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Oracle Coherence Community Edition
/*
* Copyright (c) 2000, 2023, Oracle and/or its affiliates.
*
* Licensed under the Universal Permissive License v 1.0 as shown at
* https://oss.oracle.com/licenses/upl.
*/
package com.tangosol.util;
import com.tangosol.internal.util.PartitionedIndexMap;
import com.tangosol.io.ExternalizableLite;
import com.tangosol.io.pof.PofReader;
import com.tangosol.io.pof.PofWriter;
import com.tangosol.io.pof.PortableObject;
import com.tangosol.net.partition.PartitionSet;
import com.tangosol.util.aggregator.QueryRecorder;
import com.tangosol.util.filter.ArrayFilter;
import com.tangosol.util.filter.BetweenFilter;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.Collection;
import java.util.HashSet;
import java.util.IdentityHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.json.bind.annotation.JsonbProperty;
/**
* Simple QueryRecord implementation.
*
* @since Coherence 3.7.1
*
* @author tb 2011.05.26
*/
public class SimpleQueryRecord
implements QueryRecord, ExternalizableLite, PortableObject
{
// ----- Constructors ---------------------------------------------------
/**
* Default constructor (necessary for the ExternalizableLite
* interface).
*/
public SimpleQueryRecord()
{
}
/**
* Construct a SimpleQueryRecord from the given collection of partial
* results.
*
* @param type the record type
* @param colResults the collection of partial results
*/
public SimpleQueryRecord(QueryRecorder.RecordType type, Collection colResults)
{
m_type = type;
mergeResults(colResults);
}
// ----- QueryRecord interface ------------------------------------------
/**
* {@inheritDoc}
*/
public QueryRecorder.RecordType getType()
{
return m_type;
}
/**
* {@inheritDoc}
*/
public List getResults()
{
return m_listResults;
}
// ----- helper methods -------------------------------------------------
/**
* Merge the partial results from the associated record. Matching
* partial results are merged into a single result for the report.
*
* @param colResults the collection of partial results
*/
protected void mergeResults(Collection colResults)
{
List listResults = m_listResults;
for (Object oResult : colResults)
{
QueryRecord.PartialResult resultThat = (QueryRecord.PartialResult) oResult;
if (!resultThat.getSteps().isEmpty())
{
for (PartialResult resultThis : listResults)
{
if (resultThis.isMatching(resultThat))
{
resultThis.merge(resultThat);
resultThat = null;
break;
}
}
if (resultThat != null)
{
// no matching partial result found; create a new one
listResults.add(new PartialResult(resultThat));
}
}
}
}
// ----- ExternalizableLite interface ---------------------------
/**
* {@inheritDoc}
*/
public void readExternal(DataInput in)
throws IOException
{
m_type = QueryRecorder.RecordType.fromInt(in.readInt());
ExternalizableHelper.readCollection(in, m_listResults, null);
}
/**
* {@inheritDoc}
*/
public void writeExternal(DataOutput out)
throws IOException
{
out.writeInt(m_type.toInt());
ExternalizableHelper.writeCollection(out, m_listResults);
}
// ----- PortableObject interface --------------------------------
/**
* {@inheritDoc}
*/
public void readExternal(PofReader in)
throws IOException
{
m_type = QueryRecorder.RecordType.fromInt(in.readInt(0));
in.readCollection(1, m_listResults);
}
/**
* {@inheritDoc}
*/
public void writeExternal(PofWriter out)
throws IOException
{
out.writeInt(0, m_type.toInt());
out.writeCollection(1, m_listResults);
}
// ----- Object overrides -----------------------------------------------
/**
* {@inheritDoc}
*/
public String toString()
{
return SimpleQueryRecordReporter.report(this);
}
// ----- inner classes --------------------------------------------------
/**
* Simple QueryRecord.PartialResult implementation.
*/
public static class PartialResult
implements QueryRecord.PartialResult, ExternalizableLite, PortableObject
{
// ----- Constructors -------------------------------------------
/**
* Default constructor (necessary for the ExternalizableLite
* interface).
