QueryExpression (Oracle WebCenter Sites Java API Reference)

```
public interface QueryExpression
```
QueryExpression represents a query that could be performed in Search Engine.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`QueryExpression`	`and(QueryExpression q)` Combine the two QueryExpression with an "and" operation
`QueryExpression`	`and(String fieldname, Operation op, List values)` The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`QueryExpression`	`and(String fieldname, Operation op, List values, boolean negate)` The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`QueryExpression`	`and(String fieldname, Operation op, Object value)` The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`QueryExpression`	`and(String fieldname, Operation op, Object value, boolean negate)` The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`com.fatwire.cs.core.util.BinaryTree<Object>`	`getBinaryTree()` Gets the binary tree representation of all the query conditions specified in this QueryExpression
`int`	`getMaxResults()` Gets the max number of results that the search engine would return from this query
`List<SortOrder>`	`getSortOrder()` Gets the list of SortOrder that search engine would use when runs this query
`int`	`getStartIndex()` Gets the starting index from which to return the query results
`String`	`getStringFormat()` Gets a String representation of the QueryExpression
`QueryExpression`	`or(QueryExpression q)` Combine the two QueryExpression with an "or" operation
`QueryExpression`	`or(String fieldname, Operation op, List values)` The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`QueryExpression`	`or(String fieldname, Operation op, List values, boolean negate)` The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`QueryExpression`	`or(String fieldname, Operation op, Object value)` The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`QueryExpression`	`or(String fieldname, Operation op, Object value, boolean negate)` The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
`void`	`setMaxResults(int max)` Sets the max number of results that the search engine would return from this query
`void`	`setSortOrder(List<SortOrder> so)` Sets the list of SortOrder that search engine would use when runs this query
`void`	`setStartIndex(int start)` Sets the starting index of which we want the query results to be returned from

- Method Detail
  - getStringFormat
```
String getStringFormat()
```
    Gets a String representation of the QueryExpression
    
    Returns:
    
    the String representation of the QueryExpression
  - and
```
QueryExpression and(String fieldname,
                    Operation op,
                    Object value)
```
    The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    value - the value of the additional query
    
    Returns:
    
    a new QueryExpression that represents "and" between the current QueryExpression and the condition passed in
  - and
```
QueryExpression and(String fieldname,
                    Operation op,
                    Object value,
                    boolean negate)
```
    The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    value - the value of the additional query
    
    negate - whether the new Query is a negative condition which indicates "not" true for the additional query
    
    Returns:
    
    a new QueryExpression that represents "and" between the current QueryExpression and the condition passed in
  - and
```
QueryExpression and(String fieldname,
                    Operation op,
                    List values)
```
    The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    values - the values of the additional query
    
    Returns:
    
    a new QueryExpression that represents "and" between the current QueryExpression and the condition passed in
  - and
```
QueryExpression and(String fieldname,
                    Operation op,
                    List values,
                    boolean negate)
```
    The method does an and operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    values - the values of the additional query
    
    negate - whether the new Query is a negative condition which indicates "not" true for the additional query
    
    Returns:
    
    a new QueryExpression that represents "and" between the current QueryExpression and the condition passed in
  - or
```
QueryExpression or(String fieldname,
                   Operation op,
                   Object value)
```
    The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    value - the value of the additional query
    
    Returns:
    
    a new QueryExpression that represents "or" between the current QueryExpression and the condition passed in
  - or
```
QueryExpression or(String fieldname,
                   Operation op,
                   Object value,
                   boolean negate)
```
    The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    value - the value of the additional query
    
    negate - whether the new Query is a negative condition which indicates "not" true for the additional query
    
    Returns:
    
    a new QueryExpression that represents "or" between the current QueryExpression and the condition passed in
  - or
```
QueryExpression or(String fieldname,
                   Operation op,
                   List values)
```
    The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    values - the values of the additional query
    
    Returns:
    
    a new QueryExpression that represents "or" between the current QueryExpression and the condition passed in
  - or
```
QueryExpression or(String fieldname,
                   Operation op,
                   List values,
                   boolean negate)
```
    The method does an or operation between this QueryExpression and the query specified by fieldname, op and value and returns a new QueryExpression that represents the result of the and operation
    
    Parameters:
    
    fieldname - the name of the field of the additional query
    
    op - the query operation of the additional query
    
    values - the values of the additional query
    
    negate - whether the new Query is a negative condition which indicates "not" true for the additional query
    
    Returns:
    
    a new QueryExpression that represents "or" between the current QueryExpression and the condition passed in
  - and
```
QueryExpression and(QueryExpression q)
```
    Combine the two QueryExpression with an "and" operation
    
    Parameters:
    
    q - the QueryExpression to combine with the current one
    
    Returns:
    
    the QueryExpression resulted from the "and" operation of the two QueryExpressions
  - or
```
QueryExpression or(QueryExpression q)
```
    Combine the two QueryExpression with an "or" operation
    
    Parameters:
    
    q - the QueryExpression to combine with the current one
    
    Returns:
    
    the QueryExpression resulted from the "or" operation of the two QueryExpressions
  - getStartIndex
```
int getStartIndex()
```
    Gets the starting index from which to return the query results
    
    Returns:
    
    the starting index
  - setStartIndex
```
void setStartIndex(int start)
```
    Sets the starting index of which we want the query results to be returned from
    
    Parameters:
    
    start - the starting index
  - getMaxResults
```
int getMaxResults()
```
    Gets the max number of results that the search engine would return from this query
    
    Returns:
    
    the int number of max results
  - setMaxResults
```
void setMaxResults(int max)
```
    Sets the max number of results that the search engine would return from this query
    
    Parameters:
    
    max - the int number of max results
  - setSortOrder
```
void setSortOrder(List<SortOrder> so)
```
    Sets the list of SortOrder that search engine would use when runs this query
    
    Parameters:
    
    so - the list of SortOrder
  - getSortOrder
```
List<SortOrder> getSortOrder()
```
    Gets the list of SortOrder that search engine would use when runs this query
    
    Returns:
    
    the list of SortOrder
  - getBinaryTree
```
com.fatwire.cs.core.util.BinaryTree<Object> getBinaryTree()
```
    Gets the binary tree representation of all the query conditions specified in this QueryExpression
    
    Returns:
    
    the BinaryTree representation of all the conditions in this QueryExpression

Interface QueryExpression

Method Summary

Method Detail

getStringFormat

and

and

and

and

or

or

or

or

and

or

getStartIndex

setStartIndex

getMaxResults

setMaxResults

setSortOrder

getSortOrder

getBinaryTree