EqualTypeExpression (OpenJPA Parent POM 2.4.0 API)

java.lang.Object
- org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression
- - org.apache.openjpa.jdbc.kernel.exps.EqualTypeExpression

All Implemented Interfaces:

Serializable, Exp, Expression
```
 class EqualTypeExpression
extends CompareEqualExpression
```
Compares two entity types.

Author:

Catalina Wei

Constructor Summary

Constructors
Constructor and Description

EqualTypeExpression(Val val1, Val val2)
Constructor.

Constructors
Constructor and Description
`EqualTypeExpression(Val val1, Val val2)` Constructor.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`appendTo(Select sel, ExpContext ctx, BinaryOpExpState bstate, SQLBuffer buf, boolean val1Null, boolean val2Null)` Append the SQL for the comparison.
`void`	`appendTo(Select sel, ExpContext ctx, ExpState state, SQLBuffer buf)` Append the SQL for this expression to the given buffer.
`(package private) void`	`processVerticalTypeAppend(Select sel, Val val1, Val val2, ExpContext ctx, SQLBuffer buf)`

Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression
acceptVisit, getValue1, getValue2, initialize, isDirectComparison, selectColumns

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EqualTypeExpression

public EqualTypeExpression(Val val1,
                   Val val2)

Constructor. Supply values to compare.

Method Detail

appendTo
```
public void appendTo(Select sel,
            ExpContext ctx,
            ExpState state,
            SQLBuffer buf)
```
Description copied from interface: Exp

Append the SQL for this expression to the given buffer. The SQL should optionally include any joins this expression needs.

Specified by:

appendTo in interface Exp

Overrides:

appendTo in class CompareEqualExpression

appendTo

public void appendTo(Select sel,
            ExpContext ctx,
            BinaryOpExpState bstate,
            SQLBuffer buf,
            boolean val1Null,
            boolean val2Null)

Description copied from class: CompareEqualExpression

Append the SQL for the comparison.

Specified by:: appendTo in class CompareEqualExpression

processVerticalTypeAppend

void processVerticalTypeAppend(Select sel,
                             Val val1,
                             Val val2,
                             ExpContext ctx,
                             SQLBuffer buf)

Class EqualTypeExpression

Constructor Summary

Method Summary

Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression

Methods inherited from class java.lang.Object

Constructor Detail

EqualTypeExpression

Method Detail

appendTo

appendTo

processVerticalTypeAppend