*/
public PartialResult()
{
}
/**
* Construct a PartialResult.
*
* @param partMask the partitions to be included in creating this
* partial result
*/
public PartialResult(PartitionSet partMask)
{
m_partMask = partMask;
}
/**
* Construct a PartialResult.
*
* @param ctx the query context
* @param partMask the partitions to be included in creating this
* partial result
*/
public PartialResult(QueryContext ctx, PartitionSet partMask)
{
this(partMask);
m_ctx = ctx;
}
/**
* Copy constructor for a Result.
*
* @param result the result to copy
*/
public PartialResult(QueryRecord.PartialResult result)
{
this(result.getPartitions());
List listSteps = m_listSteps;
for (QueryRecord.PartialResult.Step step : result.getSteps())
{
listSteps.add(new Step(step));
}
}
// ----- PartialResult interface --------------------------------
/**
* {@inheritDoc}
*/
public List getSteps()
{
return m_listSteps;
}
/**
* {@inheritDoc}
*/
public PartitionSet getPartitions()
{
return m_partMask;
}
// ----- helper methods -----------------------------------------
/**
* Instantiate a new explain step for the given filter and add it to
* this result's list of steps. This method is called on the server
* for the top level filter.
*
* @param filter the filter
*
* @return the new explain step
*/
public QueryRecord.PartialResult.ExplainStep instantiateExplainStep(Filter filter)
{
ExplainStep step = new ExplainStep(filter);
m_listSteps.add(step);
return step;
}
/**
* Instantiate a new trace step for the given filter and add it to
* this result's list of steps. This method is called on the server
* for the top level filter(s).
*
* @param filter the filter
*
* @return the new trace step
*/
public QueryRecord.PartialResult.TraceStep instantiateTraceStep(Filter filter)
{
TraceStep step = new TraceStep(filter);
m_listSteps.add(step);
return step;
}
/**
* Merge the given result with this one.
*
* @param result the result to merge
*/
protected void merge(QueryRecord.PartialResult result)
{
getPartitions().add(result.getPartitions());
List listStepsThis = m_listSteps;
List listStepsThat =
result.getSteps();
for (int i = 0; i < listStepsThat.size(); i++)
{
QueryRecord.PartialResult.Step step = listStepsThat.get(i);
Step mergeStep = listStepsThis.get(i);
mergeStep.merge(step);
}
}
/**
* Determine whether or not the given result is capable of being
* placed in one-to-one correspondence with this result. Results are
* matching if their owned lists of steps have the same size, and
* all pairs of steps in the two lists are matching.
*
* @param result the result to be checked
*
* @return true iff the given result matches with this result
*/
protected boolean isMatching(QueryRecord.PartialResult result)
{
List listStepsThis = m_listSteps;
List listStepsThat =
result.getSteps();
if (listStepsThis.size() != listStepsThat.size())
{
return false;
}
for (int i = 0; i < listStepsThis.size(); i++)
{
if (!listStepsThis.get(i).isMatching(listStepsThat.get(i)))
{
return false;
}
}
return true;
}
// ----- ExternalizableLite interface ---------------------------
/**
* {@inheritDoc}
*/
public void readExternal(DataInput in)
throws IOException
{
m_partMask = (PartitionSet) ExternalizableHelper.readObject(in);
ExternalizableHelper.readCollection(in, m_listSteps, null);
}
/**
* {@inheritDoc}
*/
public void writeExternal(DataOutput out)
throws IOException
{
ExternalizableHelper.writeObject(out, m_partMask);
// convert the list of RecordableSteps into Steps
List listSteps = new LinkedList();
for (Step step : m_listSteps)
{
listSteps.add(new Step(step));
}
ExternalizableHelper.writeCollection(out,listSteps);
}
// ----- PortableObject interface --------------------------------
/**
* {@inheritDoc}
*/
public void readExternal(PofReader in)
throws IOException
{
m_partMask = (PartitionSet) in.readObject(0);
in.readCollection(1, m_listSteps);
}
/**
* {@inheritDoc}
*/
public void writeExternal(PofWriter out)
throws IOException
{
out.writeObject(0, m_partMask);
// convert the list of RecordableSteps into Steps
List listSteps = new LinkedList();
for (Step step : m_listSteps)
{
listSteps.add(new Step(step));
}
out.writeCollection(1, listSteps);
}
// ----- inner classes ------------------------------------------
/**
* Simple QueryRecord.PartialResult.Step implementation.
