diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/IntReference.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/IntReference.java | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/IntReference.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/IntReference.java deleted file mode 100644 index f3bf9df0d1..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/IntReference.java +++ /dev/null @@ -1,297 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 2009 Oracle. All rights reserved. - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0, which accompanies this distribution - * and is available at http://www.eclipse.org/legal/epl-v10.html. - * - * Contributors: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.internal; - -import java.io.Serializable; - -/** - * This class can be used wherever a mutable integer object is needed. - * It is a cross between an <code>int</code> and an {@link Integer}. - * It can be stored in a standard container (e.g. {@link java.util.Collection}) - * but can be modified. It is also useful passing a value that can be changed - * by the recipient. - * - * @see SynchronizedInt - */ -public final class IntReference - implements Comparable<IntReference>, Cloneable, Serializable -{ - /** Backing <code>int</code>. */ - private volatile int value = 0; - - private static final long serialVersionUID = 1L; - - - // ********** constructors ********** - - /** - * Construct a <code>int</code> reference with the specified initial value. - */ - public IntReference(int count) { - super(); - this.value = count; - } - - /** - * Construct a <code>int</code> reference with an initial value of zero. - */ - public IntReference() { - this(0); - } - - - // ********** methods ********** - - /** - * Return the current value. - */ - public int getValue() { - return this.value; - } - - /** - * Return whether the current value is equal to the specified value. - */ - public boolean equals(int v) { - return this.value == v; - } - - /** - * Return whether the current value is not equal to the specified value. - */ - public boolean notEquals(int v) { - return this.value != v; - } - - /** - * Return whether the current value is zero. - */ - public boolean isZero() { - return this.value == 0; - } - - /** - * Return whether the current value is not zero. - */ - public boolean isNotZero() { - return this.value != 0; - } - - /** - * Return whether the current value is greater than the specified value. - */ - public boolean isGreaterThan(int v) { - return this.value > v; - } - - /** - * Return whether the current value is greater than or equal to the - * specified value. - */ - public boolean isGreaterThanOrEqual(int v) { - return this.value >= v; - } - - /** - * Return whether the current value is less than the specified value. - */ - public boolean isLessThan(int v) { - return this.value < v; - } - - /** - * Return whether the current value is less than or equal to the - * specified value. - */ - public boolean isLessThanOrEqual(int v) { - return this.value <= v; - } - - /** - * Return whether the current value is positive. - */ - public boolean isPositive() { - return this.isGreaterThan(0); - } - - /** - * Return whether the current value is not positive - * (i.e. negative or zero). - */ - public boolean isNotPositive() { - return this.isLessThanOrEqual(0); - } - - /** - * Return whether the current value is negative. - */ - public boolean isNegative() { - return this.isLessThan(0); - } - - /** - * Return whether the current value is not negative - * (i.e. zero or positive). - */ - public boolean isNotNegative() { - return this.isGreaterThanOrEqual(0); - } - - /** - * Set the value. If the value changes, all waiting - * threads are notified. Return the previous value. - */ - public int setValue(int value) { - int old = this.value; - this.value = value; - return old; - } - - /** - * Set the value to the absolute value of the current value. - * Return the new value. - */ - public int abs() { - return this.value = Math.abs(this.value); - } - - /** - * Set the value to the negative value of the current value. - * Return the new value. - */ - public int neg() { - return this.value = -this.value; - } - - /** - * Set the value to zero. If the value changes, all waiting - * threads are notified. Return the previous value. - */ - public int setZero() { - return this.setValue(0); - } - - /** - * Set the value to the current value plus the specified value. - * Return the new value. - */ - public int add(int v) { - return this.value += v; - } - - /** - * Increment and return the value. - */ - public int increment() { - return ++this.value; - } - - /** - * Set the value to the current value minus the specified value. - * Return the new value. - */ - public int subtract(int v) { - return this.value -= v; - } - - /** - * Decrement and return the value. - */ - public int decrement() { - return --this.value; - } - - /** - * Set the value to the current value times the specified value. - * Return the new value. - */ - public int multiply(int v) { - return this.value *= v; - } - - /** - * Set the value to the current value divided by the specified value. - * Return the new value. - */ - public int divide(int v) { - return this.value /= v; - } - - /** - * Set the value to the remainder of the current value divided by the - * specified value. - * Return the new value. - */ - public int remainder(int v) { - return this.value %= v; - } - - /** - * Set the value to the minimum of the current value and the specified value. - * Return the new value. - */ - public int min(int v) { - return this.value = Math.min(this.value, v); - } - - /** - * Set the value to the maximum of the current value and the specified value. - * Return the new value. - */ - public int max(int v) { - return this.value = Math.max(this.value, v); - } - - /** - * Set the value to the current value raised to the power of the' - * specified value. - * Return the new value. - */ - public int pow(int v) { - return this.value = (int) Math.pow(this.value, v); - } - - - // ********** Comparable implementation ********** - - public int compareTo(IntReference ir) { - int v = ir.getValue(); - return this.value < v ? -1 : (this.value == v ? 0 : 1); - } - - - // ********** standard methods ********** - - @Override - public Object clone() { - try { - return super.clone(); - } catch (CloneNotSupportedException ex) { - throw new InternalError(); - } - } - - @Override - public boolean equals(Object o) { - return (o instanceof IntReference) && - (this.value == ((IntReference) o).value); - } - - @Override - public int hashCode() { - return this.value; - } - - @Override - public String toString() { - return '[' + String.valueOf(this.value) + ']'; - } - -} |