xapi.collect.api.CollectionOptions Maven / Gradle / Ivy

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Everything needed to run a comprehensive dev environment. Just type X_ and pick a service from autocomplete; new dev modules will be added as they are built. The only dev service not included in the uber jar is xapi-dev-maven, as it includes all runtime dependencies of maven, adding ~4 seconds to build time, and 6 megabytes to the final output jar size (without xapi-dev-maven, it's ~1MB).

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package xapi.collect.api;

import xapi.util.X_Runtime;

public final class CollectionOptions {

  private final boolean concurrent;
  private final boolean forbidsDuplicate;
  private final boolean insertionOrdered;
  private final boolean mutable;

  private CollectionOptions(boolean concurrent, boolean forbidsDuplicate,
    boolean insertionOrdered, boolean mutable) {
    this.concurrent = concurrent;
    this.forbidsDuplicate = forbidsDuplicate;
    this.insertionOrdered = insertionOrdered;
    this.mutable = mutable;
  }

  public boolean concurrent() {
    return concurrent;
  }

  public boolean forbidsDuplicate() {
    return forbidsDuplicate;
  }

  public boolean insertionOrdered() {
    return insertionOrdered;
  }

  public boolean mutable() {
    return mutable;
  }

  public static final class Builder {

    boolean concurrent;
    boolean insertionOrdered;
    boolean forbidsDuplicate;
    boolean mutable;

    public Builder() {
      concurrent = X_Runtime.isMultithreaded();
    }

    public Builder concurrent(boolean concurrent) {
      this.concurrent = concurrent;
      return this;
    }

    public Builder forbidsDuplicate(boolean forbidsDuplicate) {
      this.forbidsDuplicate = forbidsDuplicate;
      return this;
    }

    public Builder insertionOrdered(boolean insertionOrdered) {
      this.insertionOrdered = insertionOrdered;
      return this;
    }

    public Builder mutable(boolean mutable) {
      this.mutable = mutable;
      return this;
    }

    public CollectionOptions build() {
      return new CollectionOptions(
        concurrent, forbidsDuplicate, insertionOrdered, mutable);
    }
  }

  public static Builder asConcurrent(boolean concurrent) {
    return new Builder().concurrent(concurrent);
  }

  public static Builder asImmutableList() {
    return new Builder().insertionOrdered(true);
  }

  public static Builder asImmutableSet() {
    return new Builder().forbidsDuplicate(true);
  }

  public static Builder asMutableList() {
    return new Builder().insertionOrdered(true).mutable(true);
  }

  public static Builder asMutableSet() {
    return new Builder().forbidsDuplicate(true).mutable(true);
  }

  public static Builder asMutable(boolean mutable) {
    return new Builder().mutable(mutable);
  }

}