*/
public static class Step
implements QueryRecord.PartialResult.Step, ExternalizableLite, PortableObject
{
// ----- Constructors ---------------------------------------
/**
* Default constructor (necessary for the ExternalizableLite
* interface).
*/
public Step()
{
}
/**
* Construct a step.
*
* @param filter the filter
*/
public Step(Filter filter)
{
if (filter instanceof ArrayFilter && !(filter instanceof BetweenFilter))
{
String sFullClass = filter.getClass().getName();
int ofDotClass = sFullClass.lastIndexOf('.');
m_sFilter = ofDotClass < 0 ? sFullClass : sFullClass.substring(ofDotClass + 1);
}
else
{
m_sFilter = filter.toString();
}
}
/**
* Copy constructor for a Step.
*
* @param step the step to copy
*/
public Step(QueryRecord.PartialResult.Step step)
{
m_sFilter = step.getFilterDescription();
m_nSizeIn = step.getPreFilterKeySetSize();
m_nSizeOut = step.getPostFilterKeySetSize();
m_nEfficiency = step.getEfficiency();
m_cMillis = step.getDuration();
for (QueryRecord.PartialResult.IndexLookupRecord record :
step.getIndexLookupRecords())
{
m_setIndexLookupRecords.add(new IndexLookupRecord(record));
}
for (QueryRecord.PartialResult.Step stepInner : step.getSteps())
{
m_listSubSteps.add(new Step(stepInner));
}
}
// ----- Step interface -------------------------------------
/**
* {@inheritDoc}
*/
public List getSteps()
{
return m_listSubSteps;
}
/**
* {@inheritDoc}
*/
public String getFilterDescription()
{
return m_sFilter;
}
/**
* {@inheritDoc}
*/
public Set
getIndexLookupRecords()
{
return m_setIndexLookupRecords;
}
/**
* {@inheritDoc}
*/
public int getEfficiency()
{
return m_nEfficiency;
}
/**
* {@inheritDoc}
*/
public int getPreFilterKeySetSize()
{
return m_nSizeIn;
}
/**
* {@inheritDoc}
*/
public int getPostFilterKeySetSize()
{
return m_nSizeOut;
}
/**
* {@inheritDoc}
*/
public long getDuration()
{
return m_cMillis;
}
// ----- helper methods -------------------------------------
/**
* Determine whether or not the given step is capable of being
* placed in one-to-one correspondence with this step. Steps are
* defined to be matching if both steps have equivalent name,
* index lookup records and owned lists of sub-steps.
*
* @param step the step to check
*
* @return true iff the given step matches with this step
*/
protected boolean isMatching(QueryRecord.PartialResult.Step step)
{
if (getFilterDescription().equals(step.getFilterDescription()) &&
getIndexLookupRecords().equals(step.getIndexLookupRecords()))
{
List listSteps =
step.getSteps();
if (m_listSubSteps.size() == listSteps.size())
{
int i = 0;
for (Step subStep : m_listSubSteps )
{
if (!subStep.isMatching(listSteps.get(i++)))
{
return false;
}
}
return true;
}
}
return false;
}
/**
* Merge the given step with this one. This method assumes that
* the given step matches with this one.
