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org.jvnet.jaxb2_commons.lang.DefaultHashCodeStrategy Maven / Gradle / Ivy
package org.jvnet.jaxb2_commons.lang;
import static org.jvnet.jaxb2_commons.locator.util.LocatorUtils.item;
import org.jvnet.jaxb2_commons.locator.ObjectLocator;
@SuppressWarnings("deprecation")
public class DefaultHashCodeStrategy implements HashCodeStrategy2, HashCodeStrategy {
private int iConstant;
public DefaultHashCodeStrategy() {
this.iConstant = 37;
}
public DefaultHashCodeStrategy(int multiplierNonZeroOddNumber) {
if (multiplierNonZeroOddNumber == 0) {
throw new IllegalArgumentException("HashCodeStrategy requires a non zero multiplier.");
}
if (multiplierNonZeroOddNumber % 2 == 0) {
throw new IllegalArgumentException("HashCodeStrategy requires an odd multiplier.");
}
this.iConstant = multiplierNonZeroOddNumber;
}
public int hashCode(ObjectLocator locator, int hashCode, Object object) {
if (object == null) {
return hashCode * iConstant;
} else {
if (object.getClass().isArray() == false) {
return hashCodeInternal(locator, hashCode, object);
} else {
// 'Switch' on type of array, to dispatch to the correct handler
// This handles multi dimensional arrays
if (object instanceof long[]) {
return hashCode(locator, hashCode, (long[]) object);
} else if (object instanceof int[]) {
return hashCode(locator, hashCode, (int[]) object);
} else if (object instanceof short[]) {
return hashCode(locator, hashCode, (short[]) object);
} else if (object instanceof char[]) {
return hashCode(locator, hashCode, (char[]) object);
} else if (object instanceof byte[]) {
return hashCode(locator, hashCode, (byte[]) object);
} else if (object instanceof double[]) {
return hashCode(locator, hashCode, (double[]) object);
} else if (object instanceof float[]) {
return hashCode(locator, hashCode, (float[]) object);
} else if (object instanceof boolean[]) {
return hashCode(locator, hashCode, (boolean[]) object);
} else if (object instanceof HashCode2[]) {
return hashCodeInternal(locator, hashCode, (HashCode2[]) object);
} else if (object instanceof HashCode[]) {
return hashCodeInternal(locator, hashCode, (HashCode[]) object);
} else if (object instanceof Enum[]) {
return hashCodeInternal(locator, hashCode, (Enum[]) object);
} else {
// Not an array of primitives
return hashCode(locator, hashCode, (Object[]) object);
}
}
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, Object value) {
if (value == null) {
return hashCode * iConstant;
} else if (value instanceof HashCode2) {
return hashCodeInternal(locator, hashCode, (HashCode2) value);
} else if (value instanceof HashCode) {
return hashCodeInternal(locator, hashCode, (HashCode) value);
} else if (value instanceof Enum) {
return hashCodeInternal(locator, hashCode, (Enum) value);
} else {
return hashCode * iConstant + value.hashCode();
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, Enum value) {
if (value == null) {
return hashCode * iConstant;
} else if (value instanceof HashCode2) {
return hashCodeInternal(locator, hashCode, (HashCode2) value);
} else if (value instanceof HashCode) {
return hashCodeInternal(locator, hashCode, (HashCode) value);
} else {
return hashCode * iConstant + value.hashCode();
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, HashCode2 object) {
if (object == null) {
return hashCode * iConstant;
} else {
return hashCode * iConstant + object.hashCode(locator, this);
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, HashCode object) {
if (object == null) {
return hashCode * iConstant;
} else {
return hashCode * iConstant + object.hashCode(locator, this);
}
}
public int hashCode(ObjectLocator locator, int hashCode, Object[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode * iConstant + 1;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, Enum[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode * iConstant + 1;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCodeInternal(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, HashCode2[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode * iConstant + 1;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCodeInternal(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
protected int hashCodeInternal(ObjectLocator locator, int hashCode, HashCode[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode * iConstant + 1;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCodeInternal(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, boolean value) {
return hashCode * iConstant + (value ? 0 : 1);
}
public int hashCode(ObjectLocator locator, int hashCode, byte value) {
return hashCode * iConstant + value;
}
public int hashCode(ObjectLocator locator, int hashCode, char value) {
return hashCode * iConstant + value;
}
public int hashCode(ObjectLocator locator, int hashCode, double value) {
return hashCode(locator, hashCode, Double.doubleToLongBits(value));
}
public int hashCode(ObjectLocator locator, int hashCode, float value) {
return hashCode(locator, hashCode, Float.floatToIntBits(value));
}
public int hashCode(ObjectLocator locator, int hashCode, int value) {
return hashCode * iConstant + value;
}
public int hashCode(ObjectLocator locator, int hashCode, long value) {
return hashCode * iConstant + ((int) (value ^ (value >> 32)));
}
public int hashCode(ObjectLocator locator, int hashCode, short value) {
return hashCode * iConstant + value;
}
public int hashCode(ObjectLocator locator, int hashCode, boolean[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, byte[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, char[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, double[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, float[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, int[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, long[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
public int hashCode(ObjectLocator locator, int hashCode, short[] value) {
if (value == null) {
return hashCode * iConstant;
} else {
int currentHashCode = hashCode;
for (int i = 0; i < value.length; i++) {
currentHashCode = hashCode(item(locator, i, value[i]), currentHashCode, value[i]);
}
return currentHashCode;
}
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, boolean value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, byte value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, char value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, double value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, float value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, int value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, long value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, short value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, Object value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, boolean[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, byte[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, char[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, double[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, float[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, int[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, long[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, short[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
@Override
public int hashCode(ObjectLocator locator, int hashCode, Object[] value, boolean valueSet) {
return valueSet ? hashCode(locator, hashCode * iConstant, value) : (hashCode * iConstant + 1);
}
public static final DefaultHashCodeStrategy INSTANCE2 = new DefaultHashCodeStrategy();
public static final HashCodeStrategy INSTANCE = INSTANCE2;
public static DefaultHashCodeStrategy getInstance() {
return INSTANCE2;
}
}
