Example usage for java.util Collection hashCode

Introduction

In this page you can find the example usage for java.util Collection hashCode.

Prototype

int hashCode();

Source Link

Document

Returns the hash code value for this collection.

Usage

From source file:org.dataconservancy.ui.api.CollectionController.java

String calculateEtag(Collection collection) {
    return ETagCalculator.calculate(String.valueOf(collection.hashCode()));
}

---

From source file:com.opengamma.engine.depgraph.ResolveTask.java

public ResolveTask(final ValueRequirement valueRequirement, final ResolveTask parent,
        final Collection<FunctionExclusionGroup> functionExclusion) {
    super(valueRequirement);
    final int hc;
    if (parent != null) {
        if (parent.getParentValueRequirements() != null) {
            _parentRequirements = new HashSet<ValueRequirement>(parent.getParentValueRequirements());
            _parentRequirements.add(parent.getValueRequirement());
        } else {/*from ww w .  j av a 2  s  .  c  o  m*/
            _parentRequirements = Collections.singleton(parent.getValueRequirement());
        }
        hc = valueRequirement.hashCode() * 31 + _parentRequirements.hashCode();
    } else {
        _parentRequirements = null;
        hc = valueRequirement.hashCode();
    }
    if (functionExclusion != null) {
        _functionExclusion = functionExclusion;
        _hashCode = hc * 31 + functionExclusion.hashCode();
    } else {
        _functionExclusion = null;
        _hashCode = hc;
    }
    _state = new GetFunctionsStep(this);
}

---