*
* @param step the step to merge
*/
protected void merge(QueryRecord.PartialResult.Step step)
{
m_nSizeIn += step.getPreFilterKeySetSize();
m_nSizeOut += step.getPostFilterKeySetSize();
m_nEfficiency += step.getEfficiency();
m_cMillis += step.getDuration();
Map mapIndexRecords =
((Set) step.getIndexLookupRecords()).stream().collect(Collectors.toMap(Function.identity(), Function.identity()));
for (IndexLookupRecord indexRecord : m_setIndexLookupRecords)
{
IndexLookupRecord stepIndexRecord = mapIndexRecords.get(indexRecord);
if (stepIndexRecord != null && stepIndexRecord.m_sIndex != null)
{
indexRecord.m_cBytes += stepIndexRecord.m_cBytes;
indexRecord.m_cDistinctValues = Math.max(indexRecord.m_cDistinctValues, stepIndexRecord.m_cDistinctValues);
indexRecord.m_sIndex = indexRecord.buildIndexDescription();
}
}
List listSteps =
step.getSteps();
int i = 0;
for (Step subStep : m_listSubSteps )
{
subStep.merge(listSteps.get(i++));
}
}
// ----- ExternalizableLite interface -----------------------
/**
* {@inheritDoc}
*/
public void readExternal(DataInput in)
throws IOException
{
m_sFilter = (String) ExternalizableHelper.readObject(in);
m_nEfficiency = in.readInt();
m_nSizeIn = in.readInt();
m_nSizeOut = in.readInt();
m_cMillis = in.readLong();
ExternalizableHelper.readCollection(in, m_setIndexLookupRecords, null);
ExternalizableHelper.readCollection(in, m_listSubSteps, null);
}
/**
* {@inheritDoc}
*/
public void writeExternal(DataOutput out)
throws IOException
{
ExternalizableHelper.writeObject(out, m_sFilter);
out.writeInt(m_nEfficiency);
out.writeInt(m_nSizeIn);
out.writeInt(m_nSizeOut);
out.writeLong(m_cMillis);
ExternalizableHelper.writeCollection(out, m_setIndexLookupRecords);
// convert the list of RecordableSteps into Steps
List listSteps = new LinkedList();
for (Step step : m_listSubSteps)
{
listSteps.add(new Step(step));
}
ExternalizableHelper.writeCollection(out, listSteps);
}
// ----- PortableObject interface ---------------------------
/**
* {@inheritDoc}
*/
public void readExternal(PofReader in)
throws IOException
{
m_sFilter = (String) in.readObject(0);
m_nEfficiency = in.readInt(1);
m_nSizeIn = in.readInt(2);
m_nSizeOut = in.readInt(3);
m_cMillis = in.readLong(4);
in.readCollection(5, m_setIndexLookupRecords);
in.readCollection(6, m_listSubSteps);
}
/**
* {@inheritDoc}
*/
public void writeExternal(PofWriter out)
throws IOException
{
out.writeObject( 0, m_sFilter);
out.writeInt( 1, m_nEfficiency);
out.writeInt( 2, m_nSizeIn);
out.writeInt( 3, m_nSizeOut);
out.writeLong( 4, m_cMillis);
out.writeCollection(5, m_setIndexLookupRecords);
// convert the list of RecordableSteps into Steps
List listSteps = new LinkedList();
for (Step step : m_listSubSteps)
{
listSteps.add(new Step(step));
}
out.writeCollection(6, listSteps);
}
// ----- data members ---------------------------------------
/**
* The filter description.
*/
@JsonbProperty("filter")
protected String m_sFilter;
/**
* The estimated cost.
*/
@JsonbProperty("efficiency")
protected int m_nEfficiency;
/**
* The pre-execution key set size.
*/
@JsonbProperty("keySetSizePre")
protected int m_nSizeIn = 0;
/**
* The post-execution key set size.
*/
@JsonbProperty("keySetSizePost")
protected int m_nSizeOut = 0;
/**
* The execution time in milliseconds.
*/
@JsonbProperty("millis")
protected long m_cMillis = 0L;
/**
* The set of index lookup records.
