{
  "version":"2.0",
  "metadata":{
    "apiVersion":"2019-07-11",
    "endpointPrefix":"session.qldb",
    "jsonVersion":"1.0",
    "protocol":"json",
    "serviceAbbreviation":"QLDB Session",
    "serviceFullName":"Amazon QLDB Session",
    "serviceId":"QLDB Session",
    "signatureVersion":"v4",
    "signingName":"qldb",
    "targetPrefix":"QLDBSession",
    "uid":"qldb-session-2019-07-11"
  },
  "operations":{
    "SendCommand":{
      "name":"SendCommand",
      "http":{
        "method":"POST",
        "requestUri":"/"
      },
      "input":{"shape":"SendCommandRequest"},
      "output":{"shape":"SendCommandResult"},
      "errors":[
        {"shape":"BadRequestException"},
        {"shape":"InvalidSessionException"},
        {"shape":"OccConflictException"},
        {"shape":"RateExceededException"},
        {"shape":"LimitExceededException"},
        {"shape":"CapacityExceededException"}
      ]
    }
  },
  "shapes":{
    "AbortTransactionRequest":{
      "type":"structure",
      "members":{
      }
    },
    "AbortTransactionResult":{
      "type":"structure",
      "members":{
        "TimingInformation":{"shape":"TimingInformation"}
      }
    },
    "BadRequestException":{
      "type":"structure",
      "members":{
        "Message":{"shape":"ErrorMessage"},
        "Code":{"shape":"ErrorCode"}
      },
      "exception":true
    },
    "CapacityExceededException":{
      "type":"structure",
      "members":{
        "Message":{"shape":"ErrorMessage"}
      },
      "exception":true
    },
    "CommitDigest":{"type":"blob"},
    "CommitTransactionRequest":{
      "type":"structure",
      "required":[
        "TransactionId",
        "CommitDigest"
      ],
      "members":{
        "TransactionId":{"shape":"TransactionId"},
        "CommitDigest":{"shape":"CommitDigest"}
      }
    },
    "CommitTransactionResult":{
      "type":"structure",
      "members":{
        "TransactionId":{"shape":"TransactionId"},
        "CommitDigest":{"shape":"CommitDigest"},
        "TimingInformation":{"shape":"TimingInformation"},
        "ConsumedIOs":{"shape":"IOUsage"}
      }
    },
    "EndSessionRequest":{
      "type":"structure",
      "members":{
      }
    },
    "EndSessionResult":{
      "type":"structure",
      "members":{
        "TimingInformation":{"shape":"TimingInformation"}
      }
    },
    "ErrorCode":{"type":"string"},
    "ErrorMessage":{"type":"string"},
    "ExecuteStatementRequest":{
      "type":"structure",
      "required":[
        "TransactionId",
        "Statement"
      ],
      "members":{
        "TransactionId":{"shape":"TransactionId"},
        "Statement":{"shape":"Statement"},
        "Parameters":{"shape":"StatementParameters"}
      }
    },
    "ExecuteStatementResult":{
      "type":"structure",
      "members":{
        "FirstPage":{"shape":"Page"},
        "TimingInformation":{"shape":"TimingInformation"},
        "ConsumedIOs":{"shape":"IOUsage"}
      }
    },
    "FetchPageRequest":{
      "type":"structure",
      "required":[
        "TransactionId",
        "NextPageToken"
      ],
      "members":{
        "TransactionId":{"shape":"TransactionId"},
        "NextPageToken":{"shape":"PageToken"}
      }
    },
    "FetchPageResult":{
      "type":"structure",
      "members":{
        "Page":{"shape":"Page"},
        "TimingInformation":{"shape":"TimingInformation"},
        "ConsumedIOs":{"shape":"IOUsage"}
      }
    },
    "IOUsage":{
      "type":"structure",
      "members":{
        "ReadIOs":{"shape":"ReadIOs"},
        "WriteIOs":{"shape":"WriteIOs"}
      }
    },
    "InvalidSessionException":{
      "type":"structure",
      "members":{
        "Message":{"shape":"ErrorMessage"},
        "Code":{"shape":"ErrorCode"}
