ConstantPropagateProcFactory (Hive 1.2.2 API)

```
public final class ConstantPropagateProcFactory
extends Object
```
Factory for generating the different node processors used by ConstantPropagate.

Nested Classes
Modifier and Type	Class and Description
`static class`	`ConstantPropagateProcFactory.ConstantPropagateDefaultProc` The Default Node Processor for Constant Propagation.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateFileSinkProc` The Node Processor for constant propagation for FileSink Operators.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateFilterProc` Node Processor for Constant Propagation on Filter Operators.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateGroupByProc` Node Processor for Constant Propagate for Group By Operators.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateJoinProc` The Node Processor for Constant Propagation for Join Operators.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateReduceSinkProc` The Node Processor for Constant Propagation for ReduceSink Operators.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateSelectProc` The Node Processor for Constant Propagation for Select Operators.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateStopProc` The Node Processor for Constant Propagation for Operators which is designed to stop propagate.
`static class`	`ConstantPropagateProcFactory.ConstantPropagateTableScanProc` The Node Processor for Constant Propagation for Table Scan Operators.

Fields
Modifier and Type	Field and Description
`protected static org.apache.commons.logging.Log`	`LOG`
`protected static Set<Class<?>>`	`propagatableUdfs`

Methods
Modifier and Type	Method and Description
`static ExprNodeDesc`	`foldExpr(ExprNodeGenericFuncDesc funcDesc)`
`static ConstantPropagateProcFactory.ConstantPropagateDefaultProc`	`getDefaultProc()` Factory method to get the ConstantPropagateDefaultProc class.
`static NodeProcessor`	`getFileSinkProc()`
`static ConstantPropagateProcFactory.ConstantPropagateFilterProc`	`getFilterProc()` Factory method to get the ConstantPropagateFilterProc class.
`static ConstantPropagateProcFactory.ConstantPropagateGroupByProc`	`getGroupByProc()` Factory method to get the ConstantPropagateGroupByProc class.
`static NodeProcessor`	`getJoinProc()`
`static NodeProcessor`	`getReduceSinkProc()`
`static ConstantPropagateProcFactory.ConstantPropagateSelectProc`	`getSelectProc()` The Factory method to get the ConstantPropagateSelectProc class.
`static NodeProcessor`	`getStopProc()`
`static NodeProcessor`	`getTableScanProc()`
`static ColumnInfo`	`resolveColumn(RowSchema rs, ExprNodeColumnDesc desc)` Get ColumnInfo from column expression.

protected static final org.apache.commons.logging.Log LOG

protected static Set<Class<?>> propagatableUdfs

public static ColumnInfo resolveColumn(RowSchema rs,
                       ExprNodeColumnDesc desc)

Get ColumnInfo from column expression.

public static ExprNodeDesc foldExpr(ExprNodeGenericFuncDesc funcDesc)

public static NodeProcessor getFileSinkProc()

public static NodeProcessor getStopProc()

public static NodeProcessor getReduceSinkProc()

public static NodeProcessor getJoinProc()

public static NodeProcessor getTableScanProc()

Class ConstantPropagateProcFactory