*/
@JsonbProperty("indexLookupRecords")
protected Set m_setIndexLookupRecords =
new HashSet();
/**
* The list of child steps.
*/
@JsonbProperty("subSteps")
protected List m_listSubSteps =
new LinkedList();
}
/**
* Simple abstract RecordableStep implementation.
*/
public abstract class AbstractRecordableStep
extends Step
implements QueryRecord.PartialResult.RecordableStep
{
/**
* Construct an AbstractRecordableStep.
*
* @param filter the step filter
*/
public AbstractRecordableStep(Filter filter)
{
super(filter);
}
// ----- RecordableStep interface ---------------------------
/**
* {@inheritDoc}
*/
public void recordPreFilterKeys(int nSizeIn)
{
m_nSizeIn += nSizeIn;
}
/**
* {@inheritDoc}
*/
public void recordExtractor(ValueExtractor extractor)
{
MapIndex index = m_ctx.getBackingMapContext().getIndexMap().get(extractor);
m_setIndexLookupRecords.add(new IndexLookupRecord(extractor, index));
}
// ----- data members ---------------------------------------
/**
* The Map of child steps.
*/
protected Map m_mapSteps =
new IdentityHashMap();
}
/**
* Simple QueryRecord.PartialResult.ExplainStep implementation.
*/
public class ExplainStep
extends AbstractRecordableStep
implements QueryRecord.PartialResult.ExplainStep
{
// ----- Constructors ---------------------------------------
/**
* Construct an ExplainStep
*
* @param filter the step filter
*/
public ExplainStep(Filter filter)
{
super(filter);
}
// ----- ExplainStep interface ------------------------------
/**
* {@inheritDoc}
*/
public void recordEfficiency(int nEfficiency)
{
m_nEfficiency = nEfficiency;
}
/**
* {@inheritDoc}
*/
public QueryRecord.PartialResult.ExplainStep ensureStep(Filter filter)
{
ExplainStep subStep = (ExplainStep) m_mapSteps.get(filter);
if (subStep == null)
{
subStep = new ExplainStep(filter);
m_mapSteps.put(filter, subStep);
m_listSubSteps.add(subStep);
}
return subStep;
}
}
/**
* Simple QueryRecord.PartialResult.TraceStep implementation.
*/
public class TraceStep
extends AbstractRecordableStep
implements QueryRecord.PartialResult.TraceStep
{
// ----- Constructors ---------------------------------------
/**
* Construct a TraceStep
*
* @param filter the step filter
*/
public TraceStep(Filter filter)
{
super(filter);
}
// ----- TraceStep interface --------------------------------
/**
* {@inheritDoc}
*/
public void recordPostFilterKeys(int nSizeOut)
{
m_nSizeOut += nSizeOut;
}
/**
* {@inheritDoc}
*/
public void recordDuration(long cMillisElapsed)
{
m_cMillis += cMillisElapsed;
}
/**
* {@inheritDoc}
*/
public QueryRecord.PartialResult.TraceStep ensureStep(Filter filter)
{
TraceStep subStep = (TraceStep) m_mapSteps.get(filter);
if (subStep == null)
{
subStep = new TraceStep(filter);
m_mapSteps.put(filter, subStep);
m_listSubSteps.add(subStep);
}
return subStep;
}
}
/**
* Simple QueryRecord.PartialResult.IndexLookupRecord implementation.
*/
public static class IndexLookupRecord
implements QueryRecord.PartialResult.IndexLookupRecord,
ExternalizableLite, PortableObject
{
// ----- Constructors ---------------------------------------
/**
* Default constructor (necessary for the ExternalizableLite
* interface).
*/
public IndexLookupRecord()
{
}
/**
* Construct an IndexLookupRecord.
