com.tangosol.coherence.dslquery.statement

Class QueryRecorderStatementBuilder.QueryRecorderStatement

java.lang.Object

com.tangosol.util.Base

com.tangosol.coherence.dslquery.statement.AbstractStatement

com.tangosol.coherence.dslquery.statement.QueryRecorderStatementBuilder.QueryRecorderStatement

All Implemented Interfaces:

Statement

Enclosing class:

QueryRecorderStatementBuilder

public static class QueryRecorderStatementBuilder.QueryRecorderStatement
extends AbstractStatement

Implementation of the CohQL "QueryRecorder" command.

Nested Class Summary

Nested classes/interfaces inherited from class com.tangosol.util.Base

Base.LoggingWriter, Base.StackFrame

Field Summary

Fields

Modifier and Type	Field and Description
protected QueryRecorder<Object,Object>	f_aggregator The type of query recorder to run.
protected Filter	f_filter The Filter to be explained or traced.
protected String	f_sCacheName The name of the cache to query.

Fields inherited from class com.tangosol.util.Base

LOG_ALWAYS, LOG_DEBUG, LOG_ERR, LOG_INFO, LOG_MAX, LOG_MIN, LOG_QUIET, LOG_WARN, POWER_0, POWER_G, POWER_K, POWER_M, POWER_T, UNIT_D, UNIT_H, UNIT_M, UNIT_MS, UNIT_NS, UNIT_S, UNIT_US

Constructor Summary

Constructors

Constructor and Description
QueryRecorderStatement(String sCacheName, Filter filter, QueryRecorder.RecordType type) Construct a QueryRecorderStatement that produces a plan or trace of the specified filter query against the specified cache.

Method Summary

Modifier and Type	Method and Description
StatementResult	execute(ExecutionContext ctx) Execute a CohQL query or command and return the relevant result.
void	sanityCheck(ExecutionContext ctx) Perform sanity checks on the statement that will be executed.
void	showPlan(PrintWriter out) Output to the provided PrintWriter a human readable trace of the actions that will be taken by this statement if or when executed.

Methods inherited from class com.tangosol.coherence.dslquery.statement.AbstractStatement

assertCacheName, getExecutionConfirmation

Methods inherited from class com.tangosol.util.Base

azzert, azzert, azzert, azzertFailed, breakLines, breakLines, capitalize, checkNotEmpty, checkNotNull, checkRange, computeSafeWaitTime, decimalValue, dup, dup, ensureBigDecimal, ensureClassLoader, ensureRuntimeException, ensureRuntimeException, equals, equalsDeep, err, err, err, err, err, escape, formatDateTime, getCallerStackFrame, getCommonMonitor, getCommonMonitor, getCommonMonitor, getContextClassLoader, getContextClassLoader, getDeepMessage, getErr, getLastSafeTimeMillis, getLog, getMaxDecDigits, getMaxHexDigits, getOriginalException, getOut, getProcessRandom, getRandom, getRandomBinary, getRandomBinary, getRandomString, getSafeTimeMillis, getStackFrame, getStackFrames, getStackTrace, getStackTrace, getThreadFactory, getTimeZone, getUpTimeMillis, hashCode, hexValue, indentString, indentString, isDecimal, isHex, isLogEcho, isOctal, log, log, log, log, log, makeInteger, makeLong, makeThread, mod, mod, octalValue, out, out, out, out, out, pad, parseBandwidth, parseBandwidth, parseDelimitedString, parseHex, parseHex, parseMemorySize, parseMemorySize, parsePercentage, parseTime, parseTime, parseTimeNanos, parseTimeNanos, printStackTrace, randomize, randomize, randomize, randomize, read, read, read, read, read, read, read, replace, setErr, setLog, setLogEcho, setOut, sleep, toBandwidthString, toBandwidthString, toCharEscape, toCrc, toCrc, toCrc, toCrc, toCrc, toDecString, toDelimitedString, toDelimitedString, toDelimitedString, toDelimitedString, toHex, toHex, toHexDump, toHexEscape, toHexEscape, toHexEscape, toHexEscape, toHexString, toMemorySizeString, toMemorySizeString, toQuotedCharEscape, toQuotedStringEscape, toSqlString, toString, toString, toStringEscape, toUnicodeEscape, trace, trace, trace, trace, trace, trace, trace, trace, trace, truncateString, truncateString, wait

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.tangosol.coherence.dslquery.Statement

isManagingTimeout

Field Detail

f_sCacheName

protected final String f_sCacheName

The name of the cache to query.

f_filter

protected final Filter f_filter

The Filter to be explained or traced.

f_aggregator

protected final QueryRecorder<Object,Object> f_aggregator

The type of query recorder to run.

Constructor Detail

QueryRecorderStatement

public QueryRecorderStatement(String sCacheName,
                              Filter filter,
                              QueryRecorder.RecordType type)

Construct a QueryRecorderStatement that produces a plan or trace of the specified filter query against the specified cache.

Parameters:

sCacheName - the cache to be queried

filter - the Filter to show the plan or trace for

type - the type of query recorder - explain plan or trace

Method Detail

execute

public StatementResult execute(ExecutionContext ctx)

Description copied from interface: Statement

Execute a CohQL query or command and return the relevant result.

Parameters:

ctx - the context to use

Returns:

a StatementResult containing the results of executing the statement

showPlan

public void showPlan(PrintWriter out)

Description copied from interface: Statement

Output to the provided PrintWriter a human readable trace of the actions that will be taken by this statement if or when executed.

Parameters:

out - the PrintWriter to write the trace to

sanityCheck

public void sanityCheck(ExecutionContext ctx)

Description copied from interface: Statement

Perform sanity checks on the statement that will be executed.

Implementations can fail sanity checking by throwing an unchecked exception (RuntimeException).

Specified by:

sanityCheck in interface Statement

Overrides:

sanityCheck in class AbstractStatement

Parameters:

ctx - the context to use