/attributes/L1/attributes/L2/attributes/Type"
]
"matchOvOnly": trueSteps
Create entity 1
[
 {
   "type": "configuration/entityTypes/HCP",
   "attributes": {
     "L1": [
       {
         "value": {
           "MdmID": [
             {
               "value": "v001"
             }
           ],
           "Type": [
             {
               "value": "Office"
             }
           ],
           "Email": [
             {
               "value": "id@host.com"
             }
           ],
           "L2": [
             {
               "value": {
                 "MdmID": [
                   {
                     "value": "v001_inner"
                   }
                 ],
                 "Type": [
                   {
                     "value": "Office_inner"
                   }
                 ],
                 "Email": [
                   {
                     "value": "id@host.com_inner"
                   }
                 ]
               }
             }
           ]
         }
       }
     ]
   },
   "crosswalks": [
     {
       "type": "configuration/sources/FB",
       "sourceTable": "HCP",
       "value": "v003"
     }
   ]
 }
]The
      nested attribute L1 and L2 both are OV = true. All sub-nested-attributes of
      L2 have OV = true.Create entity 2
[
 {
   "type": "configuration/entityTypes/HCP",
   "attributes": {
     "L1": [
       {
         "value": {
           "MdmID": [
             {
               "value": "v001"
             }
          ],
           "Type": [
             {
               "value": "Office"
             }
           ],
           "Email": [
             {
               "value": "id@host.com"
             }
           ],
           "L2": [
             {
               "value": {
                 "MdmID": [
                   {
                     "value": "v001_inner"
                   }
                 ],
                 "Type": [
                   {
                     "value": "Office_inner"
                   }
                 ],
                 "Email": [
                   {
                     "value": "id@host.com_inner"
                   }
                 ]
               }
             }
           ]
         },
         "ignored": true,
         "ov": false
       }
     ]
   },
   "crosswalks": [
     {
       "type": "configuration/sources/FB",
       "sourceTable": "HCP",
       "value": "v002"
     }
    ]
  }
 ]
The
        nested attribute L1 is OV = false, L2 has OV = true.
        
Result
The resulting entity after the merge
        has two nested attributes of Email.