*
* @param extractor the extractor
* @param index the index
*/
public IndexLookupRecord(ValueExtractor extractor, MapIndex index)
{
m_sExtractor = extractor.toString();
m_fOrdered = index != null && index.isOrdered();
String sIndex = null;
if (index != null)
{
if (index instanceof SimpleMapIndex)
{
if (index instanceof ConditionalIndex)
{
ConditionalIndex condIdx = (ConditionalIndex) index;
sIndex = "Conditional: Filter=" + condIdx.getFilter()
+ ", ForwardIndex=" + condIdx.isForwardIndexSupported() + ", ";
}
else
{
sIndex = "Simple: ";
}
m_cBytes = index.getUnits();
m_cDistinctValues = index.getIndexContents().size();
m_sIndexDef = sIndex;
sIndex = buildIndexDescription();
}
else if (index instanceof PartitionedIndexMap.PartitionedIndex)
{
sIndex = "Partitioned: ";
m_cBytes = index.getUnits();
m_cDistinctValues = index.getIndexContents().size();
m_sIndexDef = sIndex;
sIndex = buildIndexDescription();
}
else
{
sIndex = index.toString();
}
}
m_sIndex = sIndex;
}
/**
* Copy constructor for an IndexLookupRecord.
*
* @param record the record to copy
*/
public IndexLookupRecord(
QueryRecord.PartialResult.IndexLookupRecord record)
{
this(record.getExtractorDescription(),
record.getIndexDescription(),
record.isOrdered(),
((IndexLookupRecord) record).getMemoryUsage(),
((IndexLookupRecord) record).getSize(),
((IndexLookupRecord) record).getIndexDef());
}
/**
* Construct an IndexLookupRecord.
*
* @param sExtractor the extractor description
* @param sIndex the index description
* @param fOrdered indicates whether or not the associated
* index is ordered
* @param cBytes the index footprint
* @param cDistinctValues the index size
* @param sIndexDef the index definition
*/
protected IndexLookupRecord(String sExtractor, String sIndex, boolean fOrdered, long cBytes,
int cDistinctValues, String sIndexDef)
{
m_sExtractor = sExtractor;
m_sIndex = sIndex;
m_fOrdered = fOrdered;
m_cBytes = cBytes;
m_cDistinctValues = cDistinctValues;
m_sIndexDef = sIndexDef;
}
// ----- IndexLookupRecord interface ------------------------
/**
* {@inheritDoc}
*/
public String getExtractorDescription()
{
return m_sExtractor;
}
/**
* {@inheritDoc}
*/
public String getIndexDescription()
{
return m_sIndex;
}
/**
* Returns index memory usage in bytes.
*
* @return index memory usage in bytes; -1 if there is no index
*/
public long getMemoryUsage()
{
return m_cBytes;
}
/**
* Return index content map size.
*
* @return index content map size; -1 if there is no index
*/
public int getSize()
{
return m_cDistinctValues;
}
/**
* Returns the index definition.
*
* @return the index definition; null if there is no index
*/
public String getIndexDef()
{
return m_sIndexDef;
}
/**
* {@inheritDoc}
*/
public boolean isOrdered()
{
return m_fOrdered;
}
// ----- Object methods -------------------------------------
/**
* {@inheritDoc}
*/
public int hashCode()
{
return (m_fOrdered ? 1 : 0 ) +
Base.hashCode(m_sIndexDef) + m_sExtractor.hashCode();
}
/**
* {@inheritDoc}
*/
public boolean equals(Object o)
{
if (o instanceof IndexLookupRecord)
{
IndexLookupRecord that = (IndexLookupRecord) o;
// Note: IndexLookupRecords are considered equivalent based on
// the definition of the indices and not varying factors
// such as index footprint and size.
