com.redhat.rhn.common.db.datasource

Class CachedStatement

java.lang.Object

com.redhat.rhn.common.db.datasource.CachedStatement

All Implemented Interfaces:

java.io.Serializable

public class CachedStatement
extends java.lang.Object
implements java.io.Serializable

A cached set of query/elaborator strings and the parameterMap hash maps.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	BATCH_SIZE The size above which queries are split into multiple queries, each of this size.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getAlias() Get the query's alias
int	getArity() Returns the arity of the statement
java.lang.String	getColumn() Get the column used to relate driving queries and elaborators
java.lang.String	getName() Get the query's name
java.lang.String	getOrigQuery() Get the original query string
java.lang.String	getQuery() Get the query string
void	modifyQuery(java.lang.String replaceToken, java.util.List<java.lang.String> valueList, QuerySanitizer querySanitizer) Modify the sql statement by replacing the specified token with the specified list of String values.
DataResult<?>	restartQuery() Restart the latest query

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BATCH_SIZE

public static final int BATCH_SIZE

The size above which queries are split into multiple queries, each of this size.

See Also:

Constant Field Values

Method Detail

getArity

public int getArity()

Returns the arity of the statement

Returns:

number of parameters

getAlias

public java.lang.String getAlias()

Get the query's alias

Returns:

the querys alias

getName

public java.lang.String getName()

Get the query's name

Returns:

the querys name

getQuery

public java.lang.String getQuery()

Get the query string

Returns:

the query string

getOrigQuery

public java.lang.String getOrigQuery()

Get the original query string

Returns:

the original query, before the named bind parameters were removed.

getColumn

public java.lang.String getColumn()

Get the column used to relate driving queries and elaborators

Returns:

column name.

modifyQuery

public void modifyQuery(java.lang.String replaceToken,
                        java.util.List<java.lang.String> valueList,
                        QuerySanitizer querySanitizer)

Modify the sql statement by replacing the specified token with the specified list of String values.

Parameters:

replaceToken - The text in the sql statement to be replaced.

valueList - The list of String values to be quoted and concatenated together in a comma-separated list that replaces the replaceToken.

querySanitizer - An optional sanitizer used to check each value.

restartQuery

public DataResult<?> restartQuery()

Restart the latest query

Returns:

what the previous query returned or null.