com.sun.marlin.DPQSSorterContext Maven / Gradle / Ivy
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package com.sun.marlin;
/**
* DPQS Sorter context
*/
final class DPQSSorterContext {
static final boolean LOG_ALLOC = false;
static final boolean CHECK_ALLOC = false && LOG_ALLOC;
/**
* Max capacity of the index array for tracking runs.
*/
static final int MAX_RUN_CAPACITY = DualPivotQuicksort20191112Ext.MAX_RUN_CAPACITY;
/* members */
final int[] run;
int[] auxA;
int[] auxB;
boolean runInit;
DPQSSorterContext() {
// preallocate max runs:
if (LOG_ALLOC) {
MarlinUtils.logInfo("alloc run: " + MAX_RUN_CAPACITY);
}
run = new int[MAX_RUN_CAPACITY];
}
void initBuffers(final int length, final int[] a, final int[] b) {
auxA = a;
if (CHECK_ALLOC && (a.length < length)) {
if (LOG_ALLOC) {
MarlinUtils.logInfo("alloc auxA: " + length);
}
auxA = new int[length];
}
auxB = b;
if (CHECK_ALLOC && (b.length < length)) {
if (LOG_ALLOC) {
MarlinUtils.logInfo("alloc auxB: " + length);
}
auxB = new int[length];
}
runInit = true;
}
}