| Name | Description | Type | Package | Framework |
| Aggregator | Interface for Aggregator. | Interface | org.apache.giraph.aggregators | Giraph |
| AggregatorUsage | Master and workers can access aggregators through this interface. | Interface | org.apache.giraph.aggregators | Giraph |
| AggregatorWriter | An AggregatorWriter is used to export Aggregators during or at the end of each computation. | Interface | org.apache.giraph.aggregators | Giraph |
| BasicAggregator | Abstract class for Aggregator. | Class | org.apache.giraph.aggregators | Giraph |
| BooleanAndAggregator | Aggregator for calculating the AND function over boolean values. | Class | org.apache.giraph.aggregators | Giraph |
| BooleanOrAggregator | Aggregator for calculating the OR function over boolean values. | Class | org.apache.giraph.aggregators | Giraph |
| BooleanOverwriteAggregator | Aggregator that stores a value that is overwritten once another value is aggregated. | Class | org.apache.giraph.aggregators | Giraph |
| DoubleDenseMatrix | A double matrix holds the values of the entries in double vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| DoubleDenseMatrixSumAggregator | Class | org.apache.giraph.aggregators.matrix.dense | Giraph | |
| DoubleDenseVector | The double dense vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| DoubleDenseVectorSumAggregator | The double dense vector aggregator is used to aggregate double dense vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| DoubleMaxAggregator | Aggregator for getting max double value. | Class | org.apache.giraph.aggregators | Giraph |
| DoubleMinAggregator | Aggregator for getting min double value. | Class | org.apache.giraph.aggregators | Giraph |
| DoubleOverwriteAggregator | Aggregator that stores a value that is overwritten once another value is aggregated. | Class | org.apache.giraph.aggregators | Giraph |
| DoubleProductAggregator | Aggregator for calculating products of double values. | Class | org.apache.giraph.aggregators | Giraph |
| DoubleSparseMatrix | A double matrix holds the values of the entries in double vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| DoubleSparseMatrixSumAggregator | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph | |
| DoubleSparseVector | The double vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| DoubleSparseVectorSumAggregator | The double vector aggregator is used to aggregate double vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| DoubleSumAggregator | Aggregator for summing up double values. | Class | org.apache.giraph.aggregators | Giraph |
| FloatDenseMatrix | A float matrix holds the values of the entries in float vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| FloatDenseMatrixSumAggregator | Class | org.apache.giraph.aggregators.matrix.dense | Giraph | |
| FloatDenseVector | The float dense vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| FloatDenseVectorSumAggregator | The float dense vector aggregator is used to aggregate float dense vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| FloatMaxAggregator | Aggregator for getting max float value. | Class | org.apache.giraph.aggregators | Giraph |
| FloatMinAggregator | Aggregator for getting min float value. | Class | org.apache.giraph.aggregators | Giraph |
| FloatOverwriteAggregator | Aggregator that stores a value that is overwritten once another value is aggregated. | Class | org.apache.giraph.aggregators | Giraph |
| FloatProductAggregator | Aggregator for calculating products of float values. | Class | org.apache.giraph.aggregators | Giraph |
| FloatSparseMatrix | A float matrix holds the values of the entries in float vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseMatrixSumAggregator | The float matrix aggregator is used to register and aggregate float matrices. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseVector | The float vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseVectorSumAggregator | The float vector aggregator is used to aggregate float vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSumAggregator | Aggregator for summing up float values. | Class | org.apache.giraph.aggregators | Giraph |
| IntDenseMatrix | A int matrix holds the values of the entries in int vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| IntDenseMatrixSumAggregator | Class | org.apache.giraph.aggregators.matrix.dense | Giraph | |
| IntDenseVector | The int dense vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| IntDenseVectorSumAggregator | Class | org.apache.giraph.aggregators.matrix.dense | Giraph | |
| IntMaxAggregator | Aggregator for getting max integer value. | Class | org.apache.giraph.aggregators | Giraph |
| IntMinAggregator | Aggregator for getting min integer value. | Class | org.apache.giraph.aggregators | Giraph |
| IntOverwriteAggregator | Aggregator that stores a value that is overwritten once another value is aggregated. | Class | org.apache.giraph.aggregators | Giraph |
| IntProductAggregator | Aggregator for calculating products of long and integer values. | Class | org.apache.giraph.aggregators | Giraph |
| IntSparseMatrix | A int matrix holds the values of the entries in int vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseMatrixSumAggregator | The int matrix aggregator is used to register and aggregate int matrices. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseVector | The int vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseVectorSumAggregator | The float vector aggregator is used to aggregate float vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSumAggregator | Aggregator for summing up integer values. | Class | org.apache.giraph.aggregators | Giraph |
| LongDenseMatrix | A long matrix holds the values of the entries in long vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| LongDenseMatrixSumAggregator | Class | org.apache.giraph.aggregators.matrix.dense | Giraph | |
| LongDenseVector | The long dense vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| LongDenseVectorSumAggregator | The long dense vector aggregator is used to aggregate long dense vectors. | Class | org.apache.giraph.aggregators.matrix.dense | Giraph |
| LongMaxAggregator | Aggregator for getting max long value. | Class | org.apache.giraph.aggregators | Giraph |
| LongMinAggregator | Aggregator for getting min long value. | Class | org.apache.giraph.aggregators | Giraph |
| LongOverwriteAggregator | Aggregator that stores a value that is overwritten once another value is aggregated. | Class | org.apache.giraph.aggregators | Giraph |
| LongProductAggregator | Aggregator for calculating products of long values. | Class | org.apache.giraph.aggregators | Giraph |
| LongSparseMatrix | A long matrix holds the values of the entries in long vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseMatrixSumAggregator | The long matrix aggregator is used to register and aggregate long matrices. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseVector | The long vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseVectorSumAggregator | The long vector aggregator is used to aggregate long vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSumAggregator | Aggregator for summing up long values. | Class | org.apache.giraph.aggregators | Giraph |
| MatrixSumAggregator | The abstract matrix aggregator contains the prefix name of the vector aggregators that have the values of the rows. | Class | org.apache.giraph.aggregators.matrix | Giraph |
| TextAggregatorWriter | Default implementation of AggregatorWriter. | Class | org.apache.giraph.aggregators | Giraph |
| TextAppendAggregator | Class | org.apache.giraph.aggregators | Giraph | |