Package org.apache.ignite.internal.processors.query.h2.sys.view

Class SqlAbstractLocalSystemView

java.lang.Object

org.apache.ignite.internal.processors.query.h2.sys.view.SqlAbstractSystemView

org.apache.ignite.internal.processors.query.h2.sys.view.SqlAbstractLocalSystemView

All Implemented Interfaces:

SqlSystemView

Direct Known Subclasses:

SystemViewLocal

public abstract class SqlAbstractLocalSystemView
extends SqlAbstractSystemView

Local system view base class (which uses only local node data).

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.sys.view.SqlAbstractSystemView

cols, ctx, DEFAULT_ROW_COUNT_APPROXIMATION, desc, indexes, log, tblName

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SqlAbstractLocalSystemView(String tblName, String desc, GridKernalContext ctx, String[] indexes, org.h2.table.Column... cols)
protected	SqlAbstractLocalSystemView(String tblName, String desc, GridKernalContext ctx, String indexedCols, org.h2.table.Column... cols)
protected	SqlAbstractLocalSystemView(String tblName, String desc, GridKernalContext ctx, org.h2.table.Column... cols)

Method Summary

Modifier and Type	Method	Description
protected SqlSystemViewColumnCondition	conditionForColumn(String colName, org.h2.result.SearchRow first, org.h2.result.SearchRow last)	Parse condition for column.
protected org.h2.result.Row	createRow(org.h2.engine.Session ses, Object... data)
protected int	getColumnIndex(String colName)	Gets column index by name.
boolean	isDistributed()
protected static @Nullable String	nodeFilter(CacheConfiguration<?,?> ccfg)	Get node's filter string representation.
protected static @Nullable String	toStringSafe(@Nullable Object obj)	Get string representation of an object properly catching all exceptions.
protected static UUID	uuidFromValue(org.h2.value.Value val)	Converts value to UUID safe (suppressing exceptions).
protected static org.h2.value.Value	valueTimestampFromMillis(long millis)	Converts millis to ValueTimestamp

Methods inherited from class org.apache.ignite.internal.processors.query.h2.sys.view.SqlAbstractSystemView

canGetRowCount, getColumns, getCreateSQL, getDescription, getIndexes, getRowCount, getRowCountApproximation, getTableName, newColumn, newColumn

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.processors.query.h2.sys.view.SqlSystemView

getRows

Constructor Detail

SqlAbstractLocalSystemView

protected SqlAbstractLocalSystemView(String tblName,
                                     String desc,
                                     GridKernalContext ctx,
                                     String[] indexes,
                                     org.h2.table.Column... cols)

Parameters:

tblName - Table name.

desc - Description.

ctx - Context.

indexes - Indexes.

cols - Columns.

SqlAbstractLocalSystemView

protected SqlAbstractLocalSystemView(String tblName,
                                     String desc,
                                     GridKernalContext ctx,
                                     String indexedCols,
                                     org.h2.table.Column... cols)

Parameters:

tblName - Table name.

desc - Description.

ctx - Context.

indexedCols - Indexed columns.

cols - Columns.

SqlAbstractLocalSystemView

protected SqlAbstractLocalSystemView(String tblName,
                                     String desc,
                                     GridKernalContext ctx,
                                     org.h2.table.Column... cols)

Parameters:

tblName - Table name.

desc - Description.

ctx - Context.

cols - Columns.

Method Detail

createRow

protected org.h2.result.Row createRow(org.h2.engine.Session ses,
                                      Object... data)

Parameters:

ses - Session.

data - Data for each column.

getColumnIndex

protected int getColumnIndex(String colName)

Gets column index by name.

Parameters:

colName - Column name.

isDistributed

public boolean isDistributed()

Returns:

True if view is distributed.

conditionForColumn

protected SqlSystemViewColumnCondition conditionForColumn(String colName,
                                                          org.h2.result.SearchRow first,
                                                          org.h2.result.SearchRow last)

Parse condition for column.

Parameters:

colName - Column name.

first - First.

last - Last.

uuidFromValue

protected static UUID uuidFromValue(org.h2.value.Value val)

Converts value to UUID safe (suppressing exceptions).

Parameters:

val - UUID.

valueTimestampFromMillis

protected static org.h2.value.Value valueTimestampFromMillis(long millis)

Converts millis to ValueTimestamp

Parameters:

millis - Millis.

nodeFilter

@Nullable
protected static @Nullable String nodeFilter(CacheConfiguration<?,?> ccfg)

Get node's filter string representation.

Parameters:

ccfg - Cache configuration.

Returns:

String representation of node filter.

toStringSafe

@Nullable
protected static @Nullable String toStringSafe(@Nullable
                                               @Nullable Object obj)

Get string representation of an object properly catching all exceptions.

Parameters:

obj - Object.

Returns:

Result or null.