      },
      "exception":true
    },
    "IonBinary":{
      "type":"blob",
      "max":131072,
      "min":1
    },
    "IonText":{
      "type":"string",
      "max":1048576,
      "min":1
    },
    "LedgerName":{
      "type":"string",
      "max":32,
      "min":1,
      "pattern":"(?!^.*--)(?!^[0-9]+$)(?!^-)(?!.*-$)^[A-Za-z0-9-]+$"
    },
    "LimitExceededException":{
      "type":"structure",
      "members":{
        "Message":{"shape":"ErrorMessage"}
      },
      "exception":true
    },
    "OccConflictException":{
      "type":"structure",
      "members":{
        "Message":{"shape":"ErrorMessage"}
      },
      "exception":true
    },
    "Page":{
      "type":"structure",
      "members":{
        "Values":{"shape":"ValueHolders"},
        "NextPageToken":{"shape":"PageToken"}
      }
    },
    "PageToken":{
      "type":"string",
      "max":1024,
      "min":4,
      "pattern":"^[A-Za-z-0-9+/=]+$"
    },
    "ProcessingTimeMilliseconds":{"type":"long"},
    "RateExceededException":{
      "type":"structure",
      "members":{
        "Message":{"shape":"ErrorMessage"}
      },
      "exception":true
    },
    "ReadIOs":{"type":"long"},
    "SendCommandRequest":{
      "type":"structure",
      "members":{
        "SessionToken":{"shape":"SessionToken"},
        "StartSession":{"shape":"StartSessionRequest"},
        "StartTransaction":{"shape":"StartTransactionRequest"},
        "EndSession":{"shape":"EndSessionRequest"},
        "CommitTransaction":{"shape":"CommitTransactionRequest"},
        "AbortTransaction":{"shape":"AbortTransactionRequest"},
        "ExecuteStatement":{"shape":"ExecuteStatementRequest"},
        "FetchPage":{"shape":"FetchPageRequest"}
      }
    },
    "SendCommandResult":{
      "type":"structure",
      "members":{
        "StartSession":{"shape":"StartSessionResult"},
        "StartTransaction":{"shape":"StartTransactionResult"},
        "EndSession":{"shape":"EndSessionResult"},
        "CommitTransaction":{"shape":"CommitTransactionResult"},
        "AbortTransaction":{"shape":"AbortTransactionResult"},
        "ExecuteStatement":{"shape":"ExecuteStatementResult"},
        "FetchPage":{"shape":"FetchPageResult"}
      }
    },
    "SessionToken":{
      "type":"string",
      "max":1024,
      "min":4,
      "pattern":"^[A-Za-z-0-9+/=]+$"
    },
    "StartSessionRequest":{
      "type":"structure",
      "required":["LedgerName"],
      "members":{
        "LedgerName":{"shape":"LedgerName"}
      }
    },
    "StartSessionResult":{
      "type":"structure",
      "members":{
        "SessionToken":{"shape":"SessionToken"},
        "TimingInformation":{"shape":"TimingInformation"}
      }
    },
    "StartTransactionRequest":{
      "type":"structure",
      "members":{
      }
    },
    "StartTransactionResult":{
      "type":"structure",
      "members":{
        "TransactionId":{"shape":"TransactionId"},
        "TimingInformation":{"shape":"TimingInformation"}
      }
    },
    "Statement":{
      "type":"string",
      "max":100000,
      "min":1
    },
    "StatementParameters":{
      "type":"list",
      "member":{"shape":"ValueHolder"}
    },
    "TimingInformation":{
      "type":"structure",
      "members":{
        "ProcessingTimeMilliseconds":{"shape":"ProcessingTimeMilliseconds"}
      }
    },
    "TransactionId":{
      "type":"string",
      "max":22,
      "min":22,
      "pattern":"^[A-Za-z-0-9]+$"
    },
    "ValueHolder":{
      "type":"structure",
      "members":{
        "IonBinary":{"shape":"IonBinary"},
        "IonText":{"shape":"IonText"}
      }
    },
    "ValueHolders":{
      "type":"list",
      "member":{"shape":"ValueHolder"}
    },
    "WriteIOs":{"type":"long"}
  }
}