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8346142: [perf] scalability issue for the specjvm2008::xml.validation workload #2175

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8346142: [perf] scalability issue for the specjvm2008::xml.validation workload #2175

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40 changes: 23 additions & 17 deletions .../share/classes/com/sun/org/apache/xerces/internal/impl/xpath/regex/RegularExpression.java
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Original file line number Diff line number Diff line change
Expand Up @@ -704,11 +704,13 @@ public boolean matches(char[] target, Match match) {
*/
public boolean matches(char[] target, int start, int end, Match match) {

synchronized (this) {
if (this.operations == null)
this.prepare();
if (this.context == null)
this.context = new Context();
if (this.operations == null || this.context == null) {
synchronized (this) {
if (this.operations == null)
this.prepare();
if (this.context == null)
this.context = new Context();
}
}
Context con = null;
synchronized (this.context) {
Expand Down Expand Up @@ -889,11 +891,13 @@ public boolean matches(String target, Match match) {
*/
public boolean matches(String target, int start, int end, Match match) {

synchronized (this) {
if (this.operations == null)
this.prepare();
if (this.context == null)
this.context = new Context();
if (this.operations == null || this.context == null) {
synchronized (this) {
if (this.operations == null)
this.prepare();
if (this.context == null)
this.context = new Context();
}
}
Context con = null;
synchronized (this.context) {
Expand Down Expand Up @@ -1569,11 +1573,13 @@ public boolean matches(CharacterIterator target, Match match) {



synchronized (this) {
if (this.operations == null)
this.prepare();
if (this.context == null)
this.context = new Context();
if (this.operations == null || this.context == null) {
synchronized (this) {
if (this.operations == null)
this.prepare();
if (this.context == null)
this.context = new Context();
}
}
Context con = null;
synchronized (this.context) {
Expand Down Expand Up @@ -1738,9 +1744,9 @@ else if (this.firstChar != null) {
boolean hasBackReferences = false;

transient int minlength;
transient Op operations = null;
transient volatile Op operations = null;
transient int numberOfClosures;
transient Context context = null;
transient volatile Context context = null;
transient RangeToken firstChar = null;

transient String fixedString = null;
Expand Down