return m_fOrdered == that.m_fOrdered &&
m_sExtractor.equals(that.m_sExtractor) &&
Base.equals(this.m_sIndexDef, that.m_sIndexDef);
}
return false;
}
// ----- ExternalizableLite interface -----------------------
/**
* {@inheritDoc}
*/
public void readExternal(DataInput in)
throws IOException
{
m_sExtractor = (String) ExternalizableHelper.readObject(in);
m_sIndex = (String) ExternalizableHelper.readObject(in);
m_fOrdered = in.readBoolean();
if (m_sIndex != null)
{
parseIndexDescription(m_sIndex);
}
}
/**
* {@inheritDoc}
*/
public void writeExternal(DataOutput out)
throws IOException
{
ExternalizableHelper.writeObject(out, m_sExtractor);
ExternalizableHelper.writeObject(out, m_sIndex);
out.writeBoolean(m_fOrdered);
}
// ----- PortableObject interface ----------------------------
/**
* {@inheritDoc}
*/
public void readExternal(PofReader in)
throws IOException
{
m_sExtractor = (String) in.readObject(0);
m_sIndex = (String) in.readObject(1);
m_fOrdered = in.readBoolean(2);
if (m_sIndex != null)
{
parseIndexDescription(m_sIndex);
}
}
/**
* {@inheritDoc}
*/
public void writeExternal(PofWriter out)
throws IOException
{
out.writeObject(0, m_sExtractor);
out.writeObject(1, m_sIndex);
out.writeBoolean(2, m_fOrdered);
}
/**
* Build an index description for this index.
*
* @return an index description for this index if there is an index definition;
* null otherwise
*/
private String buildIndexDescription()
{
if (m_sIndexDef == null)
{
return m_sIndexDef;
}
String sFP = Base.toMemorySizeString(m_cBytes, false);
return m_sIndexDef + FOOTPRINT + (sFP.endsWith("B") ? sFP : sFP + "B")
+ MAP_SIZE + m_cDistinctValues;
}
/**
* Parses an index description into it's definition, footprint,
* and map size.
*
* @param sIndex the index description
*/
protected void parseIndexDescription(String sIndex)
{
int iStart = sIndex.indexOf(FOOTPRINT);
if (iStart <= 0)
{
return;
}
m_sIndexDef = sIndex.substring(0, iStart);
int iEnd = sIndex.indexOf(',', iStart);
m_cBytes = Base.parseMemorySize(sIndex.substring(iStart + FOOTPRINT_LEN, iEnd));
iStart = sIndex.indexOf(MAP_SIZE);
m_cDistinctValues = Integer.parseInt(sIndex.substring(iStart + MAP_SIZE_LEN));
}
// ----- constants ------------------------------------------
/*
* Footprint string in the index description.
*/
private static final String FOOTPRINT = "Footprint=";
/*
* Map size string in the index description.
*/
private static final String MAP_SIZE = ", Size=";
/*
* Footprint string length in the index description.
*/
private static final int FOOTPRINT_LEN = FOOTPRINT.length();
/*
* Map size string length in the index description.
*/
private static final int MAP_SIZE_LEN = MAP_SIZE.length();
// ----- data members ---------------------------------------
/**
* The extractor description.
*/
@JsonbProperty("extractor")
private String m_sExtractor;
/**
* The index description.
*/
@JsonbProperty("index")
private String m_sIndex;
/**
* Indicates whether or not the associated index is ordered.
*/
@JsonbProperty("ordered")
private boolean m_fOrdered;
/**
* The index type description.
*/
@JsonbProperty("indexDesc")
private String m_sIndexDef;
/**
* The index footprint in bytes.
*/
@JsonbProperty("bytes")
private long m_cBytes = -1;
/**
* The index content map size.
*/
@JsonbProperty("distinctValues")
private int m_cDistinctValues = -1;
}
// ----- data members -------------------------------------------
/**
* The map of steps.
*/
@JsonbProperty("steps")
protected List m_listSteps = new LinkedList();
/**
* The partitions.
*/
@JsonbProperty("partitionSet")
private PartitionSet m_partMask;
/**
* The query context used during the recording of the steps.
*/
private transient QueryContext m_ctx;
}
// ----- data members ---------------------------------------------------
/**
* This record type.
*/
@JsonbProperty("type")
private QueryRecorder.RecordType m_type;
/**
* The list of partial results.
*/
@JsonbProperty("results")
private List m_listResults =
new LinkedList();
}