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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (PIG-1032) FINDBUGS: DM_STRING_CTOR: Method invokes inefficient new String(String) constructor
Date Thu, 12 Nov 2009 01:26:39 GMT

     [ https://issues.apache.org/jira/browse/PIG-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates reassigned PIG-1032:
-------------------------------

    Assignee: Olga Natkovich

> FINDBUGS: DM_STRING_CTOR: Method invokes inefficient new String(String) constructor
> -----------------------------------------------------------------------------------
>
>                 Key: PIG-1032
>                 URL: https://issues.apache.org/jira/browse/PIG-1032
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Olga Natkovich
>            Assignee: Olga Natkovich
>         Attachments: PIG-1032.patch
>
>
> Dm 	Method org.apache.pig.backend.executionengine.PigSlice.init(DataStorage) invokes
toString() method on a String
> Dm 	org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.copyHadoopConfLocally(String)
invokes inefficient new String(String) constructor
> Dm 	org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getFirstLineFromMessage(String)
invokes inefficient new String(String) constructor
> Dm 	org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.BinaryComparisonOperator.initializeRefs()
invokes inefficient Boolean constructor; use Boolean.valueOf(...) instead
> Dm 	org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ExpressionOperator.clone()
invokes inefficient new String(String) constructor
> Dm 	org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(String)
invokes inefficient new String(String) constructor
> Dm 	org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.PONot.getNext(Boolean)
invokes inefficient Boolean constructor; use Boolean.valueOf(...) instead
> Dm 	org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan.clone()
invokes inefficient new String(String) constructor
> Dm 	new org.apache.pig.data.TimestampedTuple(String, String, int, SimpleDateFormat) invokes
inefficient new String(String) constructor
> Dm 	org.apache.pig.impl.io.PigNullableWritable.toString() invokes inefficient new String(String)
constructor
> Dm 	org.apache.pig.impl.logicalLayer.LOForEach.clone() invokes inefficient Boolean constructor;
use Boolean.valueOf(...) instead
> Dm 	org.apache.pig.impl.logicalLayer.LOGenerate.clone() invokes inefficient Boolean constructor;
use Boolean.valueOf(...) instead
> Dm 	org.apache.pig.impl.logicalLayer.LogicalPlan.clone() invokes inefficient new String(String)
constructor
> Dm 	org.apache.pig.impl.logicalLayer.LOSort.clone() invokes inefficient Boolean constructor;
use Boolean.valueOf(...) instead
> Dm 	org.apache.pig.impl.logicalLayer.optimizer.ImplicitSplitInserter.transform(List)
invokes inefficient Boolean constructor; use Boolean.valueOf(...) instead
> Dm 	org.apache.pig.impl.logicalLayer.RemoveRedundantOperators.visit(LOProject) invokes
inefficient new String(String) constructor
> Dm 	org.apache.pig.impl.logicalLayer.schema.Schema.getField(String) invokes inefficient
new String(String) constructor
> Dm 	org.apache.pig.impl.logicalLayer.schema.Schema.reconcile(Schema) invokes inefficient
new String(String) constructor
> Dm 	org.apache.pig.impl.logicalLayer.validators.TypeCheckingVisitor.insertCastForEachInBetweenIfNecessary(LogicalOperator,
LogicalOperator, Schema) invokes inefficient Boolean constructor; use Boolean.valueOf(...)
instead]
> Dm 	org.apache.pig.impl.util.SpillableMemoryManager.handleNotification(Notification,
Object) forces garbage collection; extremely dubious except in benchmarking code
> Dm 	org.apache.pig.pen.AugmentBaseDataVisitor.GetLargerValue(Object) invokes inefficient
new String(String) constructor
> Dm 	org.apache.pig.pen.AugmentBaseDataVisitor.GetSmallerValue(Object) invokes inefficient
new String(String) constructor
> Dm 	org.apache.pig.tools.cmdline.CmdLineParser.getNextOpt() invokes inefficient new String(String)
constructor
> Dm 	org.apache.pig.tools.parameters.PreprocessorContext.substitute(String) invokes inefficient
new String(String) constructor

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